Updating connection failed nm ifupdown connection


12-Jan-2016 07:18

Edit /etc/network/interfaces and enter the following values.

While I was installing Ubuntu 14.04 I had some issues with graphic card drivers so I needed to install drivers from root, I created adsl connection using pppoeconf.

Below this instruction you should add these two instructions: ifconfig wlan0 down ifconfig eth0 down So, the file should be this way: stop) ifconfig wlan0 down ifconfig eth0 down EXITSTATUS=0 After doing this, save the file, close it and restart or shutdown Ubuntu and verify if the problem continues.

HI, i tried using the below solution for shutting down / restarting but when i try to save the changes it says i dont have permission.

Sep 25 laptop Network Manager[928]: nm_system_iface_flush_routes: assertion `iface !

updating connection failed nm ifupdown connection-81

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First solution is to get down and dirty with the command line, it takes less than 2 minutes.Sep 25 laptop nm-openvpn[7178]: UDPv4 link local: [undef]Sep 25 laptop nm-openvpn[7178]: UDPv4 link remote: [AF_INET]173.94Sep 25 laptop nm-openvpn[7178]: WARNING: 'link-mtu' is used inconsistently, local='link-mtu 1541', remote='link-mtu 1542'Sep 25 laptop nm-openvpn[7178]: WARNING: 'comp-lzo' is present in remote config but missing in local config, remote='comp-lzo'Sep 25 laptop nm-openvpn[7178]: [server] Peer Connection Initiated with [AF_INET]173.94Sep 25 laptop nm-openvpn[7178]: TUN/TAP device tun0 opened Sep 25 laptop nm-openvpn[7178]: /usr/lib/Network Manager/nm-openvpn-service-openvpn-helper tun0 1500 1541 10.8.0.6 10.8.0.5 init Sep 25 laptop Network Manager[928]: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/tun0, iface: tun0)Sep 25 laptop Network Manager[928]: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/tun0, iface: tun0): no ifupdown configuration found.Sep 25 laptop Network Manager[928]: VPN plugin state changed: 4Sep 25 laptop dbus[837]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)Sep 25 laptop dbus[837]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'Sep 25 laptop nm-openvpn[7178]: write to TUN/TAP : Invalid argument (code=22)Sep 25 nm-openvpn[7178]: last message repeated 2 times Sep 25 laptop ntpdate[7225]: no server suitable for synchronization found Sep 25 laptop nm-openvpn[7178]: write to TUN/TAP : Invalid argument (code=22)Sep 25 nm-openvpn[7178]: last message repeated 3 times Sep 25 laptop avahi-daemon[926]: Withdrawing workstation service for tun0. In their setup guide they give instructions only for Windows and Android, but I should be able to use that info on Linux as well, i.e. Unfortunately, after setting up my VPN connection in the network manager, the connection fails.

Here's a syslog output: VPN connection 'VPN connection 1' (Connect) reply received.Sep 21 giulio-Lenovo-G580 pppd[8800]: Plugin /usr/lib/pppd/2.4.5/loaded.