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PPTP-Setup "Connection established" in netstat, but then times out

May 8, 2017, 11:58 am
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Hello guys,

I am currently trying to set up a pptp-vpn. I followed step 1-4 on this tutorial.
When I am trying to connect to the vpn-server using my windows 10 laptop I am timing out.
I checked the netstat before connecting using "netstat -alpn | gre :1723" and got 1 entry
Code:
tcp        0      0 0.0.0.0:1723            0.0.0.0:*              LISTEN      7537/pptpd
after connecting there are 2
Code:
tcp        0      0 0.0.0.0:1723            0.0.0.0:*              LISTEN      7537/pptpd

tcp        0      0 85.214.XX.XXX:1723      46.223.XX.XXX:47514      ESTABLISHED 7581/pptpd [46.223.
The state of the second entry will switch to "TIME_WAIT" after a few moments.

What am I doing wrong?


Greetings
Simon Schulte | Neokil
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[xubuntu] Wifi doesn't work with 17.04 upgrade

May 7, 2017, 8:46 pm
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Hi all,
Xubuntu 16.10 was running well on my laptop. When I upgraded to Xubuntu 17.04 the wifi didn't work. My laptop has Realtek. The wifi progress wheel just kept circling without stopping. So I restored my disk back to 16.10. Any suggestions on getting the wifi to work in 17.04? Thanks.
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BIND9 on Xenial 16.04

May 8, 2017, 7:55 am
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Hey,

We just had a Nessus scan and it appears our version of Bind9 has vulnerabilities, the usual apt-get update/upgrade/dist-upgrade doesn't find any update from current version shown below, you can manually download the latest or fixed versions but I have no idea how to manually upgrade without screwing up all the current configuration, I was hoping you could just update the sources.list and do an update but I can't find anything online :(

I upgraded from an old Vivd 14.04 (still have snapshot of that build if it helps) to 15.10 then Xenial 16.04 hoping it would sort it but again the version it moved up to still has these vulnerabilities, any help would be appreciated!

Installed version : 9.10.3-P4-Ubuntu
Fixed version : 9.9.9-P5 / 9.9.9-S7 / 9.10.4-P5 / 9.11.0-P2

Thanks!
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[ubuntu] Ubuntu samba server 16.04.02 thrashing Raspberry Pi

May 8, 2017, 4:03 pm
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Hi, This one has got me foxed. I have a Ubuntu Server 16.04.02 running Samba. Separately I have a Raspberry Pi 2 running Jessie Lite. Recently I noticed there was a lot of network activity, and long story short I discovered that the Samba server is launching loads of what appears to be port scans at the Pi, only the Pi, nothing else on the network. Here is a sample from the Pi running tcpdump -

22:19:11.365714 IP goliath.microsoft-ds > 192.168.1.101.47254: Flags [.], ack 43, win 227, options [nop,nop,TS val 1157820 ecr 18708376], length 0
22:19:11.370514 IP goliath.microsoft-ds > 192.168.1.101.47254: Flags [F.], seq 1, ack 43, win 227, options [nop,nop,TS val 1157821 ecr 18708376], length 0
22:19:11.370785 IP 192.168.1.101.47254 > goliath.microsoft-ds: Flags [F.], seq 43, ack 2, win 229, options [nop,nop,TS val 18708377 ecr 1157821], length 0
22:19:11.371112 IP 192.168.1.101.47256 > goliath.microsoft-ds: Flags [S], seq 2414012073, win 29200, options [mss 1460,sackOK,TS val 18708377 ecr 0,nop,wscale 7], length 0
22:19:11.371403 IP goliath.microsoft-ds > 192.168.1.101.47254: Flags [.], ack 44, win 227, options [nop,nop,TS val 1157821 ecr 18708377], length 0
22:19:11.371737 IP goliath.microsoft-ds > 192.168.1.101.47256: Flags [S.], seq 3876534122, ack 2414012074, win 28960, options [mss 1460,sackOK,TS val 1157821 ecr 18708377,nop,wscale 7], length 0
22:19:11.372057 IP 192.168.1.101.47256 > goliath.microsoft-ds: Flags [.], ack 1, win 229, options [nop,nop,TS val 18708377 ecr 1157821], length 0
22:19:11.372386 IP 192.168.1.101.47256 > goliath.microsoft-ds: Flags [P.], seq 1:43, ack 1, win 229, options [nop,nop,TS val 18708377 ecr 1157821], length 42 SMB PACKET: SMBecho (REQUEST)

I ran netstat on the server and got a whole load of this -

tcp 0 0 192.168.1.5:445 192.168.1.101:52328 TIME_WAIT timewait (44.08/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:49224 TIME_WAIT timewait (34.47/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:55974 TIME_WAIT timewait (55.32/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:50008 TIME_WAIT timewait (36.89/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:51368 TIME_WAIT timewait (41.12/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:40492 TIME_WAIT timewait (7.48/0/0)
tcp 0 0 192.168.1.5:445 192.168.1.101:43446 TIME_WAIT timewait (16.62/0/0)

If I stop Samba on the server with a "sudo service smbd stop" then the network goes quiet, so its definitely the problem.

Has anyone any idea what is causing this and what I need to do to stop it?

Many thanks, Dave
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[SOLVED] Dual Booted Ubuntu 16.04 Not connecting to my home WiFi Router

May 8, 2017, 4:33 pm
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I dual booted Ubuntu 16.04.2 with my Windows 10 few days back. Nothing went wrong until yesterday when after keeping Ubuntu idle (but running) for a long time, I could no longer connect to my home WiFi connection. I tried
Code:
sudo service network-manager restart
,
Code:
sudo systemctl restart NetworkManager
,
Code:
rfkill list
and few other commands to find out the issue but couldn't. I can connect to my mobile's hotspot and other networks.

Wireless info script output: https://pastebin.com/27FJ85vD
AYUSH is the name of my home router which I can't connect to!

