NetworkManager is a set of co-operative tools that make networking simple and straightforward.

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Ubuntu 15.10 - Can't connect to wi-fi networks using USB wifi adapter

After upgrading to Ubuntu 15.10 my USB Wifi adapter TP-LINK model (TL-WN722N) behaving strangely, it gets disconnected frequently & when I try to connect to any network I get below message. (1)...
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17 views

Ubuntu PC, Wireless network continuously trying to connect

I have Ubuntu 14.04 dual booted along with windows 8, and I also have a wireless card installed. So the wireless connection used to work completely fine on both until one day it just stopped ...
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1answer
100 views

Wireless not connected ubuntu 15.04 using toplink tl wn823n adapter

Wired internet connection is working but wireless is not. I can see wireless networks but when try to connect it just doesn't connect, after I tried several things it finally connected once, but the ...
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1answer
718 views

File Transfer over Wifi

I have two Laptops, Samsung Notebook (32bit System) and Dell (64bit system) both running Ubuntu 14.04. I have connected a Dlink USB 3G modem to Samsung Notebook and set up a WiFi Hotspot on it. So I ...
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184 views

Cannot connect to Internet or Ethernet - Ubuntu 15.10

I installed Ubuntu 15.10 on my computer and I cannot connect neither with a wired nor with a wireless connection. I also have windows on that computer and wifi works there. I've been looking at this ...
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1answer
133 views

Intel Centrino Wi-Fi high ping to router on Ubuntu 15.10

I have an Ubuntu Mate 15.10 installed. Yesterday I noticed that the internet became slow. I've tried to ping router and the latency was something over 2000ms by 6000ms. The temporary fix for that is:...
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1answer
3k views

ssh: connect to host [ip] port 22: No route to host [closed]

The VPN connection was successful, but: $ ssh -X -l cristic 192.168.1.40 ssh: connect to host 192.168.1.40 port 22: No route to host It may be of importance that I am abroad, visiting a friend, ...
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17 views

wireless network doesnot appear in networkmanager and ifconfig

Cannot figureout whats wrong with my wifi. here is the info on my wifi interface. http://paste.ubuntu.com/14115671/ Thank you for your support
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1answer
32 views

Script for checking internet connection and password request

Good morning, I have a home server running Ubuntu 14.04.3 LTS. It's a desktop connected to my wi-fi connection via an USB adaptor. The issue here is that randomly it gets disconnected from the ...
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1answer
163 views

How to forget wireless networks from command line?

Using the command line, how can I make the system forget the wireless networks I previously connected to?
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30 views

Impossible to connect to or find any network after restarting ubuntu

All of my network connections are suddenly gone. The WiFi symbol on the unity panel has vanished, and if I try to access my network connections from the system settings, only an empty list of ...
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1answer
80 views

Ubuntu making an interface as default network interface [duplicate]

I am running an Ubuntu laptop which is connected to WiFi and is capable of accessing internet. There is my old desktop machine which do not have the WiFi card. So I connected my laptop to WiFi and ...
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1answer
224 views

No network connection available [duplicate]

I just installed Ubuntu 14.04 but it does not detect my network. Do I have to do this manually? Or is there an automatic network discovery tool? I am running strictly wireless right now and I did add ...
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1answer
131 views

eth0 down, how to bring it up?

My Laptop has always worked well, but since a couple of days I am experiencing troubles with the Ethernet port of my laptop (HP Pavilion 15 with Ubuntu 15.10). It looks like the cable is not even ...
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0answers
146 views

How do I route all network traffic through OpenVPN using network manager in Ubuntu 15.10?

I am trying to connect to my university's VPN on a 15.10 machine. When I do it via the command line, all the traffic is routed through the VPN: That's what I want. When I load the same OpenVPN ...
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0answers
81 views

FrootVPN L2TP for us-la server

There doesn't seem to be much information available on this. I am trying to connect to FrootVPN's us-la server using L2TP. I've installed strongswan network-manager plugin. I've been trying to piece ...
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0answers
41 views

eth1 inet does not appear after I add it

Here is my interfaces file: And after command ip a s eth1 inet with the ip I have entered does not appear: What have I done wrong? I'm working on VirtualBox.
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119 views

Ubuntu will not recognize USB WiFi adapter

Every time I start Ubuntu it will not read the WiFi adapter. It will just standby and won't even start the driver. Is there any way to fix this on terminal? I have no other way to get internet access ...
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1answer
89 views

How do I set the policy for users to modify the network state and connections?

