Tagged Questions

NetworkManager is an application tool to simplify the multi network model on a single or multiple interfaces.

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36 views

Network Manager Connected - No wifi

Im using Arch and NetworkManager to handle my connection. I can connect fine at boot but randomly at some point inevitable point it will just stop. NetworkManager shows I am still connected but ...
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0answers
20 views

How do I manage resolv.conf with Puppet and NetworkManager?

I have some hosts that have explicitly managed resolv.conf files. I have others that rely on NetworkManager, which does many things including writing the resolv.conf file. Is there a consistent way ...
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23 views

Switching from GSM to CDMA

NetworkManager has crashed and now it's showing CDMA mobile broadband as a GSM device. How I can switch to CDMA mode? I'm using Ubuntu.
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18 views

Fedora can't properly load a .ovpn file (openVPN configuration file)

When trying to use a .ovpn file in Fedora it doesn't load the certificates correctly. It opens the file, but all the certificate spaces are empty and I can't load anything into them. I can manually ...
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2answers
54 views

Why are post-up commands in /etc/network/interfaces ran multiple times at boot?

Here is the content of /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp post-up /etc/network/if-up.d/sshstart And sshstart is a script with the following in ...
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0answers
54 views

nameservers erased after systemctl restart network.service

I'm working on centos 7, and having problematic behaviour when setting network interface from dhcp to static ip configuration. I edit /etc/resolv.conf, and run systemctl restart network.service The ...
1
vote
1answer
90 views

“nmcli nm wifi on” stops hostapd

I have ubuntu 14.04 installed on a computer with a built-in wifi and also a usb wifi. I want to run hostapd on built-in wifi to act as an access point though no connection will be established with it. ...
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3answers
137 views

Listing nameservers in Ubuntu 14.04 without NetworkManager

In Ubunutu 14.04, I want to list the nameservers the machine is using. Normally I would use nm-tool to list them, but it appears NetworkManager doesn't run when no user is logged in via the GUI, and I ...
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240 views

Using OpenConnect for a VPN, Linux Mint 17

I'm trying to setup a VPN connection. My corporate IT team went and hid under a table when I said Linux so you guys are my last hope. I'm trying to port all my the settings from my Windows 7 machine ...
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76 views

network manager not listing wifi

When I use NetworkManager command tool to scan for wireless networks the output is empty. root@radxa:~# nmcli dev wifi list SSID BSSID MODE FREQ RATE SIGNAL SECURITY ACTIVE ...
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0answers
88 views

Connection failed to any VPN!

PPTP VPN and OpenVPN don't connect and both return error about VPN Secret in my CentOS 6.4 x64 machine! I've already tested the configurations in Windows and Ubuntu with no problem. I also noticed ...
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0answers
29 views

How can I find out why I can't connect to a WLAN?

I can connect to a WLAN with ESSID 75% Internet with my laptop, but not with my desktop computer (it also works with my smartphone, but not on my tablet). I can see the WLAN with sudo iwlist wlan0 ...
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17 views

Waking nm up from sleep

nmcli g shows state: asleep. But since nmcli 0.9.10 it is no longer possible to wake up the network manager with sudo nmcli nm sleep false How do I wake it up in the new API?
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33 views

Intel Centrino Wirelsess-N 1030 not getting connected on generic mode in ubuntu 14.04

I upgraded Ubuntu from 12.04 to 14.04. After upgrading neither WLAN and ethernet work and also does not work in recovery mode (enable networking) or root shell. When booting the previous version ...
1
vote
1answer
15 views

Can I assert that a Wi-Fi AP with a higher “quality” will be better in most cases?

I have an application on Raspberry Pi that needs to determine which available Wi-Fi access point to use, with their statistics collected by iwlib beforehand. iwlib or iwlist has three indicies for ...
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1answer
87 views

How to share internet connection over Ethernet using Network Manager?