Thank you.
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[ubuntu] Lenovo ideapad wifi dropping 16.04.2

May 8, 2017, 4:57 pm
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I reformatted windows and installed 16.0.4.2. Wifi work but drops intermittently.
I updated the drivers following https://github.com/lwfinger/rtlwifi_new
I still get intermittant loss of internet connectivity

Code:


########## wireless info START ##########


Report from: 08 May 2017 19:40 EDT -0400


Booted last: 08 May 2017 00:00 EDT -0400


Script from: 25 Mar 2017 07:04 UTC +0000


##### release ###########################


Distributor ID:    Ubuntu
Description:    Ubuntu 16.04.2 LTS
Release:    16.04
Codename:    xenial


##### kernel ############################


Linux 4.8.0-51-generic #54~16.04.1-Ubuntu SMP Wed Apr 26 16:00:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux


Parameters: ro, quiet, splash, vt.handoff=7


##### desktop ###########################


Ubuntu


##### lspci #############################


01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
    Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
    Kernel driver in use: rtl8821ae


02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
    Subsystem: Lenovo RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [17aa:381e]
    Kernel driver in use: r8169


##### lsusb #############################


Bus 002 Device 004: ID 5986:06b3 Acer, Inc
Bus 002 Device 003: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


##### PCMCIA card info ##################


##### rfkill ############################


0: ideapad_wlan: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: ideapad_bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: no
2: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
3: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no


##### lsmod #############################


wl                  6447104  0
rtl8821ae            229376  0
btcoexist            167936  1 rtl8821ae
rtl_pci                32768  1 rtl8821ae
rtlwifi              102400  3 rtl_pci,btcoexist,rtl8821ae
mac80211              761856  3 rtl_pci,rtlwifi,rtl8821ae
cfg80211              581632  3 wl,mac80211,rtlwifi
ideapad_laptop        24576  0
sparse_keymap          16384  1 ideapad_laptop
wmi                    16384  1 ideapad_laptop
video                  40960  1 ideapad_laptop


##### interfaces ########################


auto lo
iface lo inet loopback


##### ifconfig ##########################


docker0  Link encap:Ethernet  HWaddr <MAC 'docker0' [IF1]> 
          inet addr:172.17.0.1  Bcast:0.0.0.0  Mask:255.255.0.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


enp2s0    Link encap:Ethernet  HWaddr <MAC 'enp2s0' [IF2]> 
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:9174 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7831 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:6686094 (6.6 MB)  TX bytes:1336149 (1.3 MB)


lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:4222 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4222 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:327379 (327.3 KB)  TX bytes:327379 (327.3 KB)


wlp1s0    Link encap:Ethernet  HWaddr <MAC 'wlp1s0' [IF3]> 
          inet addr:192.168.1.31  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::<IP6 'wlp1s0' [IF3]>/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:30682 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17933 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:28381958 (28.3 MB)  TX bytes:2957278 (2.9 MB)


##### iwconfig ##########################


enp2s0    no wireless extensions.


docker0  no wireless extensions.


lo        no wireless extensions.


wlp1s0    IEEE 802.11  ESSID:"Ramnet" 
          Mode:Managed  Frequency:2.427 GHz  Access Point: <MAC 'Ramnet' [AN8]> 
          Bit Rate=150 Mb/s  Tx-Power=20 dBm 
          Retry short limit:7  RTS thr=2347 B  Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=-32 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:1  Missed beacon:0


##### route #############################


Kernel IP routing table
Destination    Gateway        Genmask        Flags Metric Ref    Use Iface
0.0.0.0        192.168.1.1    0.0.0.0        UG    600    0        0 wlp1s0
169.254.0.0    0.0.0.0        255.255.0.0    U    1000  0        0 docker0
172.17.0.0      0.0.0.0        255.255.0.0    U    0      0        0 docker0
192.168.1.0    0.0.0.0        255.255.255.0  U    600    0        0 wlp1s0


##### resolv.conf #######################


nameserver 127.0.1.1
search home


##### network managers ##################


Installed:


    NetworkManager


Running:


root      951    1  0 19:07 ?        00:00:12 /usr/sbin/NetworkManager --no-daemon


##### NetworkManager info ###############


GENERAL.DEVICE:                        docker0
GENERAL.TYPE:                          bridge
GENERAL.NM-TYPE:                        NMDeviceBridge
GENERAL.VENDOR:                       
GENERAL.PRODUCT:                       
GENERAL.DRIVER:                        bridge
GENERAL.DRIVER-VERSION:                2.3
GENERAL.FIRMWARE-VERSION:              N/A
GENERAL.HWADDR:                        <MAC 'docker0' [IF1]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                        0 (No reason given)
GENERAL.UDI:                            /sys/devices/virtual/net/docker0
GENERAL.IP-IFACE:                      docker0
GENERAL.IS-SOFTWARE:                    yes
GENERAL.NM-MANAGED:                    yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:              no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                  --
GENERAL.CONNECTION:                    docker0
GENERAL.CON-UUID:                      eed60d81-ffdb-4992-827d-5ac7792070c1
GENERAL.CON-PATH:                      /org/freedesktop/NetworkManager/ActiveConnection/1
GENERAL.METERED:                        no (guessed)
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                    unknown
CAPABILITIES.IS-SOFTWARE:              yes
BRIDGE.SLAVES:                         
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{3}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:  eed60d81-ffdb-4992-827d-5ac7792070c1 | docker0
IP4.ADDRESS[1]:                        172.17.0.1/16
IP4.GATEWAY:                           
IP4.ROUTE[1]:                          dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP6.GATEWAY:                           


