Does the file exist? Yes
> file /var/lib/ubuntu-release-upgrader/release-upgrade-available
/var/lib/ubuntu-release-upgrader/release-upgrade-available: ASCII text
Does release-upgrade-motd remove this file?
> /usr/lib/ubuntu-release-upgrader/release-upgrade-motd
New release '13.04' available.
Run 'do-release-upgrade' to upgrade to it.
> file /var/lib/ubuntu-release-upgrader/release-upgrade-available
/var/lib/ubuntu-release-upgrader/release-upgrade-available: ASCII text
SO, running release-upgrade-motd doesn't not remove the file; BUT, manually removing that file removes the message at startup
Does the file exist? Yes ubuntu- release- upgrader/ release- upgrade- available ubuntu- release- upgrader/ release- upgrade- available: ASCII text
> file /var/lib/
/var/lib/
Does release- upgrade- motd remove this file? ubuntu- release- upgrader/ release- upgrade- motd upgrade' to upgrade to it.
> /usr/lib/
New release '13.04' available.
Run 'do-release-
> file /var/lib/ ubuntu- release- upgrader/ release- upgrade- available ubuntu- release- upgrader/ release- upgrade- available: ASCII text
/var/lib/
SO, running release- upgrade- motd doesn't not remove the file; BUT, manually removing that file removes the message at startup