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[UbuntuGnome] Intel Centrino Ultimate-N 6300 - Slow performance

February 10, 2017, 9:32 am
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This is my first post here. I've been using linux in my professional life for years but I am by no means an expert.

The machine in question is a ThinkPad W530 with an Intel Corporation Centrino Ultimate-N 6300 [8086:4238] (rev 3e)

When booting to Windows 10, the wireless performance is excellent. However, when booting to Ubuntu the speeds seem to be "capped" at 2MB/sec. SpeedTest.net confirms I am getting about half the download speed under linux.

Link to wireless info script output: http://pastebin.com/NcfznVBg

There are many old posts related to this card. Some of the solutions seem to be outdated, others simply don't seem to work.

Any wizards here with ideas on how to fix this is appreciated. The machine is usable, just not practical with the "speed cap".
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/etc/network/interfaces question

February 10, 2017, 1:18 pm
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When setting a static IP address for eth0 in /etc/network/interfaces, 'nameserver' was used rather than 'dns-nameservers'

This address was also placed in /etc/resolvconf/resolv.conf.d/head using 'nameserver'

Will this cause connection issues? if an incorrect name is used on one of the lines in the stanza, is it ignored? The address is correct, just not the name.
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[ubuntu] Wi-fi and bluetooth start occassionally

February 11, 2017, 12:18 am
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Hi there I have a problem with my wi-fi card. Sometimes when I start my laptop running Ubuntu my wi-fi not appear. It is so confusing because sometimes work normally and sometimes not. If it's not working I have to shut down my laptop and start again. Restarting sometimes work but sometimes not, means that restarting the computer not always solve the problem.

lsb_release -d: Ubuntu 16.04.1 LTS
lspci: Network controller: Qualcomm Atheros Device 0042 (rev 30)

Have to say that it was hard to install those drivers for got wi-fi to work. But dont understad why it is not working properly and where should be the problem that it is not starting always.

Thanks
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[ubuntu] can't find eth0 instead enp3s0f0

February 11, 2017, 5:58 am
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Hi,

I am new to ubuntu and I have a problem with my ethernet. I can't find eth0 instead enp3s0f0

Code:
enp3s0f0  Link encap:Ethernet  HWaddr 20:6a:8a:44:55:05           
inet6 addr: fe80::3fdd:b167:5850:1f41/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:302 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:51972 (51.9 KB)
          Interrupt:19


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:1626 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1626 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:344498 (344.4 KB)  TX bytes:344498 (344.4 KB)


wlp2s0    Link encap:Ethernet  HWaddr 20:7c:8f:69:e2:d5 
          inet addr:10.6.11.50  Bcast:10.6.11.255  Mask:255.255.255.0
          inet6 addr: fe80::37ea:ff8a:d671:3412/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:13629 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8705 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:8682863 (8.6 MB)  TX bytes:1829780 (1.8 MB)
i try a couple tutorial like change the
Code:
/etc/network/interfaces
but still not solve my problem.
what i'm trying to do is communicate to my raspberry pi via ssh but before i want to know the ip address of my raspberry using nmap in this tutorial https://www.raspberrypi.org/document.../ip-address.md
I follow the
Code:
hostname -i
but the output is the loopback ip
Before i want to communicate to arduino ethernet shield. i ran
Code:
telnet IP port
but the result is network unreachable
so i know the problem is from my computer
i appreciate your help thanks!
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Ethernet connection, Ubuntu 16.04.2 LTS (MATE), persistent name resolution failures

February 11, 2017, 6:35 am
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I moved to Ubuntu MATE 16.04 from Linux Mint 17.2 about 2-3 weeks ago. I did not experience the problem under consideration under Linux Mint.


I am now experiencing random drops of internet access. When such drops occur, I can no longer access new websites or new webpages, I cannot refresh webpages that are already open and I cannot launch new applications accessing the internet. However, existing connections, such as live streams, live chats, downloads or applications normally remain operational when such drops occur, even though they may also break from time to time along with the drop.


After a drop, when I am trying to access a new webpage or refresh an existing one, I receive the following browser message:


“This site can’t be reached


The webpage at https://www.youtube.com/ might be temporarily down or it may have moved permanently to a new web address.
ERR_NAME_RESOLUTION_FAILED”


(This message is different from the one that I receive when I intentionally turn the internet off:


“There is no Internet connection


Try:
Checking the network cables, modem, and router
Reconnecting to Wi-Fi
ERR_INTERNET_DISCONNECTED”)


Also, after a drop, the Network Manager continues to show that the internet/Ethernet connection is up, and the modem indicators also show that intenet connection is OK. I have an ADSL modem.


The problem can be resolved by turning the modem off and then on. After this, the internet connection is working as normal until the next drop.


I have changed my Ethernet driver from r8169 to r8168, and this reduced the frequency of the drops. However, the drops still occur even though at a smaller frequency.


