In Debian / Ubuntu, sometimes you want to keep a package at a specific version, and not upgrade it. For instance, the Perl module DateTime::Timezone in Ubuntu Dapper lists its version as 1:0.37-1, when the version is actually 0.37. This makes it difficult if I build a new package of the perl module [...]
Due to the recent ssh vulnerability, many releases of Ubuntu found themselves with vulnerable ssh keys.
User Keys
Run ssh-vulnkey to see if you’re unlucky. If you are, you’ll have to regenerate your keys.
ssh-keygen -t rsa
That’s it. If you’re using dsa, use dsa in the above instead of rsa. You should let [...]