I was able to workaround this issue by following the instructions here:
http://askubuntu.com/a/727462
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https://bugs.launchpad.net/bugs/1127151
Title:
The system network services are not
Just upgraded and rebooted. Experienced this issue on 14.04. Tried
previous kernel. Tried suggestions in this thread. Tried re-installed
NetworkManager and all of its dependencies. The issue persists.
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I was just hit by this bug as well on 14.04LTS
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https://bugs.launchpad.net/bugs/1127151
Title:
The system network services are not compatible with this version
To manage notifications
I realize this is an old thread but this issue persists even on ver 14.04.
I am trying to edit the /etc/NetworkManager/NetworkManager.conf to:
[ifupdown]
managed=false
Changed to
[ifupdown]
managed=true
I am unable to save the file however as it is a Root owned read only
file. What do I need to
Sorry it was
[ifupdown]
managed=false
Changed to
[ifupdown]
managed=true
and restarted
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https://bugs.launchpad.net/bugs/1127151
Title:
The system network services are not compatible
as per the answers.ubuntu.com thread linked above. To solve this issue
I had to manually renable "management" by editing
/etc/NetworkManager/NetworkManager.conf as follows:
[ifupdown]
# managed=true
managed=true
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Bugs, whi
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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Tit
I have had a similar issue.
I have a static eth0 configuration in /etc/network/interfaces.
After removing the corresponding lines, network-manager als Network
Configuration works again (perhaps after a reboot).
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I had extra line in /etc/network/interfaces
MTU 9000
probably left from long a time ago in some older version of ubuntu, when
interfaces were configured manually with ifup scripts.
Now I left only
auto lo
iface lo inet loopback
and network manager works now and network is started in startup.