The output of $ dmesg | grep r816 immediately after a reboot is as follows:


[ 1.588495] r8168: module verification failed: signature and/or required key missing - tainting kernel
[ 1.588839] r8168 Gigabit Ethernet driver 8.041.00-NAPI loaded
[ 1.589735] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[ 1.589741] r8168 Copyright (C) 2015 Realtek NIC software team <nicfae@realtek.com>
[ 1.589878] r8168 Gigabit Ethernet driver 8.041.00-NAPI loaded
[ 1.590692] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[ 1.590695] r8168 Copyright (C) 2015 Realtek NIC software team <nicfae@realtek.com>
[ 1.648874] r8168 0000:06:00.0 enp6s0: renamed from eth1
[ 1.660233] r8168 0000:05:00.0 enp5s0: renamed from eth0
[ 34.452482] r8168: enp5s0: link up


However, after the first drop the output of $ dmesg | grep r816 changes to:


[ 1.589145] r8168: module verification failed: signature and/or required key missing - tainting kernel
[ 1.589456] r8168 Gigabit Ethernet driver 8.041.00-NAPI loaded
[ 1.590311] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[ 1.590317] r8168 Copyright (C) 2015 Realtek NIC software team <nicfae@realtek.com>
[ 1.590332] r8168 Gigabit Ethernet driver 8.041.00-NAPI loaded
[ 1.591136] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[ 1.591139] r8168 Copyright (C) 2015 Realtek NIC software team <nicfae@realtek.com>
[ 1.640349] r8168 0000:05:00.0 enp5s0: renamed from eth0
[ 1.664192] r8168 0000:06:00.0 enp6s0: renamed from eth1
[ 34.388479] r8168: enp5s0: link up
[ 4949.392006] r8168: enp5s0: link down
[ 4952.412478] r8168: enp5s0: link up
[ 4966.412007] r8168: enp5s0: link down
[ 4969.432481] r8168: enp5s0: link up
[13409.440008] r8168: enp5s0: link down
[13412.460476] r8168: enp5s0: link up
[13425.460006] r8168: enp5s0: link down
[13428.480476] r8168: enp5s0: link up


The output of $ ping 8.8.8.8 after a drop is as follows:


PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=57 time=19.1 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=57 time=18.4 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=57 time=19.2 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=57 time=18.7 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=57 time=17.7 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=57 time=17.6 ms


and so on




I would appreciate if anyone could advise what needs to be done to get rid of this annoying problem, as apart from this issue the performance of the system has been fantastic.
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[ubuntu] mount cifs drive without sudo or fstab

February 11, 2017, 8:48 am
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hi

i try to mount this

Code:
mount.cifs //10.11.12.13/shared /home/linux/nas -o user=username,pass=password,uid=pi,iocharset=utf8,file_mode=0777,dir_mode=0777,noperm
i get error

Code:
mount.cifs: permission denied
if i run this
Code:
sudo mount.cifs //10.11.12.13/shared /home/linux/nas -o user=username,pass=password,uid=pi,iocharset=utf8,file_mode=0777,dir_mode=0777,noperm
it's working ok.

i dont want to use fstab or sudo to mount this drive as i want to add it in a bash script.

any idea?

thanks
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X2go session - issue

February 11, 2017, 9:24 am
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Hi guys, I have an issue I am needing to resolve.

I often remote into my ubuntu box via X2go XFCE on my windows machine. Last night following some work, x2go locally crashed. This has led to x2go still running a session server side. I can still access the box via SSH and was wondering how I could terminate this session via SSH ?

This is what top -user shows




I appreciate any input. Thanks!
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[ubuntu] Samba - How to make my shared folder accessible to Windows 10

February 11, 2017, 10:53 am
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SOLVED: See last post for solution.

I setup a folder on my Ubuntu PC and need to share it so I can access it on my Windows 10 laptop. So far, the Windows machine can't detect the shared folder. It detects the Ubuntu computer but can't access it. I installed samba, and created the folder
Code:
/home/horse/switch
, I set it to a shared folder using nautilus. It has 777 permissions:

https://i.gyazo.com/89e8af1ad9788378...f4cc849718.png

When I set the share up, it didn't add anything to
Code:
/etc/samba/smb.conf
file, so I added this myself:
Code:
[switch]
path = /home/horse/pass
valid users = horse entheologist
read only = no
browseable = yes
public = yes
writable = yes
comment = Pass between laptop and Ubuntu
So after restarting samba with /etc/init.d/samba restart when I run testparm -s everything looks right:
Code:

[switch]
    comment = Pass between laptop and Ubuntu
    path = /home/horse/switch
    guest ok = Yes
    read only = No
    valid users = horse entheologist

So on the Windows 10 machine, I tried to connect to the share:
https://i.gyazo.com/c3f6486ea178f43e...95115dce14.png

and it asked me for login details:
https://i.gyazo.com/8e0645dea8c0a4d6...f6a694d494.png

I entered login details which I know are correct for both Ubuntu and for samba, but I got this message:
https://i.gyazo.com/6382953e0a8d657f...b7a594b2e0.png

the Windows machine detects the Ubuntu machine:
https://i.gyazo.com/26d5e408ca6def14...fef25aff06.png
if I try to go into \\HORSE, it won't let me, but I can get into \\192.168.1.168:
https://i.gyazo.com/8c98f6f9a8252cdc...820ec91132.png

I just can't actually get into the shared folder, it keeps asking me for credentials, but when I enter them it tells me I have no permission.