GENERAL.DEVICE:                        wlp1s0
GENERAL.TYPE:                          wifi
GENERAL.NM-TYPE:                        NMDeviceWifi
GENERAL.VENDOR:                        Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8821AE 802.11ac PCIe Wireless Network Adapter
GENERAL.DRIVER:                        rtl8821ae
GENERAL.DRIVER-VERSION:                4.8.0-51-generic
GENERAL.FIRMWARE-VERSION:              N/A
GENERAL.HWADDR:                        <MAC 'wlp1s0' [IF3]>
GENERAL.MTU:                            0
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                        0 (No reason given)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.3/0000:01:00.0/net/wlp1s0
GENERAL.IP-IFACE:                      wlp1s0
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                    yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:              no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                  --
GENERAL.CONNECTION:                    Ramnet
GENERAL.CON-UUID:                      61137618-eaee-4307-8736-6ab29e0480d6
GENERAL.CON-PATH:                      /org/freedesktop/NetworkManager/ActiveConnection/4
GENERAL.METERED:                        no (guessed)
CAPABILITIES.CARRIER-DETECT:            no
CAPABILITIES.SPEED:                    72 Mb/s
CAPABILITIES.IS-SOFTWARE:              no
WIFI-PROPERTIES.WEP:                    yes
WIFI-PROPERTIES.WPA:                    yes
WIFI-PROPERTIES.WPA2:                  yes
WIFI-PROPERTIES.TKIP:                  yes
WIFI-PROPERTIES.CCMP:                  yes
WIFI-PROPERTIES.AP:                    yes
WIFI-PROPERTIES.ADHOC:                  yes
WIFI-PROPERTIES.2GHZ:                  yes
WIFI-PROPERTIES.5GHZ:                  yes
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1,0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:  61137618-eaee-4307-8736-6ab29e0480d6 | Ramnet
CONNECTIONS.AVAILABLE-CONNECTIONS[2]:  bf711bb7-863c-4463-8e09-e9f8c54fe6e9 | Ramnet01
IP4.ADDRESS[1]:                        192.168.1.31/24
IP4.GATEWAY:                            192.168.1.1
IP4.DNS[1]:                            192.168.1.1
IP4.DOMAIN[1]:                          home
DHCP4.OPTION[1]:                        requested_routers = 1
DHCP4.OPTION[2]:                        requested_domain_search = 1
DHCP4.OPTION[3]:                        time_offset = 0
DHCP4.OPTION[4]:                        requested_time_offset = 1
DHCP4.OPTION[5]:                        requested_domain_name = 1
DHCP4.OPTION[6]:                        requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[7]:                        requested_broadcast_address = 1
DHCP4.OPTION[8]:                        host_name = linuxmobile
DHCP4.OPTION[9]:                        requested_wpad = 1
DHCP4.OPTION[10]:                      requested_netbios_scope = 1
DHCP4.OPTION[11]:                      next_server = 192.168.1.1
DHCP4.OPTION[12]:                      expiry = 1494372856
DHCP4.OPTION[13]:                      requested_interface_mtu = 1
DHCP4.OPTION[14]:                      requested_subnet_mask = 1
DHCP4.OPTION[15]:                      routers = 192.168.1.1
DHCP4.OPTION[16]:                      dhcp_message_type = 5
DHCP4.OPTION[17]:                      ip_address = 192.168.1.31
DHCP4.OPTION[18]:                      requested_static_routes = 1
DHCP4.OPTION[19]:                      domain_name = home
DHCP4.OPTION[20]:                      requested_domain_name_servers = 1
DHCP4.OPTION[21]:                      broadcast_address = 192.168.1.255
DHCP4.OPTION[22]:                      requested_ntp_servers = 1
DHCP4.OPTION[23]:                      requested_netbios_name_servers = 1
DHCP4.OPTION[24]:                      dhcp_lease_time = 86400
DHCP4.OPTION[25]:                      domain_name_servers = 192.168.1.1
DHCP4.OPTION[26]:                      requested_ms_classless_static_routes = 1
DHCP4.OPTION[27]:                      subnet_mask = 255.255.255.0
DHCP4.OPTION[28]:                      network_number = 192.168.1.0
DHCP4.OPTION[29]:                      requested_host_name = 1
DHCP4.OPTION[30]:                      dhcp_server_identifier = 192.168.1.1
IP6.ADDRESS[1]:                        fe80::<IP6 'wlp1s0' [IF3]>/64
IP6.GATEWAY:                           


GENERAL.DEVICE:                        enp2s0
GENERAL.TYPE:                          ethernet
GENERAL.NM-TYPE:                        NMDeviceEthernet
GENERAL.VENDOR:                        Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
GENERAL.DRIVER:                        r8169
GENERAL.DRIVER-VERSION:                2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:             
GENERAL.HWADDR:                        <MAC 'enp2s0' [IF2]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          20 (unavailable)
GENERAL.REASON:                        40 (Carrier/link changed)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.4/0000:02:00.0/net/enp2s0
GENERAL.IP-IFACE:                     
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                    yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:              no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                  --
GENERAL.CONNECTION:                    --
GENERAL.CON-UUID:                      --
GENERAL.CON-PATH:                      --
GENERAL.METERED:                        unknown
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                    100 Mb/s
CAPABILITIES.IS-SOFTWARE:              no
WIRED-PROPERTIES.CARRIER:              off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:


SSID                BSSID              MODE  CHAN  FREQ      RATE      SIGNAL  BARS  SECURITY          ACTIVE  *
--                  <MAC '--' [AN1]>  Infra  4    2427 MHz  54 Mbit/s  100    ▂▄▆█  WPA2              no       
--                  <MAC '--' [AN2]>  Infra  11    2462 MHz  54 Mbit/s  100    ▂▄▆█  --                no       
--                  <MAC '--' [AN3]>  Infra  11    2462 MHz  54 Mbit/s  100    ▂▄▆█  WPA1 WPA2 802.1X  no       
--                  <MAC '--' [AN4]>  Infra  11    2462 MHz  54 Mbit/s  100    ▂▄▆█  WPA1 WPA2        no       
--                  <MAC '--' [AN5]>  Infra  4    2427 MHz  54 Mbit/s  99      ▂▄▆█  WPA2              no       
xfinitywifi          <MAC 'xfinitywifi' [AN6]>  Infra  11    2462 MHz  54 Mbit/s  97      ▂▄▆█  --                no       
Peace.Net            <MAC 'Peace.Net' [AN7]>  Infra  11    2462 MHz  54 Mbit/s  97      ▂▄▆█  WPA1 WPA2        no       
Ramnet              <MAC 'Ramnet' [AN8]>  Infra  4    2427 MHz  54 Mbit/s  86      ▂▄▆█  WPA2              yes    *
Ramnet01            <MAC 'Ramnet01' [AN9]>  Infra  36    5180 MHz  54 Mbit/s  82      ▂▄▆█  WPA2              no       
KVK83                <MAC 'KVK83' [AN10]>  Infra  6    2437 MHz  54 Mbit/s  80      ▂▄▆_  WEP              no       
--                  <MAC '--' [AN11]>  Infra  11    2462 MHz  54 Mbit/s  79      ▂▄▆_  WPA2              no       
The Lloyd Family    <MAC 'The Lloyd Family' [AN12]>  Infra  11    2462 MHz  54 Mbit/s  77      ▂▄▆_  WPA2              no       
ngHub_319442NR00518  <MAC 'ngHub_319442NR00518' [AN13]>  Infra  11    2462 MHz  54 Mbit/s  74      ▂▄▆_  WPA2              no       
FiOS-0AQBU          <MAC 'FiOS-0AQBU' [AN14]>  Infra  1    2412 MHz  54 Mbit/s  67      ▂▄▆_  WPA2              no       
xfinitywifi          <MAC 'xfinitywifi' [AN15]>  Infra  1    2412 MHz  54 Mbit/s  60      ▂▄▆_  --                no       
HOME-155F-2.4        <MAC 'HOME-155F-2.4' [AN16]>  Infra  1    2412 MHz  54 Mbit/s  60      ▂▄▆_  WPA1 WPA2        no       
HOME-C566-2.4        <MAC 'HOME-C566-2.4' [AN17]>  Infra  6    2437 MHz  54 Mbit/s  44      ▂▄__  WPA1 WPA2        no       
--                  <MAC '--' [AN18]>  Infra  132  5660 MHz  54 Mbit/s  30      ▂___  WPA2              no       
The Lloyd Family    <MAC 'The Lloyd Family' [AN19]>  Infra  132  5660 MHz  54 Mbit/s  29      ▂___  WPA2              no       


