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Try this In /etc/NetworkManager/NetworkManager.conf comment out the line dns=dnsmasq sudo nano /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile,ofono #dns=dnsmasq and restart the NetworkManager service. sudo restart network-manager Then sudo rm -f /etc/resolv.conf # Delete the symbolic link and sudo nano /etc/resolv.conf ...


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xxx.xxx.xxx.xx4:25565 Based on what you said I am sure that you haven't used this xxx.xxx.xxx.xx4 specific IP in the server start process or server configuration. As long as you bind this port to that specific IP it can be easily used by any other IP. For example http://www.csbestial.com is having 3 servers on differnet IPs but same Ubuntu box. When he ...


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Came across this issue as well on 15.04. Same symptoms and errors as OP but killing/re-starting the nm-applet wouldn't fix anything. The solution for me was to edit the configuration file for my network interface located at /etc/NetworkManager/system-connections/Wired\ connection\ 1 I added the relevant parts of my 802.1x settings in the file and it ...


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I opened a bug report for this issue as it happens to me as well. It would be really important to find a way to reproduce this issue! https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1458340


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You have several possibility to change the default route. Nice place for this kind of action is in /etc/network/if-down.d/ or /etc/network/if-up.d/ You can in this folder put some script and make action. For example put this script in /etc/ppp/if-up.d/ to make default route to ppp0 interface every time when go up, make script called script with execute ...


0

after analyzing System logs carefully this solution worked for me Cause Of Problem: Multiple modes of modern dongles. Solution: 1. gedit /etc/usb_modeswitch.conf 2.add this code to diable usb switching at the top. DisableSwitching=1 3.save it. 4.insert usb again 5.eject usb cdrom by right click eject it or using. sudo eject /dev/sr1 ...


1

This is most likely a configuration problem on the server side. The vpn server should only push domains that he can resolve. For example if you use an openvpn server a user configuration might look like this: ifconfig-push 172.16.0.51 255.255.255.0 push "route 172.16.1.0 255.255.255.0 172.16.0.1" push "route 192.168.2.0 255.255.255.0 172.16.0.6" push ...


0

I had a pretty similar problem with my ZTE USB modem and it turns out it was getting mounted as a CD unit. This is how I solve it: Step 1: Use lsusb to verify your usb modem is detected sergiotca@sergiotca-Dell-System-XPS-L502X:~$ lsusb Bus 002 Device 003: ID 8086:0189 Intel Corp. Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub ...


0

Blacklisting ideapad_laptop is not a best solution, because some features like Fn buttons may be disabled too. Here is the bug report I made a patch that fixes this issue. Before this patch reaches stable kernels you can use patched module from my ppa. Install it this way: sudo add-apt-repository ppa:hanipouspilot/ideapad-laptop sudo apt-get update sudo ...


0

I had the same problem on Lubuntu 14.04 after an upgrade. I tested parts of antiplex answer: killall nm-applet dbus-launch nm-applet seemed to help. So for me it was enough to go to Preferences --> Default applications for LX Session --> Autostart, uncheck Network and add dbus-launch nm-applet


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Network manager is in fact a (local) server, that acts on requests of a (local) client. This client is normaly the network applet in a desktop and thus of course belongs to a GUI session. Small explain ----------------------------------------------------------------------------------------------------------------------------- | run level | name ...


0

You certainly need to change /etc/hosts to reflect that change. Look at How do I change the hostname without a restart?


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I use wicd-curses, which I find to be the easiest user interface by far. You need to use the → (right arrow key ->) to set configurations; everything else is obvious from the on-screen instructions. Of course you need to find some way of getting on the internet without wicd; I'm assuming you have already solved that or else you wouldn't be posting. ...


0

Without knowing much about your aprtment's Internet Service Provider (ISP), as well as how your apartment's network (AN) is managed, it is hard to give a solution. Dynamic Vs Static IP addresses Three levels of difficulties First: IP address assigned by ISP For most home users ISPs provide a single dynamic IP address. This means the IP address can change ...