I ran this:
Code:
sudo smbpasswd -a horse
and set the password. horse is the username on the Windows machine too, so to avoid any possible clashes I added a new user called entheologist and ran smbpasswd on that user too. In the smb.conf file, these two parameters are set:

Code:
workgroup = WORKGROUP
wins support = yes
I ran
Code:
sudo ufw disable
just to make sure the Ubuntu firewall isn't interfering. But I can't see the shared folder on the Windows machine. How would I go about diagnosing what the specific problem is?
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WiFi is very finicky and almost non-functional?

February 11, 2017, 12:08 pm
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I am currently having a problem with my WiFi on my laptop, most likely related to the software, as my Windows partition works flawlessly with the Wi-Fi, and I didn't have any issues with Ubuntu 16.04.
I installed Ubuntu Budgie 16.10 (The same problem, however, occurs with my Ubuntu Gnome USB). The WiFi will take forever to connect, only after stubbornly disconnecting and reconnecting several times, and after finally reaching a connection, the internet works for about 10 seconds and then, even though it is connected, cannot load up any webpages.
I tried manually connecting an Ethernet cable, but to no avail- the same problem happens.
I also tried to disable IPV6 (both via network manager and via sysctl.conf) and to disable IPV4 (via network manager), but the same problem happens.
I'm using an HP Notebook, and after Pinging it in terminal, what ends up happening is that my computer cannot access any data repeatedly, and then after 6 lines of text it will connect for three lines, and this process repeats indefinitely.

I do want to stress that my Windows partition works flawlessly with the internet, with no issues at all, so I suspect it is a software related issue.

Anybody else having this issue, and has anybody come up with a solution?

Thanks,
-Matt
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[ubuntu] On loopback...

February 11, 2017, 12:52 pm
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I'm looking at my terminal window and loopback is screaming mtu at 65536. That's not normal to my recollection of past linux experiences. but then again I never really took a hard look at it either. One gentleman said he changed his mtu but I understood that to be a transmission unit from a source, not from eth0. Any ideas why it's so high? I'm not looking to slow down my ethernet by dropping it down past 1500. Just wondering why on the loopback (LocalMachine [this device]) is it so high?
Attached Images
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[ubuntu] IPV6 Routing Error Wifi Connected but No Internet

February 11, 2017, 12:57 pm
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I can't figure out how to get wifi working again after a slightly botched upgrade from 14.04 to 16.04. Wifi is connecting but I cannot connect to the internet. It seems I have no default route set up but am not sure what to do next. Pretty sure our router is using ipv6. Thanks for the help can't wait to get my system going again.

wireless-info output:
http://pastebin.ubuntu.com/23976681/
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Add logic to nfs mounting process?

February 11, 2017, 2:07 pm
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Ubuntu 16.10 amd64

I have an nfs share that I mount automatically from fstab thus:

Code:
10.130.0.2:/mnt/RedMirror/  /mnt/2tb nfs defaults
My automatic backup directory is on this share, so I like having it mount automatically, otherwise the backup fails.

The down side to this is that if I try to boot the system when the nfs share isn't accessible (not home, network not connected, etc) then the boot process hangs indefinitely. I don't want to add the 'user' mount option, because as I mentioned, this would break the automatic backup to network.

Is there a way to add some logic to the mount process so that it won't attempt to mount the nfs share if I'm not on a certain network, such as 10.128.0.0/14? Or to add a timeout so that boot will continue even if the share isn't mounted? Or failing those options, is there a way to manually tell the boot process to continue even while the nfs is not mounted? I tried esc and ctrl-c, but neither was effective.
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vnc networking iptables no longer working for me.