##### NetworkManager.state ##############


[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true


##### NetworkManager.conf ###############


[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq


[ifupdown]
managed=false


##### NetworkManager profiles ###########


[[/etc/NetworkManager/system-connections/Ramnet]] (600 root)
[connection] id=Ramnet | type=wifi | permissions=user:jramsey:;
[wifi] mac-address=<MAC 'wlp1s0' [IF3]> | mac-address-blacklist= | ssid=Ramnet
[ipv4] method=auto
[ipv6] method=ignore


[[/etc/NetworkManager/system-connections/Ramnet01]] (600 root)
[connection] id=Ramnet01 | type=wifi | permissions=
[wifi] mac-address=<MAC 'wlp1s0' [IF3]> | mac-address-blacklist= | ssid=Ramnet01
[ipv4] method=auto
[ipv6] method=ignore


##### iw reg get ########################


Region: America/New_York (based on set time zone)


country US: DFS-FCC
    (2402 - 2472 @ 40), (N/A, 30), (N/A)
    (5170 - 5250 @ 80), (N/A, 17), (N/A)
    (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS
    (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
    (5735 - 5835 @ 80), (N/A, 30), (N/A)
    (57240 - 63720 @ 2160), (N/A, 40), (N/A)


##### iwlist channels ###################


enp2s0    no frequency information.


docker0  no frequency information.


lo        no frequency information.


wlp1s0    32 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 36 : 5.18 GHz
          Channel 40 : 5.2 GHz
          Channel 44 : 5.22 GHz
          Channel 48 : 5.24 GHz
          Channel 52 : 5.26 GHz
          Channel 56 : 5.28 GHz
          Channel 60 : 5.3 GHz
          Channel 64 : 5.32 GHz
          Channel 100 : 5.5 GHz
          Channel 104 : 5.52 GHz
          Channel 108 : 5.54 GHz
          Channel 112 : 5.56 GHz
          Channel 116 : 5.58 GHz
          Channel 120 : 5.6 GHz
          Channel 124 : 5.62 GHz
          Channel 128 : 5.64 GHz
          Channel 132 : 5.66 GHz
          Channel 136 : 5.68 GHz
          Channel 140 : 5.7 GHz
          Channel 149 : 5.745 GHz
          Channel 153 : 5.765 GHz
          Current Frequency:2.427 GHz (Channel 4)


##### iwlist scan #######################


enp2s0    Interface doesn't support scanning.


docker0  Interface doesn't support scanning.


wlp1s0    Interface doesn't support scanning : Device or resource busy


lo        Interface doesn't support scanning.


##### module infos ######################


[wl]
filename:      /lib/modules/4.8.0-51-generic/updates/dkms/wl.ko
license:        MIXED/Proprietary
srcversion:    0ADAE750C888A523D63D8B5
depends:        cfg80211
vermagic:      4.8.0-51-generic SMP mod_unload modversions
parm:          passivemode:int
parm:          wl_txq_thresh:int
parm:          oneonly:int
parm:          piomode:int
parm:          instance_base:int
parm:          nompc:int
parm:          intf_name:string


[rtl8821ae]
filename:      /lib/modules/4.8.0-51-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/rtl8821ae.ko
firmware:      rtlwifi/rtl8821aefw_29.bin
firmware:      rtlwifi/rtl8821aefw.bin
description:    Realtek 8821ae 802.11ac PCI wireless
license:        GPL
author:        Realtek WlanFAE    <wlanfae@realtek.com>
srcversion:    6CA5F147BB6BDA3D20D84FF
depends:        rtlwifi,rtl_pci,btcoexist,mac80211
vermagic:      4.8.0-51-generic SMP mod_unload modversions
parm:          swenc:Set to 1 for software crypto (default 0)
 (bool)
parm:          ips:Set to 0 to not use link power save (default 1)
 (bool)
parm:          swlps:Set to 1 to use SW control power save (default 0)
 (bool)
parm:          fwlps:Set to 1 to use FW control power save (default 1)
 (bool)
parm:          msi:Set to 1 to use MSI interrupts mode (default 1)
 (bool)
parm:          debug:Set debug level (0-5) (default 0) (int)
parm:          disable_watchdog:Set to 1 to disable the watchdog (default 0)
 (bool)
parm:          int_clear:Set to 0 to disable interrupt clear before set (default 1)
 (bool)


[rtl_pci]
filename:      /lib/modules/4.8.0-51-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_pci.ko
description:    PCI basic driver for rtlwifi
license:        GPL
author:        Larry Finger    <Larry.FInger@lwfinger.net>
author:        Realtek WlanFAE    <wlanfae@realtek.com>
author:        lizhaoming    <chaoming_li@realsil.com.cn>
srcversion:    B833496EC3F52F9539F912E
depends:        mac80211,rtlwifi
vermagic:      4.8.0-51-generic SMP mod_unload modversions


[rtlwifi]
filename:      /lib/modules/4.8.0-51-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
description:    Realtek 802.11n PCI wireless core
license:        GPL
author:        Larry Finger    <Larry.FInger@lwfinger.net>
author:        Realtek WlanFAE    <wlanfae@realtek.com>
author:        lizhaoming    <chaoming_li@realsil.com.cn>
srcversion:    0BB42E4C7EBEC81FFE99621
depends:        mac80211,cfg80211
vermagic:      4.8.0-51-generic SMP mod_unload modversions


[mac80211]
filename:      /lib/modules/4.8.0-51-generic/kernel/net/mac80211/mac80211.ko
license:        GPL
description:    IEEE 802.11 subsystem
srcversion:    9AF49B72127065FCF655D6A
depends:        cfg80211
intree:        Y
vermagic:      4.8.0-51-generic SMP mod_unload modversions
parm:          minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
parm:          max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm:          max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm:          beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm:          probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm:          ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)


