$ cd /etc/update-motd.d $ ls -al total 36 drwxr-xr-x 2 root root 4096 Oct 7 14:46 . drwxr-xr-x 99 root root 4096 Oct 7 14:45 .. -rwxr-xr-x 1 root root 1220 Oct 23 2015 00-header -rwxr-xr-x 1 root root 1157 Jun 14 2016 10-help-text -rwxr-xr-x 1 root root 97 May 25 2016 90-updates-available -rwxr-xr-x 1 root root 299 Jul 22 2016 91-release-upgrade -rwxr-xr-x 1 root root 111 Nov 30 2016 97-overlayroot -rwxr-xr-x 1 root root 142 May 25 2016 98-fsck-at-reboot -rwxr-xr-x 1 root root 144 May 25 2016 98-reboot-required $ vim 90-updates-available (comment all line with #, or add an "exit 0" to disable Update notify) $ vim 91-release-upgrade (comment all line with #, or add an exit 0 to disable Ubuntu 14.XX -> 16.XX -> Ubuntu 18.XX big release upgrade) $ vim 10-help-text (comment all line with #, or add an exit 0 to disable URL @ motd link to Ubuntu document) $ exit Re-login