How can I set the permissions for users to make changes to the network connections and state? For instance, how can I allow/disallow users to connect to new wireless networks? How can I allow/disallow ...
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2answers
62 views

Three infected files in wine-staging. How I should proceed?

An analysis run with clamtk reported three infected files and I wasn't able to remove it from clamtk or in terminal. Its appear in screen as: /opt/wine-staging/lib/wine/fakedlls/clock.exe /opt/...
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82 views

Can I connect to a new wireless connection before login?

I am wondering whether it is possible to connect to a new (not saved) wireless connection before login in as a user. I have some lab PCs and the idea is that the students will use their credentials ...
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0answers
23 views

Setup an Adhoc ap with chosen IP domain

I am connected with my working laptop to a network via ethernet. In that network the IP adresses start with 10.42.0.xxx. Now I want to create an adhoc with that laptop such that another laptop can ...
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1answer
57 views

Can I detect on Ubuntu if Windows XP computer is on?

I would like to measure how much a laptop with Windows XP can run on batteries. I have another computer with Xubuntu that I can use to measure if Windows XP computer is on. But how can I connect these ...
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112 views

long boot time: raising network interfaces

It seems that this is a problem that has troubled a few people. I found a "solution" here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=754218, being "manually remove systemd-sysv, install back ...
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1answer
107 views

ubuntu Network not working

I have an hp laptop. I'm trying to connect to the internet. But i cant seem to connect by both LAN and Wireless. Wireless doesnt list my connection. In fact the 'Wi-Fi Networks' button is deactivated. ...
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54 views

eth0 uuid keeps changing. How do I stop it.

I have an openvpn connection. Every time my ubuntu server reboots the uuid for eth0 changes. Is there a way to prevent that or to have the vpn config point to eth0 by name regardless of uuid? Also ...
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32 views

Networking not working anymore wifi or ethernet

I installed nvidia-340 which left my screen black and Ubuntu running in low graphics mode so I removed it, after this network-manager would crash on startup, I ran ifconfing to see which interfaces ...
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2answers
286 views

ubuntu network connection broken after windows 10 november update

I have a dual boot desktop running windows 10 (pro) and Ubuntu 14.04; everything was running fine until I updated windows 10 to version 1511 (the November 2015 update). Since the update my (wired) ...
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54 views

No Ethernet interface at cold boot Ubuntu 14.04

My Ubuntu desktop does not detects any Ethernet interface at boot but it gets detected at reboot ifconfig -a only shows lo lspci | grep Ethernet 00:19.0 Ethernet controller: Intel Corporation ...
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0answers
555 views

How to connect to WiFi with WPS pin in Ubuntu 14.04

Is there any way to connect to WiFi router with WPS pin? There is a question for previous version of Ubuntu, but I have not wpa_supplicant.conf file. wpa_gui react against correct pin and show "...
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1answer
726 views

Openvpn not working on ubuntu 15.10

I have a problem trying to connect to openvpn on ubuntu 15.10(32 bits). I have 15.04 64 bits and to install open vpn all I have to do is run the command "sudo apt-get install openvpn network-manager-...
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19 views

executing remote user profile for a specific mounted remote file system

I was able to mount my work box locally over my work's vpn. My goal is to run jdeveloper locally on remote files. However, I can't see the files as they are vob objects (clearcase). I can ssh to my ...
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76 views

Network says Wifi Device not Ready

While trying to set up WPS Push Setup, following steps from How to connect to Wi-Fi AP through WPS? it all went wrong. I can't even connect to normal Wifi connections now. Screenshot of Network ...
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232 views

Wifi connection timeouts on certain wifi access points

I have a Dell Precision M4400 laptop with an Intel Wifi Link 5100, running KUbuntu 14.04, which I use almost exclusively on wifi, either at home or on one of the many free wifi locations out and about....
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1answer
324 views