I have 2 computers, both with Gigabit controllers, connected with a regular Ethernet cable. I have a host machine, which is connected to the internet, and a client machine, which is only connected to ...
0
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1answer
204 views

Cannot start Wifi Hotspot from Fedora 20 - MATE but works on GNOME

I cannot start the Wifi Hotspot on Fedora 20 Mate Desktop Environment from NetworkManager. But when i log off and login to GNOME i am able to start it. I read some stuffs about hostapd but couldn't ...
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0answers
93 views

NetworkManager cannot remember my WiFi password

My system is Gentoo 64bit, with KDE4. I just updated my Gentoo system. And after reboot, it asks me for my WiFi password. But the next I log in, it asks the password again. I checked the settings, and ...
3
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1answer
340 views

Wireless is not working on Lenovo ThinkPad X201 with CentOs 6.5

I am having trouble with wireless connection on my Thinkpad X201 laptop. I installed CentOs 6.5 Minimal. The Wired (cable) internet works perfect. But wireless is not detected. I looked at following ...
2
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2answers
31 views

VPN tunneling through another VPN

in windows you can simply create two pptp connections and after connecting to one of them, easily connect to the other one while maintaining the first. Is there any way to do this (cli or gui) in ...
0
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0answers
363 views

Wicd and NetworkManager both not working in Debian Jessie

I recently installed Debian, and I was able to get the WiFi to work using the command line. After a while, it stopped working. I figured that it had something to do with the fact that my intel iwlwifi ...
1
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0answers
30 views

Passing Environment Variable to NetworManager GUI

My VPN stoped working when I switched to Centos 7. I narrowed the problem to the lack of MD5 support (not strong enough). I followed this thread, and now I can use open-vpn on the command-line to ...
1
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1answer
331 views

rhel 6 default gateway not working

I have six similar RHEL 6 servers in the lab and the settings are same in all the servers. The settings are, static IP address: 129.XXX.XXX.XX Subnet Mask: 255.255.254.0 Default Gateway: ...
2
votes
1answer
106 views

What is the purpose of UUIDs for NICs?

On Fedora/RHEL/CentOS there is a line in /etc/sysconfig/network-scripts/ifcfg-x files which defines UUID: UUID=30fcd648-ad1e-4428-as6f-951e8e4d16df NICs have MAC addresses by them selves, so what ...
2
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3answers
69 views

Why is NetworkManager package name upper case?

All other software packages are lower case, so why NetworkManager upper case?
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0answers
651 views

Run root script or command as root in startup application in linux mint

I have a wireless adapter that used to work in Linux mint 16 (dwa 171) after installing drivers for it. Now it won't work the same way anymore since I upgraded to linux mint 17. I've found the only ...
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2answers
462 views

How to connect to an 802.1x wireless network via nmcli

I am able to connect to 802.1 networks via the nm-applet. I do not like doing this as I am running without a nm most of the time and I would hate to load up one just to connect to a wireless network. ...
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0answers
304 views

nmcli freedesktop DBus warnings and errors

As soon as I do nmcli con up id <ESSID>, I experience some warnings/errors: ** (process:4841): WARNING **: async_got_type: could not read properties for ...
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0answers
35 views

Why I cannot disconnect internet

When I run the command nmcli dev disconnect iface eth0 to disconnect the internet connection, it is disconnected and and after a few sconds the KDE network icon changes to and internet is ...
3
votes
1answer
165 views

update nm-applet settings on Ubuntu command line

I am running Linux on VMWare on MAC. I am using Dongle to connect to external networks. I have created a hotspot, which works perfectly fine. The only problem is that when I stop hotspot my ...
3
votes
0answers
179 views

Import VPN config files to NetworkManager from command line

One can import .ovpn files to NetworkManager through GUI tool nm-connection-editor (right click on nm-applet and click on Edit connections): Add -> Import a saved VPN configuration.... My goal is to ...
5
votes
1answer
4k views

How to auto generate resolv.conf on Centos 6.5

I just installed CentOS 6.5 and configured the following files: /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 HWADDR=aa:bb:dd:dd:ee:ff TYPE=Ethernet UUID=adfddfaf-9sda-adse-dfs4-asdfsdfdfg97 ...
3
votes
2answers
612 views

WiFi not working after restoring from hibernation (authentication times out)

My Intel 6205 wireless network card does not work after hibernating. It sometimes also does not work on boot, failing in the same way. Occasionally, it also stops working after ~10 minutes of ...
3
votes
1answer
104 views

Issue with network switching

I have a desktop PC running debian that has two network cards installed. One network card is connected to a secure company network and requires a static IP. The other network card (eth1) is connected ...
1
vote
1answer
181 views

How do I edit the hotspot configuration for Network Manager?

