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

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3
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3answers
2k views

Cannot make wireless “forget” networks to which it cannot connect

I see that I can delete networks that my machine "remembers" from nm-applet by clicking on the wireless icon in the panel and selecting "edit connections" -> "wireless". However, sometimes I click on ...
24
votes
3answers
13k views

What is the difference between Network Manager and 'ifconfig' 'ifup', etc?

Ubuntu seems to provide at least two network "toolsets" (for lack of a better term). I'm running into conflicts between these two. Network Manager Something which is more like the traditional ...
0
votes
0answers
11 views

Can't read permanent MAC address and adapter has no association?

I'm using a Rosewill RNX-n180ube USB wireless adapter on Ubuntu 12.04 64x. I've found two things to be strange that I want to fix. To start, when I put the connection down to use mac changer I get ...
0
votes
1answer
18 views

What could cause “Waiting for network configuration” + 2 minutes unskippable hanging at boot when no network interfaces are configured?

After installation of a bunch of unknown programs (the program causing the problem must have been in the long list of dependencies, /var/log/dpkg.log contains > 38000 entries for the relevant dates) ...
2
votes
4answers
5k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
2
votes
3answers
4k views

Huawei E303C Problem / Problema con Modem Huawei E303C

TRANSLATED: I am really a new Ubuntu user, but for some time ago, I have tried Xubuntu and I liked it. Because of this I went a little further to Ubuntu. Right now, I am having this problem. I use ...
0
votes
1answer
386 views

Network manager auto-connect to wifi-network fails

Network manager (nm) does not auto-connect to a configured wifi-network (e.g. "net-a") after upgrade from 13.04 to 13.10. Before the upgrade nm auto-connected to the pre-configured wireless network ...
0
votes
0answers
28 views

Ubuntu doesn't connect to ethernet, it works only on second connection

I have ubuntu 14.04 running on a lenovo w540 About a month ago suddenly I had no ethernet connection, At the begining it worked only if I type sudo dhclient -v eth0 I played a little bit, and re ...
-1
votes
1answer
183 views

Updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS)

After updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS) $ uname -r 3.8.0-030800-generic $ ifconfig -a eth1 Link encap:Ethernet HWaddr 9c:2a:70:cd:f2:c5 ...
2
votes
2answers
4k views

Can't connect VPN pptp on 13.10

So I am having the exact issue as was happening in this question here I have also installed a VPN connection via NetworkManager and getting the exact same stack trace. I've looked at ...
0
votes
1answer
79 views

Ubuntu 14.04 LTS identifying Wireless/Lan but will not connect

Just installed Ubuntu 14.04 LTS on my newly built machine. TP-Link TL-WDN4800 PCI Express Wifi Adapter Gigabyte 970A-D3P Mobo, MSI R7 265 GPU, blah blah blah. Anyway. When I first booted, Ubuntu ...
-1
votes
0answers
29 views

Ubuntu 14.04 How to forward LAN network through wifi hot-spot?

I am trying to share my LAN connection via eth0 through a wifi hot-spot (wlan0). I used hostapd to start the configuration but all the tutorials that i have found need a dhcp server installed. Can ...
0
votes
1answer
164 views

How do I fix WLAN hot key to toggle wireless state instead of airplane mode?

I've got a Lenovo ThinkPad Edge E520 laptop (model 1143-3BU). Whether running Ubuntu 14.04 or Linux Mint 17 Cinnamon, its wireless hot key Fn-F9 correctly generates the XF86WLAN keysym and reliably ...
0
votes
2answers
699 views

Connection to openVPN Access Server

we are using an openVPN Access Server and I would like to connect to it via the VPN network setting (network-manager-openvpn). I downloaded the client.ovpn and I can connect to the server via the ...
-1
votes
0answers
23 views

How to change appearance of network-manager

How can i change appearance of network-manager in xubuntu 14.04 from this to (screen shot of installed package network-manager-gnome in synaptic)that
0
votes
0answers
28 views

Kubuntu Network Manager setting wrong route when using OpenVPN

When I use the build in OpenVPN functionality of the KDE Network Manager in compairsion to the native openvpn program, I wont get any connection to the internet. I have a Ubuntu OpenVPN server ...
1
vote
0answers
17 views