[cfg80211]
filename:      /lib/modules/4.8.0-51-generic/kernel/net/wireless/cfg80211.ko
description:    wireless configuration support
license:        GPL
author:        Johannes Berg
srcversion:    46F63B461AA5E38D042F531
depends:       
intree:        Y
vermagic:      4.8.0-51-generic SMP mod_unload modversions
parm:          bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm:          ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm:          cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)


##### module parameters #################


[rtl8821ae]
debug: 0
disable_watchdog: N
fwlps: N
int_clear: Y
ips: N
msi: Y
swenc: Y
swlps: N


[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500


[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00


##### /etc/modules ######################


##### modprobe options ##################


[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci


[/etc/modprobe.d/blacklist-bcm43.conf]
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma


[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac


[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off


[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211


[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en


[/etc/modprobe.d/rtl8821ae.conf]
options rtl8821ae swenc=1 ips=0 fwlps=0


##### rc.local ##########################


exit 0


##### pm-utils ##########################


##### udev rules ########################


##### dmesg #############################


[  16.166604] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000a lmp_ver=06 lmp_subver=8821
[  16.166608] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_fw.bin
[  16.516399] rtlwifi: loading out-of-tree module taints kernel.
[  16.516528] rtlwifi: module verification failed: signature and/or required key missing - tainting kernel
[  16.692935] rtl8821ae: Using firmware rtlwifi/rtl8821aefw_29.bin
[  16.692944] rtl8821ae: Using firmware rtlwifi/rtl8821aefw_wowlan.bin
[  16.700867] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[  16.701668] rtlwifi: rtlwifi: wireless switch is on
[  17.470923] wl: module license 'MIXED/Proprietary' taints kernel.
[  17.653457] rtl8821ae 0000:01:00.0 wlp1s0: renamed from wlan0
[  26.967110] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready (repeated 2 times)
[  27.259223] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[  28.853239] r8169 0000:02:00.0 enp2s0: link down
[  28.853329] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[  29.788701] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready
[  34.617475] IPv6: ADDRCONF(NETDEV_UP): docker0: link is not ready
[  36.030782] wlp1s0: authenticate with <MAC 'Ramnet01' [AN9]>
[  36.033556] wlp1s0: No basic rates, using min rate instead
[  36.033973] wlp1s0: send auth to <MAC 'Ramnet01' [AN9]> (try 1/3)
[  36.035515] wlp1s0: authenticated
[  36.040058] wlp1s0: associate with <MAC 'Ramnet01' [AN9]> (try 1/3)
[  36.041625] wlp1s0: RX AssocResp from <MAC 'Ramnet01' [AN9]> (capab=0x811 status=0 aid=1)
[  36.043192] wlp1s0: associated
[  36.043250] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready
[  108.204852] r8169 0000:02:00.0 enp2s0: link up
[  108.204875] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
[  156.857548] r8169 0000:02:00.0 enp2s0: link down
[  914.006589] r8169 0000:02:00.0 enp2s0: link up
[ 1526.989615] r8169 0000:02:00.0 enp2s0: link down
[ 1649.240385] wlp1s0: deauthenticating from <MAC 'Ramnet01' [AN9]> by local choice (Reason: 3=DEAUTH_LEAVING)
[ 1652.413935] wlp1s0: authenticate with <MAC 'Ramnet' [AN8]>
[ 1652.416935] wlp1s0: send auth to <MAC 'Ramnet' [AN8]> (try 1/3)
[ 1652.420404] wlp1s0: authenticated
[ 1652.424070] wlp1s0: associate with <MAC 'Ramnet' [AN8]> (try 1/3)
[ 1652.428794] wlp1s0: RX AssocResp from <MAC 'Ramnet' [AN8]> (capab=0xc11 status=0 aid=11)
[ 1652.431452] wlp1s0: associated


########## wireless info END ############

http://paste.ubuntu.com/24539715/
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Realtek rtl8188ee WIFI issues with 17.04

May 8, 2017, 6:19 pm
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My wifi is incredibly unstable. It works fine for the first few minutes and then it just hangs until I restart the connection by typing "sudo service network-manager restart" in the terminal.
I've tried all the updated drivers I could find including Freedom Ben's but the connection always seems to drop out intermittently. I've noticed that the problem is exacerbated when I'm trying to load large images/videos.
Attached Files
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[ubuntu] 17.04 iwlwifi: Microcode SW error detected. Restarting 0x2000000

May 8, 2017, 10:01 pm
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My wifi isn't working (I can connect to my router but internet doesn't work), the logs are full of errors about lwlwifi and a microcode sw error.

I was using ubuntu gnome and stock ubuntu 16.4 and 16.10 and everything was ok. Upgrading to 17.04 seems to have caused this error. Or so I thought.

I reverted back to 16.10 and after an update the same problem occured.

Is there any way to fix this? Or hw can I reprt a bug? I don't know what info is required.

I have seen lots of peoople in google talking about wifi issues in 17.04 but none of the "fixes" fixed my problem. The only solution that works is install ubuntu 16.10 as installed by my laptop provider and turn off all updates - I doN't want to do this
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Search

Unable to open .pem certificate

May 9, 2017, 2:25 am
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It seems that this old problem with Network-Manager Open dialog still exists. Even sever years it is still not fixed, we should file a new bug.
I am on Network Manager 1.2.6-0ubuntu0.16.04.1. Can somebody confirm that?
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[UbuntuGnome] Wireless speeds aren't hitting the max I should be getting

May 9, 2017, 4:11 am
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Hi

I've installed Ubuntu Gnome 17.04 and it had detected my wireless card out of the box, the card in question is

Network controller: Broadcom Limited BCM43602 802.11ac Wireless LAN SoC (rev 01)

The issue I'm facing is that my wireless speeds can go up to 220 Mbps but I'm only getting around 60 Mpbs with the card - is there anything that I need to do to fix this?

I've attached my "wireless-info" data to the post, is there anyone that can assist me?

Thanks
Sandeep
Attached Files
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mac80211_hwsim monitor mode

May 9, 2017, 7:19 am
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Hello,

I am trying to use mac80211_hwsim in monitor mode, but when I transmit an 802.11 frame on one simulated interface it does not appear on another simulated interface.

