1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 | bladernr@critical-maas:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS" bladernr@critical-maas:~$ do-release-upgrade -d Checking for a new Ubuntu release Err Upgrade tool signature 404 Not Found [IP: 91.189.91.15 80] Err Upgrade tool 404 Not Found [IP: 91.189.91.15 80] Fetched 0 B in 0s (0 B/s) WARNING:root:file 'utopic.tar.gz.gpg' missing Failed to fetch Fetching the upgrade failed. There may be a network problem. |