I am using Ubuntu 12.10. Since Ubuntu 12.10 has reached "end of life" I am unable to download and install softwares which I require. when I type the following command in terminal I get the following message.
$ do-release-upgrade -d
Checking for a new Ubuntu release
Your Ubuntu release is not supported anymore.
For upgrade information, please visit:
http://www.ubuntu.com/releaseendoflife
Err Upgrade tool signature
404 Not Found [IP: 91.189.91.13 80]
Err Upgrade tool
404 Not Found [IP: 91.189.91.13 80]
Fetched 0 B in 0s (0 B/s)
WARNING:root:file 'raring.tar.gz.gpg' missing
Failed to fetch
Fetching the upgrade failed. There may be a network problem.
The command "Ubuntu-support-status" gives the following...
ashish@Ashish:~$ ubuntu-support-status
Support status summary of 'Ashish':
You have 1987 packages (100.0%) that can not/no-longer be downloaded
You have 0 packages (0.0%) that are unsupported
Run with --show-unsupported, --show-supported or --show-all to see more details
Can you tell how to upgrade Ubuntu 12.10 to Ubuntu 14.04 LTS or any other version...
sudo apt-get update
– LittleByBlue Aug 04 '14 at 08:25