I have the hwsim module loaded with the default two interfaces (wlan0 and wlan1):

Code:
y@tower:~$ lsmod | grep hwsim
mac80211_hwsim        45056  0
mac80211              733184  2 ath9k_htc,mac80211_hwsim
cfg80211              561152  5 ath,ath9k_common,mac80211,ath9k_htc,mac80211_hwsim

y@tower:~$ iwconfig
lo        no wireless extensions.

wlan1    IEEE 802.11abgn  Mode:Monitor  Frequency:2.412 GHz  Tx-Power=20 dBm 
          Retry short limit:7  RTS thr:off  Fragment thr:off
          Power Management:off
         
wlan0    IEEE 802.11abgn  Mode:Monitor  Frequency:2.412 GHz  Tx-Power=20 dBm 
          Retry short limit:7  RTS thr:off  Fragment thr:off
          Power Management:off
I set the monitor mode on each interface and the channel as follows:

Code:
ip link set dev wlan0 down
iw dev wlan0 set type monitor
ip link set dev wlan0 up
iw dev wlan0 set channel 1

ip link set dev wlan1 down
iwconfig wlan1 mode monitor
ip link set dev wlan1 up
iw dev wlan1 set channel 1
And then I transmit a frame using the following python script:

Code:
from scapy.all import *
 
class Dot11EltRates(Packet):
    """ Our own definition for the supported rates field """
    name = "802.11 Rates Information Element"
    # Our Test STA supports the rates 6, 9, 12, 18, 24, 36, 48 and 54 Mbps
    supported_rates = [0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c]
    fields_desc = [ByteField("ID", 1), ByteField("len", len(supported_rates))]
    for index, rate in enumerate(supported_rates):
        fields_desc.append(ByteField("supported_rate{0}".format(index + 1),
                                    rate))
 
packet = Dot11(
    addr1="00:a0:57:98:76:54",
    addr2="00:a0:57:12:34:56",
    addr3="00:a0:57:98:76:54") / Dot11AssoReq(
        cap=0x1100, listen_interval=0x00a) / Dot11Elt(
            ID=0, info="MY_BSSID")
packet /= Dot11EltRates()
sendp(packet, iface="wlan0")
I am able to see the transmitted frames with Wireshark on wlan0, but nothing appears on wlan1. From the description of the mac80211_hwsim I would think that frames transmitted on channel 1 via wlan0 should be copied to wlan1 receive queue, since it is on the same channel.

Does anyone know what the problem might be?

Thank you.
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Getting all traffic to route over VPN (LTS 16.04).

May 9, 2017, 11:02 am
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I used Network Manager to add a VPN which it brings up when the wired ethernet comes up.

ifconfig shows:

Code:
ppp0      Link encap:Point-to-Point Protocol 
          inet addr:10.38.0.38  P-t-P:10.38.0.1  Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1400  Metric:1
          RX packets:71 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3
          RX bytes:3993 (3.9 KB)  TX bytes:74 (74.0 B)
However what I want to happen is for all traffic except the local network (192,.168.129.0) to be routed via the PPTP VPN.

If I try to edit the VPN settings using network manager "edit connections", all the options are greyed out on all the tabs :(



Please could someone put me out of my misery and tell me what I need to do (my google foo seems to have deserted me).

Thanks
Dave
Attached Images
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[SOLVED] Starting VPN connection as system is started up

May 10, 2017, 1:55 am
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I have a VPN connection that I want to bring up as the system is booted.

Currently it is defined in "Network Manager" and I need to select the entry for it from "VPN Connections" and then enter the password to access the default keyring (I assume my personal one).

How can I configure this to start automagically as the system is coming up without needing password prompts or similar?

Thanks in advance
Dave
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mmcli does not find modem Huawei E3272 on ubuntu 16.04.

May 10, 2017, 2:21 am
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Hi all, I have installed an ubuntu VM 16.04 on a windows 7 host. I connected the 4g modem. The ifconfig gives the following additional interface:
enx0c5b8f279a64 Link encap:Ethernet HWaddr 0c:5b:8f:27:9a:64

which works fine and have internet access via 4g network. Apart from that I need to get additional cellular data from modem like MNC,MCC, signal strength etc, but don't want to get from the relevant web api. So I tried to get them via ModemManager mmcli but I got the following printout when giving "mmcli -L":

Code:
No modems were found
I disconnected the usb dongle and recconnected after 5 seconds and get the following printouts:

Output of command lsusb:

Code:
Bus 001 Device 004: ID 12d1:14dc Huawei Technologies Co., Ltd.
Output of command dmesg|tail:

Code:
[ 2990.932837] usb 1-2: Product: HUAWEI_MOBILE
[ 2990.932838] usb 1-2: Manufacturer: HUAWEI_MOBILE
[ 2991.139073] rndis_host 1-2:1.0 eth0: register 'rndis_host' at usb-0000:00:0c.0-2, RNDIS device, 0c:5b:8f:27:9a:64
[ 2991.140976] usb-storage 1-2:1.2: USB Mass Storage device detected
[ 2991.141154] scsi host4: usb-storage 1-2:1.2
[ 2991.225766] rndis_host 1-2:1.0 enx0c5b8f279a64: renamed from eth0
[ 2991.266112] IPv6: ADDRCONF(NETDEV_UP): enx0c5b8f279a64: link is not ready
[ 2992.147124] scsi 4:0:0:0: Direct-Access    HUAWEI  TF CARD Storage  2.31 PQ: 0 ANSI: 2
[ 2992.150263] sd 4:0:0:0: Attached scsi generic sg2 type 0
[ 2992.156126] sd 4:0:0:0: [sdb] Attached SCSI removable disk
Output of command cat -n /etc/fstab:
Code:
    1    # /etc/fstab: static file system information.
    2    #
    3    # Use 'blkid' to print the universally unique identifier for a
    4    # device; this may be used with UUID= as a more robust way to name devices
    5    # that works even if disks are added and removed. See fstab(5).
    6    #
    7    # <file system> <mount point>  <type>  <options>      <dump>  <pass>
    8    # / was on /dev/sda1 during installation
    9    UUID=f2bb050d-969d-489e-a5db-cf6a1cc770c4 /              ext4    errors=remount-ro 0      1
    10    # swap was on /dev/sda5 during installation
    11    UUID=54fa6b7d-0a1d-4ee2-9944-db918c9c9c75 none            swap    sw              0      0

Output of command ls -l /dev/ttyu* /dev/ttyU*:

Code:
ls: cannot access '/dev/ttyu*': No such file or directory
ls: cannot access '/dev/ttyU*': No such file or directory
Output of command sudo usb_modeswitch -v 12d1 -p 14dc -J -R -W:

Code:
Take all parameters from the command line




* usb_modeswitch: handle USB devices with multiple modes
* Version 2.2.5 (C) Josua Dietze 2015
* Based on libusb1/libusbx


! PLEASE REPORT NEW CONFIGURATIONS !