February 11, 2017, 4:10 pm
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I have a new network set up. All inbound and out bound traffic to the net is on eth3. All internal traffic is 192.168/.. is on eth0

I had a script for my tables for my old set up (eth0 and eth0:1) but was using a virtual card. Now that I have it on my new set up the vnc portion is not working right.


iptables -t nat -A POSTROUTING -o eth3 -j MASQUERADE
iptables -t mangle -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu


iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5925 -j DNAT --to-destination 192.168.0.25:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5927 -j DNAT --to-destination 192.168.0.27:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5929 -j DNAT --to-destination 192.168.0.29:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5931 -j DNAT --to-destination 192.168.0.31:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5910 -j DNAT --to-destination 192.168.0.10:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 5921 -j DNAT --to-destination 192.168.0.21:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 59137 -j DNAT --to-destination 192.168.0.137:5900
iptables -t nat -A PREROUTING -i eth3 -p tcp --dport 59110 -j DNAT --to-destination 192.168.0.110:5900

Anyone see something I missed here?
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Wifi is not detected in my desktop[using usb wifi adapater supporting RTL8192EU]

February 11, 2017, 5:15 pm
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Dear Altruists

I am using a SImplecom nw382 802.11 usb wifi adapter in my desktop. Its succesfully operating in windows environment. But in UBuntu 16.04 environment the wifi is not detecting.I assume that I did not install the hardware correctly.

A. I have tried to install the following provided driver, "20140812_rtl8192EU_linux_v4.3.1.1_11320" following the readme note.
Code:
1. tar zxvf 20140812_rtl8192EU_linux_v4.3.1.1_11320.tar.gz
  and cd to 20140812_rtl8192EU_linux_v4.3.1.1_11320
2. make
3. su-> enter your root password
4. make install
But the make fails showing bunches of errors. The output link is provided here

B. Then I try the following command: sudo apt-get update
And the output comes following:
Code:
Hit:1 http://au.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://au.archive.ubuntu.com/ubuntu xenial-updates InRelease           
Hit:3 http://au.archive.ubuntu.com/ubuntu xenial-backports InRelease         
Get:4 http://au.archive.ubuntu.com/ubuntu xenial/main Translation-en_AU [420 kB]
Hit:5 http://archive.canonical.com/ubuntu xenial InRelease                   
Get:6 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]   
Get:7 http://au.archive.ubuntu.com/ubuntu xenial/restricted Translation-en_AU [2,012 B]
Get:8 http://security.ubuntu.com/ubuntu xenial-security/main amd64 DEP-11 Metadata [68.0 kB]
Get:9 http://security.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [48.1 kB]
Get:10 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata [32.1 kB]
Get:11 http://security.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons [37.0 kB]
Get:12 http://au.archive.ubuntu.com/ubuntu xenial/universe Translation-en_AU [3,039 kB]
Get:13 http://au.archive.ubuntu.com/ubuntu xenial/multiverse Translation-en_AU [67.7 kB]
Fetched 3,816 kB in 9s (385 kB/s)                                             
Reading package lists... Done
N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension
C. Then I have tried the following command
Code:
wget -N -t 5 -T 10 https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info && chmod +x wireless-info &&./wireless-info
--2017-02-12 11:10:41--  https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info
to diagnosis the network status and the result show here

And ultimate result appears that the network icon have totally been gone from ubuntu. The screen shot is here

Currently I am using mobile internet using my mobile as a modem in my desktop in Ubuntu 16.04 environment.

I am looking for sincere advices from you.

Thank You,
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[SOLVED] Ubuntu 16.04 can't connect to the internet using wireless or ethernet

February 11, 2017, 8:33 pm
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I just installed Ubuntu 16.04 on an old laptop and erased the Windows XP files, but now Ubuntu can't connect to the internet using wireless or ethernet. When I open the network icon, it shows "Enable Networking" but not "Enable Wireless." I'm suspecting that installing Ubuntu might have erased some drivers or software I needed. Any help is appreciated. Thanks!!!


Output for rfkill list:

(rfkill list didn't output anything)


Output for lspci:


Code:
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
        Subsystem: Dell Inspiron 6400 [1028:01af]
        Kernel modules: b44
--
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
        Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
        Kernel driver in use: wl

Output for iwconfig:


Code:
lo        no wireless extensions.

Output for lsmod:


