Hot answers tagged upgrade
I was having the same problem with Ubuntu 14.04 dual boot windows system running grub. It appears there was a legacy grub that was part of the upgrade process from prior versions of Ubuntu. Ubuntu 9.10 and later should use grub2 which does not refer to menu.lst. See: Community Help /Grub2 The following will update grub to function entirely as grub2 ditching ...
As muru suggested, disabling Puppet repos allowed for the upgrade to continue.
Kernel 3.19 is not installed for some reason. Run sudo apt-get install linux-generic and it will be fixed.
All of what you did is just right. But you miss to do one important thing. sudo ppa-purge ppa:ubuntu-toolchain-r/test sudo apt-add-repository --remove ppa:ubuntu-toolchain-r/test And manually removed the PPA file from /etc/apt/sources.list.d as well as the keyring. Now before doing sudo apt-get upgrade you should make sudo apt-get update ...
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