0

Probably is the problem with libgcrypt11 Try to upgrade or rool back version of libgcrypt11. Curent version of libgcrypt11 you can see with command dpkg -s libgcrypt11


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My solution was to edit /etc/network/interfaces and removed the line with my wired ethernet connection. So long as the connection is listed in the interfaces file network-manager considers it as unmanaged (i.e. network-manager doesn't manage it), hence the nm-applet doesn't reflect the connection status. I rebooted after editing and the nm-applet behaved!


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This might be Ubuntu bug 1408963. I suspect my issue, which appears the same as yours, is one of competing network managers. In my case, wicd and network-manager. Even though I only had one of them running in my system tray (nm-applet, the GNOME front end to network-manager), I'd still mysteriously lose my connection every once in a while. My previous ...


0

So I had the same problem after updating from 14.10 to 15.04.; the networks were still connecting, but the network manager didn't show any connections or interfaces. What solved it for me was doing sudo apt-get dist-upgrade as some packages were held back. The network manager in Cinnamon looks good again.


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Open the file /etc/network/interfaces in your terminal sudo nano /etc/network/interfaces Add this line: iface eth1 inet manual Save the file and run sudo service network-manager restart or sudo systemctl restart network-manager.service Source


0

You can install a better driver for that chip. Run these commands. sudo apt-get install git git clone https://github.com/lwfinger/rtlwifi_new.git cd rtlwifi_new make sudo make install And reboot.


0

You can try to flush the IP tables with 'sudo iptables -F' If it doesn't work, you can als try to remove the relevant config files from '~/.config'


0

To scan local network you can use arp-scan or netdiscover sudo arp-scan -local you will get output on all pc on the lan xxx@xxx ~ $ sudo arp-scan -local [sudo] password for xxx: Interface: eth0, datalink type: EN10MB (Ethernet) Starting arp-scan 1.8.1 with 256 hosts (http://www.nta-monitor.com/tools/arp-scan/) xxx.xxx.xx.2 6c:62:6d:ce:71:0c ...


0

the command nmap is useful to quickly scan networks. To install nmap, sudo apt-get install nmap. Once it is installed, run the command nmap -sP 10.10.1.0/24 Replace 10.1.1.0 with yours Another solution the command arp will show you a list of the IP's in your network plus the MAC addresses associated with. run the comamnd arp results Address ...


1

You can install the driver this way. Connect to Ethernet and run in terminal: sudo apt-get install git git clone https://github.com/lwfinger/rtlwifi_new.git cd rtlwifi_new make sudo make install And reboot. Wifi should work.


-1

If you computer has a wifi card then what you can do is connect you computer to Ethernet cable (it looks like the telephone lan line cable) the connect it to your wireless router, after that you go in to settings then software and updates then on the top tabs you select aditinal drivers, after that wait for the network driver to pop up then in stall it now ...


0

To connect to PPPoE/DSL using NetworkManager on 15.04 requires installing the pppoe package, which was not installed by default on my Lubuntu 15.04. sudo apt-get install pppoe I've reported this bug: https://bugs.launchpad.net/ubuntu/+bug/1455219


1

I had the same problem, and tried the downgrade of libcrypt11 ... fresh install of 14.04.2 LTS 64-bit, and so the downgrade was not in the repository and I had to download the deb and use dpkg to install it: curl http://launchpadlibrarian.net/122471093/libgcrypt11_1.5.0-3ubuntu2.1_amd64.deb >lc.deb sudo dpkg -i lc.deb The downgrade didn't work, however ...


0

There's no simple way to do this in a GUI, I believe. However you can try to use a so called PAC (Proxy Auto Configuration) script. This works for programs that obey the proxy settings in Ubuntu or for programs that can be set independently to a proxy like Firefox. However you need to do a bit Javascript programming. Basically you can make the script to ...


0

I figured it out. I'd like to thank Mitch for suggesting the Broadcom Driver. I went and installed it, initially to no avail, BUT it did get me searching for broadcom driver related issues and found one of the answers here. What I needed to do was put in # blacklist bcm43xx in the terminal, and now I have no problems.


0

I found a solution here. First, figure out the UUID of your VPN connection. nmcli con list | grep -i vpn The UUID is the second column with the letters, numbers and dashes. Simple solution: Add the following command to the startup application list. (Follow the above link to see how.) nmcli con up uuid <put you UUID here> Complicated/Advanced ...