Network Bonding Ethernet and Wifi

I am trying to bond my Ethernet (eth0) and Wifi (wlan0) connection to increase aggregate bandwidth. (They are both on different networks with different bandwidth allocations.) So far I've attempted ...
0
votes
0answers
19 views

I can no longer add a static route for a single host with /32 subnet mask in /etc/network/interfaces

Everything was working fine until today's reboot for updates. Basically I have a server with 2 network interfaces. One is the primary interface eth0 with internet connection. The other interface eth1 ...
5
votes
7answers
59k views

“Enable Wireless” option is disabled in network settings

I'm using Ubuntu 11.10 (dual booted with Windows 7) but I'm unable to access Internet wireless even though I can do so on Windows 7. The output for rfkill list all is given below: rfkill list all ...
5
votes
2answers
3k views

How can non-admin users connect to Wi-Fi networks?

I'm trying to configure PolicyKit so that other users are allowed to configure Wi-Fi connections, but my changes don't seem to bring any results at all. When a non-admin user tries to connect to a ...
1
vote
1answer
71 views

Ubuntu 14.04 booting system without full network configuration

I've messed around with my network settings lately and I have no idea what I've done, but now my wifi doesn't seem to be working right. When I boot my system up I get the message booting system ...
0
votes
2answers
4k views

ifconfig eth0 eth0: error fetching interface information: Device not found

I'm new to Ubuntu. In my system WIFI is working fine but Ethernet is not working fine. ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ...
0
votes
2answers
24 views
0
votes
1answer
16 views

Why does booting fail when /etc/network/interfaces file is misconfigured

I often edit /etc/network/interfaces file to setup ad-hoc connection among PCs. If I happen to reboot the system, the system waits for a long time saying 'Waiting for Network Configuration...'. ...
0
votes
0answers
8 views

How to take a screenshot without make the NetworkManager applet close?

I want to take a screenshot of the NetworkManager applect because it doesn't work as expected for me. When I press PrtSc button, a screenshot is made but before the screenshot is take, the "popup" of ...
0
votes
0answers
20 views

Can't connect to wifi because the password is short

I'm using Ubuntu 14.04 and I can't connect to a specific wpa password-protected wifi network because that password is less then 8 characters . I tried to connect by terminal using wpa_supplicant but ...
6
votes
4answers
29k views

How do I fix DNS resolving which doesn't work after upgrading to Ubuntu 13.10 (Saucy)

After upgrade to 13.10 my DNS resolving fails. It seems the DNS servers which I get by DHCP (LAN) are not used. I could temporary solve the problem by adding nameserver 8.8.8.8 to /etc/resolv.conf. ...
2
votes
3answers
2k views

problem im my key 3G “Connection activation failed” in 14.04

I have a little problem in my Trusty. To beginn with, my mobile broadband works 100% but there is another connection that appears to be simultaneous. /605020701514404/context1 ...
0
votes
0answers
42 views

Cannot connect to home Wifi in Ubuntu 14.04

I'm a novice. I have been using Ubuntu 14.04 in dual boot with Windows 7. I can connect to my home Wi-fi using Windows 7, but it just doesn't show up on my network list in Ubuntu. I have tried ...
5
votes
3answers
2k views

Unable to connect to VPN using gnome-network-manager

I originally wanted auto-connect vpn upon login, but after much trial and error and connection issues it looks like my network manager is corrupt. Unity ubuntu 1404 When I try to connect via ...
3
votes
1answer
5k views

Reset network configuration in ubuntu 12.04

My DSL internet did not connect by network-manager! So I tried to use sudo pppoeconf and my laptop connect to internet successfully. After that my problems are started! First of all network-manager ...
3
votes
7answers
3k views

nm-applet does not work Ubuntu 14.04

The network manager 'nm-applet' has disappeared from the unity panel of my Ubuntu 14.04. When I try to run it from the commad line, I receive an error: $ nm-applet nm-applet-Message: using ...
1
vote
1answer
108 views

How can I get a network applet in MATE panel?