DefaultVendor=  0x12d1
DefaultProduct= 0x14dc
HuaweiNewMode=1
NeedResponse=0


Look for default devices ...
found USB ID 1d6b:0003
found USB ID 12d1:14dc
vendor ID matched
product ID matched
found USB ID 80ee:0021
found USB ID 1d6b:0002
Found devices in default mode (1)
Access device 003 on bus 001
Current configuration number is 1
Use interface number 0
Error: message endpoint not given or found. Abort

I also find on google that most probably the modem mode is 12d1:1506 but

Output of command sudo usb_modeswitch -v 12d1 -p 1506 -J -R -W:

Code:
Take all parameters from the command line




 * usb_modeswitch: handle USB devices with multiple modes
 * Version 2.2.5 (C) Josua Dietze 2015
 * Based on libusb1/libusbx


 ! PLEASE REPORT NEW CONFIGURATIONS !


DefaultVendor=  0x12d1
DefaultProduct= 0x1506
HuaweiNewMode=1
NeedResponse=0


Look for default devices ...
  found USB ID 1d6b:0003
  found USB ID 12d1:14dc
  vendor ID matched
  found USB ID 80ee:0021
  found USB ID 1d6b:0002
 No devices in default mode found. Nothing to do. Bye!
Has anyone has any idea what I'm doing wrong here?
↧

Qualcom Atheros Wireless Connection frequently disconnects

May 10, 2017, 8:44 am
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Hi,

I have an Acer E15 laptop and it comes with Qualcom Atheros wireless card. A number of people have posted about its driver issue with Linux. The helpful users like chili555 , Jeremy31 have provided suggestions and links to newer drivers. But even following their help, my computer is still experiencing issue. In particular, the wireless connection frequently disconnects itself! I have to reconnect it manually. It happens so often that it has become a pain.

Running lspci -nnk | grep -iA2 net; dmesg | grep ath10k

Code:
02:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] (rev 30)
    Subsystem: Lite-On Communications Inc Device [11ad:0806]
    Kernel driver in use: ath10k_pci
--
03:00.1 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 12)
    Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:1094]
    Kernel driver in use: r8169
    Kernel modules: r8169
[  11.771604] ath10k_pci 0000:02:00.0: pci irq msi-x interrupts 8 irq_mode 0 reset_mode 0
[  13.307020] ath10k_pci 0000:02:00.0: Direct firmware load for ath10k/cal-pci-0000:02:00.0.bin failed with error -2
[  15.619585] ath10k_pci 0000:02:00.0: qca9377 hw1.0 (0x05020000, 0x003820ff sub 11ad:0806) fw WLAN.TF.1.0-00267-1 fwapi 5 bdapi 2 htt-ver 3.1 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 features ignore-otp
[  15.619589] ath10k_pci 0000:02:00.0: debug 0 debugfs 1 tracing 1 dfs 0 testmode 0
[  15.815175] ath10k_pci 0000:02:00.0 wlp2s0: renamed from wlan0
[  36.286763] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  498.306143] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  498.408627] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  498.409242] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  498.511030] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  527.375799] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  565.306543] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  578.317394] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  578.428412] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  739.466968] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  739.467212] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  739.580752] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  771.400556] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!
[  791.582248] ath10k_pci 0000:02:00.0: no channel configured; ignoring frame(s)!


It shows there is still an error. I can't help but wonder if that's what causes my disconnect issue. Can someone make some suggestions? Thanks!
↧
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[xubuntu] Xubuntu 17.04 - no network connectivity -at all

May 11, 2017, 2:29 am
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I downloaded Xubuntu 17.04 today via torrent and burned it to USB. The torrent and the burned distro both pass CRC. It loads fine both on my laptop and my gaming PC, but on neither computer will it connect to the internet, either via wireless, wired or tethering a phone via USB. All three methods work in Windows, so it's not the NICs or my phone or whatever.

Sorry for the phone screenshots but I couldn't take real ones as I can't connect to anything!
The wireless goes through about 10 seconds of thinking about it and bombs out with:
1.jpg

Yes, I call my wifi network badluckbrian - I'm a comedian like that.

var/log/syslog says:
2.jpg

Using a wired or a tethered connection, the connection works but it cannot contact the internet.
var/log/syslog says:
3.jpg

I've followed some guidelines I found here --> https://askubuntu.com/questions/9029...hanging/905019 and here --> https://superuser.com/questions/1153...200745#1200745 but they do not work. Obviously I cannot follow that second link's advice and reboot as I'm using a live session and the settings won't stick.

Logically, I don't want to install a distro if it can't connect to the internet so does anyone know of a workaround to get connectivity? It's not a bad download or burn as I've ran a CRC and it checks out. So what is this? A buggy release? Wouldn't be the first time a Linux distro has been released with showstopping bugs on it I suppose. Shame, as I really want to give this Xubuntu version a go as reviews of it say it's very good. :(

So, any suggestions?
Attached Images
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[ubuntu] DNS is not applied from DHCP offer

May 11, 2017, 6:03 am
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Hello all,

I am in trouble related to DHCP & DNS, first of all log:
Code:
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2976] dhcp4 (enp4s0):  address 10.91.119.210 May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2978] dhcp4 (enp4s0):  plen 24 (255.255.255.0)
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2978] dhcp4 (enp4s0):  gateway 10.91.119.1 May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2979] dhcp4 (enp4s0):  server identifier 172.28.170.7
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2980] dhcp4 (enp4s0):  lease time 302400 May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2981] dhcp4 (enp4s0):  hostname 'gklab-119a-210'
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2982] dhcp4 (enp4s0):  nameserver '10.248.2.1' May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2983] dhcp4 (enp4s0):  nameserver '163.33.253.76'
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2983] dhcp4 (enp4s0):  domain name 'i.i.com' May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2984] dhcp4 (enp4s0):  wins '10.125.144.16'
May 11 14:54:10 gklab-119a-210 NetworkManager[8835]:  [1494507250.2985] dhcp4 (enp4s0):  wins '163.33.7.86'
As I see - DHCP offers me DNS servers, but in resolv.conf there is still 127.0.0.53. How can I enforce NetworkManager to write DNSes from DHCP? U 17.04.
↧
↧

LAN and DHCP working but no connection to the outside world!