3

What you can do is to use nmcli dev list iface wlan0 to view information for your wireless interface, same as listed in nm-tool although in somewhat different format. To view info for alll interfaces, use nmcli dev list . There is a lot of material , so you can pipe it all into less like so : nmcli dev list | less And here is a little one-liner I ...


14

Please read the 2015-01-27 changelog for network manager. A snippet form all the changes ... network-manager (0.9.10.0-1) unstable; urgency=medium New upstream release. Exclude libtool .la files from list-missing. Update symbols files. Update Build-Depends as per configure.ac. Build and install nmtui, a curses-based interface for easier ...


0

I am not sure I understand everything you say. But NetworkManager saves into the keyring your openVPN password unless you tick/check the "Allow all users to use this connection" in the VPN configuration in NetworkManager applet. So if you checked that checkbox, the password is saved in /etc/NetworkManager/system-connections/YourOpenVPNConnectionHere You ...


0

If you have networking and can ping by IP address or hosts listed in your /etc/hosts file, but can't browse to websites, it sounds like improper DNS resolution. Some quick tests: $ ls -l /etc/resolv.conf lrwxrwxrwx 1 root root 29 Apr 23 09:44 /etc/resolv.conf -> ../run/resolvconf/resolv.conf $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for ...


1

You can change the timeout of nm-online to something like 10: Edit /lib/systemd/system/NetworkManager-wait-online.service as root or using sudo. Look for the lines: [Service] Type=oneshot ExecStart=/usr/bin/nm-online -s -q --timeout=30 Change 30 to whatever you like. 10 worked well for me. But beware this may break services that depend on it. Source


1

Had the same problem in Ubuntu Mate 15.04. "sudo pppoeconf" in terminal got a working DSL connection. It asks several configuration questions, then it is possible to connect with "pon dsl-provider" and disconnect with "poff dsl-provider". Added two buttons with these commands on panel and removed network-manager from startup apps for now.


0

I accepted 2707974's answer (great name) but here for anyone wanting to automate this stuff with a one-liner to change from 1.2.3.4 to 5.6.7.8 sudo find /etc/NetworkManager/system-connections/ -type f -name "Wired*" \ | while read c ; do sudo sed -i 's/1\.2\.3\.4/5.6.7.8/g' "$c" ; done ; \ sudo service network-manager restart Of course this assumes ...


1

All configuration from Network Manager are in /etc/NetworkManager/system-connections/ On this please you will find Wired connection 1 witch is probably configuration file of you lan connection. You can edit it sudo nano /etc/NetworkManager/system-connections/Wired connection 1 [802-3-ethernet] duplex=full mac-address=00:22:64:4E:6F:70 [connection] ...


1

It seems that network-manager is broken. Download network-manager packages by following command while internet connection is active. sudo apt-get install -d --reinstall network-manager network-manager-gnome Purge network-manager packages. sudo apt-get purge network-manager-gnome network-manager Reboot the system and re-install it. sudo apt-get ...


0

The problem that I am seeing is that with the 15.04 upgrade and all of these fixes, I can get the laptop to connect to an NG-mixed station but not to an N-only station. All of my wireless AP's were set to N-only, and I have had to revert them to NG-mixed to get the connection.


0

If you hold Alt and right click on the panel you can delete the panel.


0

I noticed that when I upgraded, I too had no wi-fi on both my laptops. What I had manually connect to my internet connection again. After that it was all OK, but if I had not of done it the first tiem, I would not of got back on to the net.


4

Found an answer: sudo mv /lib/firmware/iwlwifi-3160-12.ucode /lib/firmware/backup-iwlwifi-3160-12.ucode sudo mv /lib/firmware/iwlwifi-3160-10.ucode /lib/firmware/backup-iwlwifi-3160-10.ucode Reboot. Seems to be an issue with the firmware. After reboot I was able to connect again, so for me it is working.


1

Well, you only installed one of a few things you need. Follow PIA's instructions for Ubuntu 12.04 to the later: Install these packages. sudo apt-get install openvpn network-manager-openvpn network-manager-openvpn-gnome Add a new OpenVPN connection. Select a host from their network page. You want to create a Password connection. I created a folder in ...



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