Code:
Module                  Size  Used by
nls_iso8859_1          16384  1
uas                    20480  0
usb_storage            57344  2 uas
hid_generic            16384  0
usbhid                49152  0
hid                    98304  2 hid_generic,usbhid
ssb                    57344  1
mii                    16384  0
wl                  6152192  1
gpio_ich              16384  0
dell_laptop            24576  0
coretemp              16384  0
dcdbas                16384  1 dell_laptop
kvm                  471040  0
dell_smm_hwmon        16384  0
snd_hda_codec_hdmi    49152  1
snd_hda_codec_idt      53248  1
snd_hda_codec_generic    69632  1 snd_hda_codec_idt
snd_hda_intel          36864  3
irqbypass              16384  1 kvm
snd_hda_codec        118784  4 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_intel
cfg80211              499712  1 wl
snd_hda_core          61440  5 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
joydev                20480  0
input_leds            16384  0
snd_hwdep              16384  1 snd_hda_codec
serio_raw              16384  0
r852                  20480  0
sm_common              20480  1 r852
nand                  69632  2 r852,sm_common
nand_ecc              16384  1 nand
nand_bch              16384  1 nand
bch                    20480  1 nand_bch
nand_ids              12288  1 nand
snd_pcm                94208  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
mtd                    57344  2 nand,sm_common
snd_seq_midi          16384  0
snd_seq_midi_event    16384  1 snd_seq_midi
lpc_ich                20480  0
snd_rawmidi            28672  1 snd_seq_midi
r592                  20480  0
memstick              16384  1 r592
snd_seq                57344  2 snd_seq_midi_event,snd_seq_midi
snd_seq_device        16384  3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer              32768  2 snd_pcm,snd_seq
snd                    69632  17 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
shpchp                32768  0
soundcore              16384  1 snd
mac_hid                16384  0
parport_pc            32768  0
ppdev                  20480  0
lp                    20480  0
parport                45056  3 lp,ppdev,parport_pc
autofs4                40960  2
psmouse              118784  0
sdhci_pci              24576  0
firewire_ohci          36864  0
sdhci                  45056  1 sdhci_pci
firewire_core          65536  1 firewire_ohci
crc_itu_t              16384  1 firewire_core
pata_acpi              16384  0
i915                1130496  4
i2c_algo_bit          16384  1 i915
drm_kms_helper        131072  1 i915
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
video                  36864  2 i915,dell_laptop
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
drm                  311296  6 i915,drm_kms_helper

Output for sudo lshw -C network:


Code:
  *-network
      description: Network controller
      product: BCM4311 802.11b/g WLAN
      vendor: Broadcom Corporation
      physical id: 0
      bus info: pci@0000:0b:00.0
      version: 01
      width: 32 bits
      clock: 33MHz
      capabilities: pm msi pciexpress bus_master cap_list
      configuration: driver=wl latency=0
      resources: irq:16 memory:dfdfc000-dfdfffff
  *-network UNCLAIMED
      description: Ethernet controller
      product: BCM4401-B0 100Base-TX
      vendor: Broadcom Corporation
      physical id: 0
      bus info: pci@0000:03:00.0
      version: 02
      width: 32 bits
      clock: 33MHz
      capabilities: pm bus_master cap_list
      configuration: latency=64


      resources: memory:df9fe000-df9fffff

Output for iwlist scan:


Code:
lo        Interface doesn't support scanning

Output for cat /etc/lsb-release; uname -a:


Code:
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"
Linux inspiron-6400 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:06:14 UTC 2016 i686 i686 i686 GNU/Linux

Output for lspci -nnk | grep -iA2 net:


Code:
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
        Subsystem: Dell Inspiron 6400 [1028:01af]
        Kernel modules: b44
--
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
        Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
        Kernel driver in use: wl

Ouptut for lsusb:


Code:
Bus 001 Device 003: ID 0781:5575 SanDisk Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
↧
Search

Wireless card not recognized by Network Manager on Lenovo

February 11, 2017, 9:36 pm
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I have a nice Lenovo Yoga Pro 13 that has always given me trouble with the wireless card and I replaced it twice and then it was working mostly all of 2016 on 16.04 and just recently I started using a wired connection and when I looked today at my network manager list there is no longer a WiFi option.

Code:
########## wireless info START ##########


Report from: 11 Feb 2017 20:49 PST -0800


Booted last: 11 Feb 2017 00:00 PST -0800


Script from: 08 Jul 2016 02:16 UTC +0000


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


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


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


Linux 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux


Parameters: ro, noprompt, quiet, splash, elevator=deadline, vt.handoff=7


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


Ubuntu


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


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


Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 007: ID 5986:0535 Acer, Inc
Bus 002 Device 006: ID 04f3:016f Elan Microelectronics Corp.
Bus 002 Device 005: ID 2047:0855 Texas Instruments Invensense Embedded MotionApp HID Sensor
Bus 002 Device 004: ID 8087:07dc Intel Corp.
Bus 002 Device 003: ID 2001:1a02 D-Link Corp. DUB-E100 Fast Ethernet Adapter(rev.C1) [ASIX AX88772]
Bus 002 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


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


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


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


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


cfg80211              565248  0
ideapad_laptop        24576  0
sparse_keymap          16384  1 ideapad_laptop
wmi                    20480  1 ideapad_laptop
video                  40960  2 i915,ideapad_laptop


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


auto lo
iface lo inet loopback


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


enx<IF from MAC [IF1]> Link encap:Ethernet  HWaddr <MAC 'enx<IF from MAC [IF1]>' [IF1]> 
          inet addr:192.168.1.72  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::dbca:4571:e915:26c3/64 Scope:Link
          inet6 addr: 2602:304:686d:5cb0:cdac:5195:487b:701a/64 Scope:Global
          inet6 addr: 2602:304:686d:5cb0:af6e:113c:5269:6835/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4265 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3459 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1538212 (1.5 MB)  TX bytes:1614636 (1.6 MB)


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


lo        no wireless extensions.


enx<IF from MAC [IF1]>  no wireless extensions.