I have Ubuntu MATE 14.10. Today, I accidentally removed the applet from the panel which lets me choose the WLAN network. How can I get it back? (The same applet seems to have shown the battery ...
2
votes
3answers
11k views

How to restart WiFi connection?

I think I do not have problem with hardware. Sometimes the WiFi connection simply disconnects, apparently. So this is not necessarily the same as this case, I might not need to reload any modules. ...
0
votes
5answers
3k views

How to change MAC of wlan0?

Can anybody tell me the way to change MAC of wlan0? I have tried macchanger commands but nothing works (Ubuntu 12.10-Broadcom Network Adapter). This is what I am getting: I have tried the ...
0
votes
0answers
24 views

Is some cisco AnyConnect client plugin exists for network manager?

I'm using Ubuntu 14.10 x64. I successfully installed cisco anyconect vpn client from SSL VPN Service portal of my employer (I downloaded vpnsetup.sh script, executed it and can successfully connect to ...
0
votes
0answers
45 views

Configuring VPN client by network-manager/pptp-linux

I am trying to configure VPN client by network-manager-pptp/pptp-linux on ubuntu. Connection failed after configuring vpn, here is the syslog, ...
0
votes
0answers
19 views

Network applet not working

My question is regarding the command nm-applet I am receiving the following error whenever I am typing this into the terminal. ** (nm-applet:7225): WARNING **: Couldn't connect to accessibility ...
0
votes
0answers
29 views

Network Manager gui link to terminal network config listing 14.04

I am using 14.04. I am trying to figure out how the connections listed in Network Manager's GUI: is connected to the files found in /etc/NetworkManager/system-connections/ ...
0
votes
1answer
26 views

IP configuration for multiserver

I have currently a server with IP 127.0.0.1 and Client with IP 127.0.0.2. I want to create a middleman-server in between them which should also work as a server. How should i assign IP to this new ...
0
votes
0answers
20 views

How to see log of nmcli “Network connection failed :unknown reason”

My country has network block, so when i use "nmcli connection up uuid", it always show "connection establish successful" and then show "Network connection failed :unknown reason:" right now, I find ...
0
votes
1answer
18 views

Fail to resolve ip address

I tried to diagnose internet problem myself ifconfig: eth0 Link encap:Ethernet HWaddr f8:a9:63:3f:9e:97 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 ...
23
votes
9answers
37k views

What is the proper way to change the DNS IP?

I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds. To work ...
2
votes
2answers
2k views

Why Network Manager Can't Detect My ZTE USB 3G Modem!

I am using ubuntu 12.10. I use a ZTE USB 3G Modem to connect to internet. I connect that modem through a driver software which was provided with the modem. This modem works fine. I can browse , use ...
0
votes
2answers
27 views

Every time I boot into my computer my internet runs at full speed (50Mb/s) after about 10 minutes it drops to (6Mb/s)

The only way I can fix it is to change to wicd, then it does it again, so I'll change back and forth between wicd and network-manager. any ideas on what's causing this? I have a full duplex rtl8169, ...
19
votes
3answers
23k views

How can I troubleshoot “VPN Connection Failed”?

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there:
2
votes
0answers
55 views

How do I force nmcli to reconnect to different uuid?

I have a bash script that checks my network environment and mounts shares accordingly. If I'm at work and have a hard-wire connection to the LAN, then I'd like to activate a hotspot connection for ...
2
votes
1answer
2k views

SSID of my wireless network is missing in Ubuntu 12.04 I can see other SSID's

I am unable to connect to the wireless network from Ubuntu 12.04 where as I can connect to the same wireless network via Windows 7, here is a snapshot of connected network in Windows 7 the SSID to ...
0
votes
1answer
23 views

How to edit gnome settings in config file(.xmll or other)

I enable connection notification with following: gsettings set org.gnome.nm-applet disable-connected-notifications false gsettings set org.gnome.nm-applet disable-disconnected-notifications false ...
0
votes
2answers
2k views

How to save VPN passwords with NetworkManger for nmcli?

There are many posts about putting VPN passwords into /etc/NetworkManager/system-connections/<connection>. I can't get any of them working on Ubuntu 12.04. The fields in the questions and ...