when i use command sudo apt-get install git
it's return below erorrs and it's return for any application to install below :
Setting up util-linux (2.25.2-4ubuntu3) ...
update-alternatives: error: cannot stat file '/usr/bin/nodejs': Too many levels of symbolic links
dpkg: error processing package util-linux (--configure):
subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
util-linux
E: Sub-process /usr/bin/dpkg returned an error code (1)
update with sudo apt-get update
not working and report below erorr
Fetched 7,032 kB in 5min 32s (21.2 kB/s)
W: Failed to fetch http://ppa.launchpad.net/paullo612/unityshell-rotated/ubuntu/dists/vivid/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/paullo612/unityshell-rotated/ubuntu/dists/vivid/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
how can fix it ?