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


Kernel IP routing table
Destination    Gateway        Genmask        Flags Metric Ref    Use Iface
0.0.0.0        192.168.1.254  0.0.0.0        UG    100    0        0 enx<IF from MAC [IF1]>
169.254.0.0    0.0.0.0        255.255.0.0    U    1000  0        0 enx<IF from MAC [IF1]>
192.168.1.0    0.0.0.0        255.255.255.0  U    100    0        0 enx<IF from MAC [IF1]>


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


nameserver 127.0.1.1
search attlocal.net


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


Installed:


    NetworkManager


Running:


root      1187    1  0 20:23 ?        00:00:01 /usr/sbin/NetworkManager --no-daemon


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


GENERAL.DEVICE:                        enx<IF from MAC [IF1]>
GENERAL.TYPE:                          ethernet
GENERAL.NM-TYPE:                        NMDeviceEthernet
GENERAL.VENDOR:                        D-Link         
GENERAL.PRODUCT:                        DUB-E100
GENERAL.DRIVER:                        asix
GENERAL.DRIVER-VERSION:                22-Dec-2011
GENERAL.FIRMWARE-VERSION:              ASIX AX88772 USB 2.0 Ethernet
GENERAL.HWADDR:                        <MAC 'enx<IF from MAC [IF1]>' [IF1]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                        0 (No reason given)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:14.0/usb2/2-2/2-2:1.0/net/enx<IF from MAC [IF1]>
GENERAL.IP-IFACE:                      enx<IF from MAC [IF1]>
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:                    Wired connection 1
GENERAL.CON-UUID:                      02d04e6b-77fe-3a8e-9116-f299f3937967
GENERAL.CON-PATH:                      /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED:                        no (guessed)
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                    100 Mb/s
CAPABILITIES.IS-SOFTWARE:              no
WIRED-PROPERTIES.CARRIER:              on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{38}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:  02d04e6b-77fe-3a8e-9116-f299f3937967 | Wired connection 1
IP4.ADDRESS[1]:                        192.168.1.72/24
IP4.GATEWAY:                            192.168.1.254
IP4.ROUTE[1]:                          dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]:                            192.168.1.254
IP4.DOMAIN[1]:                          attlocal.net
DHCP4.OPTION[1]:                        requested_ms_classless_static_routes = 1
DHCP4.OPTION[2]:                        requested_domain_search = 1
DHCP4.OPTION[3]:                        requested_host_name = 1
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]:                        requested_wpad = 1
DHCP4.OPTION[9]:                        requested_netbios_scope = 1
DHCP4.OPTION[10]:                      next_server = 192.168.1.254
DHCP4.OPTION[11]:                      expiry = 1486959835
DHCP4.OPTION[12]:                      requested_interface_mtu = 1
DHCP4.OPTION[13]:                      requested_subnet_mask = 1
DHCP4.OPTION[14]:                      routers = 192.168.1.254
DHCP4.OPTION[15]:                      dhcp_message_type = 5
DHCP4.OPTION[16]:                      ip_address = 192.168.1.72
DHCP4.OPTION[17]:                      requested_static_routes = 1
DHCP4.OPTION[18]:                      domain_name = attlocal.net
DHCP4.OPTION[19]:                      dhcp_renewal_time = 43200
DHCP4.OPTION[20]:                      requested_domain_name_servers = 1
DHCP4.OPTION[21]:                      broadcast_address = 192.168.1.255
DHCP4.OPTION[22]:                      domain_name_servers = 192.168.1.254
DHCP4.OPTION[23]:                      requested_ntp_servers = 1
DHCP4.OPTION[24]:                      dhcp_lease_time = 86400
DHCP4.OPTION[25]:                      dhcp_rebinding_time = 75600
DHCP4.OPTION[26]:                      requested_netbios_name_servers = 1
DHCP4.OPTION[27]:                      subnet_mask = 255.255.255.0
DHCP4.OPTION[28]:                      network_number = 192.168.1.0
DHCP4.OPTION[29]:                      requested_routers = 1
DHCP4.OPTION[30]:                      dhcp_server_identifier = 192.168.1.254
IP6.ADDRESS[1]:                        2602:304:686d:5cb0:cdac:5195:487b:701a/64
IP6.ADDRESS[2]:                        2602:304:686d:5cb0:af6e:113c:5269:6835/64
IP6.ADDRESS[3]:                        fe80::dbca:4571:e915:26c3/64
IP6.GATEWAY:                            fe80::16ed:bbff:fe64:68e5
IP6.DNS[1]:                            2602:304:686d:5cb0::1