Setting up CyberGhost VPN service on Ubuntu

I have set up an account with CyberGhost VPN service and downloaded the configuration file and followed the tutorial on their website and now when I am trying to connect I get this error: ...
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0answers
215 views

Wireless not working on HP Envy

[SOLVED] I installed ubuntu 14.04 today and unable to connect to the wireless network. I updated using apt-update and apt-upgrade and nothing helped. Please let me know how to proceed. nm-tool ...
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46 views

Can't find only my wi-fi hotspot on xubuntu

I installed latest Xubuntu on HP Compaq 110c. I installed firmware-b43-installer for my network drivers and then I could see wi-fi networks but I can't find my wi-fi network (network is visible on my ...
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63 views

Connecting to a IPSec/L2TP VPN with certificate, key and password

I'm having trouble connecting to a customer's network via IPSec/L2TP from Ubuntu. I successfully connected from a Windows machine, so I know that the VPN is working. I have been given two ...
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325 views

WiFi stopped working after re-sizing root partition, wlan0 gone in Ubuntu 14.04, but works fine in live usb

I needed to increase my ubuntu root partition size. I booted from live USB then resized the partition. After rebooting to Ubuntu everything was ok, but Wifi stopped working and wlan0 is gone from "...
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4answers
1k views

'ip-config-unavailable' error when USB modem tries to connect

I have got a ZTE MF-193E modem which worked fine before. When I bought this modem more than a year ago, it worked readily out of the box. Now, as Ubuntu is progressing in version, things are becoming ...
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1answer
106 views

Wifi not connecting at home but connecting everywhere else - Ubuntu 14.04 LTS

My son has an Ubuntu 14.04 lenovo issued by the school. Recently it won't connect to our home wifi but will connect at school and other wifi networks. I've been reading some of the fix-its listed here ...
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51 views

No Ethernet internet access, and no Wifi Showing up. Works fine on Windows

So I just got Ubuntu installed on my pc today, and had no Wifi available to connect to when I know my wifi was online. And also Ethernet wasn't registering at all. So after fishing around on the ...
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2answers
199 views

“Enable Wireless” option is disabled in network settings

I'm using Ubuntu 15.10 but I'm unable to access Internet wireless. The output for rfkill list all is given below: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: brcmwl-0: ...
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0answers
60 views

Is network manager incapatible with network namespace

I've appreciated the power of network namespace, like there and there. But when I try to replicate the tutorial, it doesn't work at all, and I'm pretty sure that it's because network-manager is ...
2
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2answers
1k views

Where does NetworkManager store WiFi passwords on Ubuntu 15.10?

I had previously learned that NetworkManager stores WiFi passwords in /etc/NetworkManager/system-connections/<wifi name> file. But in my case on Ubuntu 15.10 I can't find any password in that ...
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1answer
3k views

Lenovo Yoga 700 Wifi issues

I've just installed Ubuntu 15.10 on my new Lenovo Yoga 700 (model 80QD). I got it working from command line, and i'm currently using my WiFi to write this, however, the Connection Manager does not let ...
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0answers
116 views

Difference between iwconfig and nmcli

When I run the command nmcli dev wifi in my console I get the list of wifi networks, including the one I'm connected to * SSID MODE CHAN RATE SIGNAL BARS SECURITY * ...
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24 views

I'm trying to setup VPN

I was told to: but the only thing you have to do is to add an at_console policy to /etc/dbus-1/system.d/nm-openvpn-service.conf right between the two already existing policies. user="...
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162 views

Problems with rtl8723be in ubuntu 14.04

I am new to Ubuntu, but not to Linux. I've been using SuSE and later openSuSE since SuSE 6. Now I had to install Ubuntu 14.04 on a HP laptop of a client of mine. This laptop comes with a rtl8723be ...
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1answer
57 views

Odd interface when running sudo ifconfig

So, I've noticed an odd looking interface... Apparently, it has it's own MAC address (which I don't even know where it came from... Attempting to perform an OUI lookup on it returns no results...) ...