May 11, 2017, 12:38 pm
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Dear All,

I have not used Linux/Ubuntu in several years and cant get the issue fixed with google alone. :confused:

I am trying to set up a basic server but it just cant communicate outside the network! I have invested several hours in trying to fix the issue, but so far I had little success. It is connected directly to my router and the connections on all other devices work as intended. :???:](*,)

Hope I can get some help here! Many thanks in advance!

Here are some infos on my Ubuntu Server 16.04.2 LTS configuration:

Interfaces:
Code:
GNU nano 2.5.3        File: /etc/network/interfaces


source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback

auto enp3s0
iface enp3s0 inet dhcp
netmask 255.255.255.0
gateway 192.168.0.1
pinging google.com: nothing happens. No error message.

Pinging googles IP:
Code:
ping 172.217.22.67
PING 172.217.22.67 (172.217.22.67) 56(84) bytes of data.

^C
--- 172.217.22.67 ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7055ms
Pinging a LAN device:
Code:
ping 192.168.0.5
PING 192.168.0.5 (192.168.0.5) 56(84) bytes of data.
64 bytes from 192.168.0.5: icmp_seq=1 ttl=64 time=101 ms
64 bytes from 192.168.0.5: icmp_seq=2 ttl=64 time=3.04 ms
64 bytes from 192.168.0.5: icmp_seq=3 ttl=64 time=3.91 ms
64 bytes from 192.168.0.5: icmp_seq=4 ttl=64 time=3.19 ms
64 bytes from 192.168.0.5: icmp_seq=5 ttl=64 time=3.01 ms
64 bytes from 192.168.0.5: icmp_seq=6 ttl=64 time=3.36 ms
64 bytes from 192.168.0.5: icmp_seq=7 ttl=64 time=3.02 ms
64 bytes from 192.168.0.5: icmp_seq=8 ttl=64 time=3.22 ms
64 bytes from 192.168.0.5: icmp_seq=9 ttl=64 time=3.36 ms
64 bytes from 192.168.0.5: icmp_seq=10 ttl=64 time=2.98 ms
64 bytes from 192.168.0.5: icmp_seq=11 ttl=64 time=3.01 ms
64 bytes from 192.168.0.5: icmp_seq=12 ttl=64 time=3.19 ms
64 bytes from 192.168.0.5: icmp_seq=13 ttl=64 time=2.96 ms
^C
--- 192.168.0.5 ping statistics ---
13 packets transmitted, 13 received, 0% packet loss, time 12018ms
rtt min/avg/max/mdev = 2.966/10.722/101.084/26.086 ms
ifconfig and lshw -c network:
Code:
# ifconfig -a
enp3s0    Link encap:Ethernet  HWaddr 1c:1b:0d:b6:c8:68
          inet addr:192.168.0.9  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::1e1b:dff:feb6:c868/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1538 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1164 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:257452 (257.4 KB)  TX bytes:114169 (114.1 KB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:176 errors:0 dropped:0 overruns:0 frame:0
          TX packets:176 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:13392 (13.3 KB)  TX bytes:13392 (13.3 KB)

wlp2s0    Link encap:Ethernet  HWaddr f4:06:69:e1:a1:f9
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

         
# sudo lshw -c network
  *-network DISABLED
      description: Wireless interface
      product: Wireless 3160
      vendor: Intel Corporation
      physical id: 0
      bus info: pci@0000:02:00.0
      logical name: wlp2s0
      version: 83
      serial: f4:06:69:e1:a1:f9
      width: 64 bits
      clock: 33MHz
      capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
      configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-77-generic firmware=17.352738.0 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
      resources: irq:315 memory:91300000-91301fff
  *-network
      description: Ethernet interface
      product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
      vendor: Realtek Semiconductor Co., Ltd.
      physical id: 0
      bus info: pci@0000:03:00.0
      logical name: enp3s0
      version: 15
      serial: 1c:1b:0d:b6:c8:68
      size: 1Gbit/s
      capacity: 1Gbit/s
      width: 64 bits
      clock: 33MHz
      capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
      configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.0.9 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
      resources: irq:312 ioport:e000(size=256) memory:91204000-91204fff memory:91200000-91203fff
↧

[kubuntu] 17.04 Configuring Interface

May 12, 2017, 4:32 am
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Hi, i'm having a strange problem since my upgrade from kubuntu 16.10, my network adapter was working and after the upgrade i can't connect to any wifi network.
If i try to conect via blutooth, it connects without a problem.

My computer has 2 SO, windows 10, where the usb wifi adapter is working correctly, and kubuntu, where i've tested an usb with kubuntu 17.04 in live mode. So i can't connect with wifi in my installed kubuntu version and in the usb in live mode, in any ocasions the wifi status is configuring interface and then does'nt connect to the network.
The usb wifi adapter is an Atheros AR9271.

I'm startin to get suspicious about the support to this adapter. Can anyone give me a help on this?
↧

WIFI and wired connection driving me mad

May 12, 2017, 8:59 am
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Hi,

I have both a wired and wireless connection (Ub14.04), and when I connect the wired my wifi internet stops working. I thought this had solved it, but no. I'm not good at this networking stuff, so please be gentle.

Details:
I have 4 machines connected via a switch. Their wired connections are static IP e.g.192.168.1.1, mask=24, gateway=192.168.1.254 , DNS server=10.0.0.10. 'Use this connection only for the resources on its network' checked for both Ipv4 and Ipv6.
Their wifi is automatic (DHCP).
Sometimes the WIFI internet works, sometimes it pauses then works, sometimes it does not work. Mostly it does not work. It works fine when the wired is disconnected. Sometimes the wired keeps disconnecting.
My route tables are (2nd is wired disconnected):
Code:
ed@master:~$ route
Kernel IP routing table
Destination    Gateway        Genmask        Flags Metric Ref    Use Iface
default        192.168.1.254  0.0.0.0        UG    0      0        0 wlan0
192.168.1.0    *              255.255.255.0  U    1      0        0 eth0
192.168.1.0    *              255.255.255.0  U    9      0        0 wlan0
Code:
ed@master:~$ route
Kernel IP routing table
Destination    Gateway        Genmask        Flags Metric Ref    Use Iface
default        192.168.1.254  0.0.0.0        UG    0      0        0 wlan0
192.168.1.0    *              255.255.255.0  U    9      0        0 wlan0
TIA!
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