##### 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/SD_CO_LIBRARY]] (600 root)
[connection] id=SD_CO_LIBRARY | type=wifi | permissions=user:stav:;
[wifi] mac-address=<MAC address> | mac-address-blacklist= | ssid=SD_CO_LIBRARY
[ipv4] method=auto
[ipv6] method=auto


[[/etc/NetworkManager/system-connections/ATT5B5r4s2]] (600 root)
[connection] id=ATT5B5r4s2 | type=wifi | permissions=user:stav:;
[wifi] mac-address=<MAC address> | mac-address-blacklist= | ssid=ATT5B5r4s2
[ipv4] method=auto
[ipv6] method=auto


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


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


country 00: DFS-UNSET
    (2402 - 2472 @ 40), (N/A, 20), (N/A)
    (2457 - 2482 @ 40), (N/A, 20), (N/A), NO-IR
    (2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
    (5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
    (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
    (5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
    (5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
    (57240 - 63720 @ 2160), (N/A, 0), (N/A)


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


lo        no frequency information.


enx<IF from MAC [IF1]>  no frequency information.


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


lo        Interface doesn't support scanning.


enx<IF from MAC [IF1]>  Interface doesn't support scanning.


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


[cfg80211]
filename:      /lib/modules/4.4.0-62-generic/kernel/net/wireless/cfg80211.ko
description:    wireless configuration support
license:        GPL
author:        Johannes Berg
srcversion:    902BDA34A9B6BB2AE64F135
depends:       
intree:        Y
vermagic:      4.4.0-62-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 #################


[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.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/intel-microcode-blacklist.conf]
blacklist microcode


[/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


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


for user in stav; do
  DIR=/tmp/$user/cache/chromium
  sudo -u $user -- sh -c "mkdir -p $DIR && chmod -R 700 /tmp/$user"
done


exit 0


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


[/etc/pm/sleep.d/00_check_touchpad_status] (755 root)
LOGFILE="/var/log/sleep.log"
case "$1" in
        resume|thaw)
                echo "Resumed normal from suspend at `date`" >> "$LOGFILE"
                /usr/bin/python3 /opt/extras.ubuntu.com/touchpad-indicator/share/touchpad-indicator/check_touchpad_status.py resume
                echo "Touchpad enabled"
                ;;
esac


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


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


[    5.020136] asix 2-2:1.0 eth0: register 'asix' at usb-0000:00:14.0-2, ASIX AX88772 USB 2.0 Ethernet, <MAC 'enx<IF from MAC [IF1]>' [IF1]>
[    5.022007] asix 2-2:1.0 enx<IF from MAC [IF1]>: renamed from eth0
[    5.040112] IPv6: ADDRCONF(NETDEV_UP): enx<IF from MAC [IF1]>: link is not ready
[    5.040484] asix 2-2:1.0 enx<IF from MAC [IF1]>: link down
[    5.041041] IPv6: ADDRCONF(NETDEV_UP): enx<IF from MAC [IF1]>: link is not ready
[    6.774125] IPv6: ADDRCONF(NETDEV_CHANGE): enx<IF from MAC [IF1]>: link becomes ready
[    6.774503] asix 2-2:1.0 enx<IF from MAC [IF1]>: link up, 100Mbps, full-duplex, lpa 0xCDE1
[  84.809284] [UFW BLOCK] IN=enx<IF from MAC [IF1]> OUT= MAC=01:00:5e:00:00:01:14:ed:bb:64:68:e5:08:00 SRC=192.168.1.254 DST=224.0.0.1 LEN=36 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2  (repeated 12 times)


########## wireless info END ############
Can anyone help get my wireless working again?
↧

[ubuntu] failed to retrieve share list from server

February 12, 2017, 4:27 am
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So, I have a WDTVLiveHub plugged into my wireless router. It has been working flawlessly with 16.04 and many versions before that, although I have encountered this problem previously during upgrades. Normally, I stumble around, try different things, and, eventually, it works. I usually reset my router, restart it, re-boot the WDTV live, reboot, reboot, reboot. This time, so far, no joy.
It's very frustrating, and, to my thinking, nothing that I have done incorrectly.
Can anyone offer some clear routes to resolution.

I have browsed this error message on the forum and elsewhere, and many offer solutions, but they generally assume navigational knowledge that leaves me grouping to implement their suggestions.
Comments/advice truly welcome.

Machine is an Asus gs74, dual boot with Win10 (WDTVlive is working fine in Win10), running Ubuntu 16.10 64.

Thanks.