Running Arch/Linux with everything up-to-date and I use network manager's built-in hotspot function to share my Internet. I'm trying to edit the configuration (mostly the password, as I don't like ...
0
votes
1answer
578 views

RHEL5/6/7 : If NM_CONTROLLED is not set what is the default value?

If /etc/sysconfig/network-scripts/eth0 does not include any NM_CONTROLLED setting on a RHEL-based distribution, what's the default behaviour? Is there any difference in the default setting between ...
2
votes
1answer
245 views

Check for plugged in network cable on startup

I actually wanted to post the below as an answer to this question titled: ifup eth0 timeout during boot. But am not sure if this is right approach or it's a way of screwing up things badly. We can ...
2
votes
2answers
848 views

How do I know why NetworkManager failed to initiate the VPN connection?

I'm running Arch Linux, and recently updated the whole system. Now I every time I connects to VPN with nmcli command, if it fails, I couldn't figure out the reason: NetworkManager[15967]: ...
2
votes
1answer
55 views

Failed to open netctl@.service configuration file

I have installed Network Manager, I don't have netctl installed. Whenever I boot my Linux computer I get the following error message: systemd[1]: Failed to open configuration file ...
1
vote
1answer
77 views

How does Fedora name wireless interfaces?

Until recently, my network interfaces were always named eth{0..x} or wlan{0..x} depending on what type they were. However, now I see that I have em1 for the ethernet card and wlp3s0 for the wireless. ...
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0answers
82 views

Constant prompt for WPA2 password in Fedora

I asked on the Fedora forums but no one responded so I am asking here. I am on Fedora 20 with Gnome 3. My machine is the Dell XPS 13 which has an Intel 7260 rev 6b wireless card. I connect to my ...
1
vote
1answer
145 views

No programs will launch after disconnect from a internet network

I'm using Arch Linux + Xfce. When I disconnect from a internet network(WiFi or Wire), no programs will run and gets me following error: [kamix@localhost ~]$ gedit No protocol specified ** ...
1
vote
1answer
181 views

A question about wlan0 / eth0 and wireshark

I'm using wireshark to listen to packets on my own personal home network. I have my Desktop with Debian and Windows 7 running and my laptop is running the same setup; Debian and Windows 7. I ...
0
votes
1answer
2k views

Setting up hostapd with a iwlwifi device to run a hotspot

I am trying to configure my opensuse 13.1 system to function as a hotspot (on my dell xps13 computer). So I tried setting up hostapd as explained here, but I get an error: hostapd ...
1
vote
0answers
179 views

Can only initialize Ad-hoc mode after restarting iwlwifi mod and network manager

I am running Ubuntu 12.04.4 with network interface: *-network description: Wireless interface product: Centrino Advanced-N 6235 vendor: Intel Corporation ...
7
votes
4answers
3k views

Cause a script to execute after networking has started?

I am relatively new to systemd and am learning its architecture. Right now, I'm trying to figure out how to cause a custom shell script to run. This script needs to run after the networking layer has ...
1
vote
1answer
378 views

NetworkManager no longer auto-connects on login

I've configured nm-applet to run during X login, and I've connected to my home Wi-Fi network many times. Recently it no longer tries to connect to the network after logging in. In the connection's ...
4
votes
3answers
2k views

How to configure a computer as a hotspot?

I use OpenSuse 13.1 (with KDE). On my phone I can turn on a hotspot just by pushing a button. I have been researching how to do this on linux, I haven't found an easy way yet. What I want to ...
1
vote
0answers
54 views

OpenVPN not connecting on one network?

I've been using my VPN (privateinternetaccess) for almost a year. I've been connecting through the same gateway, using the same username and password, with the same settings. Yesterday, it randomly ...
4
votes
1answer
319 views

Why is this static route not taking effect?

Original Question I am running Ubuntu and network manager. I have two different interfaces, eth0 and eth1. Network manager has (as far as I can tell) correctly added this manual route: ~$ ip route ...