Caruso
↧
↧

[all variants] wi-fi and bluetooth not working at the same time

February 12, 2017, 6:59 am
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wi-fi and bluetooth not working at the same time

I have recently upgraded to Ubuntu 16.04.1 LTS 64-bit from Windows.
I can access my wi-fi network
I can stream music to my bluetooth soundbar.
If I try to do both at the same time now, e.g stream audio from youtube, my soundbar is not found.If I switch-off the Wi-Fi, everything gets back to normal. I have no idea how to solve this.
Here the output of lspci -knn | grep Net -A2; lsusb
09:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd.
RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network
Adapter [103c:2231]
Kernel driver in use: rtl8723be
Kernel modules: rtl8723be
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b40e Chicony Electronics Co., Ltd HP Truevision HD camera
Bus 001 Device 003: ID 0bda:b001 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
↧

Tenda W311U+ Driver Issue

February 12, 2017, 9:46 am
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0
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I'm a windows user and new to the whole linux environment(apart from dirstos). so, if you want to help me. please give a detailed one.thanks


I get the following errors when i try to use make command in the driver's directory. I read the instructions, but I can't figure it out which one to change(on the third step). I need someone who's kind enough, to download the driver from my google drive(it's 1MB or from tenda's website if you don't trust it), try to compile the driver and tell me what has been changed if it was successfull - also check the instructions at the end please. I want to define/change gcc and ld paths but I don't know which one to change.


The usb adaptor works and connects to my wireless router, but I need to install it's driver properly, I know that If the wireless NIC's driver wasn't installed properly, It would show it as(for example in my case) : wlxc83a35ca5ee6 rather than it's normal name — I need to use this usb adaptor on softwares like wireshark and etc without any issues.


os,gcc & ld info on my pc :
Distributor ID: LinuxMint
Description: Linux Mint 18.1 Serena
Release: 18.1
Codename: serena
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
GNU ld (GNU Binutils for Ubuntu) 2.26.1


Errors :


/home/strat1959/Desktop/DPO_RT5572_LinuxSTA_2.6.1.3_20121022/DPO_RT5572_LinuxSTA_2.6.1.3_20121022/os/linux/../../sta/sta_cfg.c:4987:85: error: macro "__DATE__" might prevent reproducible builds [-Werror=date-time]
intf(extra, size, "Driver version-%s, %s %s\n", STA_DRIVER_VERSION, __DATE__, _
^
/home/strat1959/Desktop/DPO_RT5572_LinuxSTA_2.6.1.3_20121022/DPO_RT5572_LinuxSTA_2.6.1.3_20121022/os/linux/../../sta/sta_cfg.c:4987:95: error: macro "__TIME__" might prevent reproducible builds [-Werror=date-time]




Instructions:


1> $tar -xvzf DPB_RT2870_Linux_STA_x.x.x.x.tgz
go to "./DPB_RT2870_Linux_STA_x.x.x.x" directory.

2> In Makefile
set the "MODE = STA" in Makefile and chose the TARGET to Linux by set "TARGET = LINUX"
define the linux kernel source include file path LINUX_SRC
modify to meet your need.


3> In os/linux/config.mk
define the GCC and LD of the target machine
define the compiler flags CFLAGS
modify to meet your need.
** Build for being controlled by NetworkManager or wpa_supplicant wext functions
Please set 'HAS_WPA_SUPPLICANT=y' and 'HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=y'.
=> #>cd wpa_supplicant-x.x
=> #>./wpa_supplicant -Dwext -ira0 -c wpa_supplicant.conf -d
** Build for being controlled by WpaSupplicant with Ralink Driver
Please set 'HAS_WPA_SUPPLICANT=y' and 'HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=n'.
=> #>cd wpa_supplicant-0.5.7
=> #>./wpa_supplicant -Dralink -ira0 -c wpa_supplicant.conf -d


4> $make
# compile driver source code
# To fix "error: too few arguments to function ¡¥iwe_stream_add_event"
=> $patch -i os/linux/sta_ioctl.c.patch os/linux/sta_ioctl.c


5> $cp RT2870STA.dat /etc/Wireless/RT2870STA/RT2870STA.dat

6> load driver, go to "os/linux/" directory.
#[kernel 2.4]
# $/sbin/insmod rt2870sta.o
# $/sbin/ifconfig ra0 inet YOUR_IP up

#[kernel 2.6]
# $/sbin/insmod rt2870sta.ko
# $/sbin/ifconfig ra0 inet YOUR_IP up


7> unload driver
$/sbin/ifconfig ra0 down
$/sbin/rmmod rt2870sta


driver's download link :
https://drive.google.com/open?id=0B1XDUzK97gjrZVdnTjhKeXFSTGM
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[ubuntu] Help setting up wireless adapter!

February 12, 2017, 11:36 am
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Hello, I recently built a PC and didn't want to purchase an OS so I decided to go with Ubuntu. i am unable to have a wired connection long term and need to find a way to set this wireless adapter I found to work with Ubuntu. It is a D-Link DWl-g122, I have searched for instructions on how to set it up but it is confusing and i don't know where to start! I have a little bit of experience with linux but not enough to know how to do this. Thanks!
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