That said, you only show warnings. Contrary to errors, warning do not stop the execution.
About the GPG, it does not look like APT knows about it. Executing the
following command in a terminal will import it:
$ apt-key adv --fetch-keys
http://jenkins.trisquel.info/archive/trisquel/trisquel-archive-signkey.gpg
- Re: [Trisquel-users] Testing The Trisquel 8 Upgrade Process vltr
- [Trisquel-users] Re : Testing The Trisquel 8 Upgrade Pr... lcerf
- Re: [Trisquel-users] Testing The Trisquel 8 Upgrade Pro... jamesbythesea
- Re: [Trisquel-users] Testing The Trisquel 8 Upgrade Pro... amrprznu
- Re: [Trisquel-users] Testing The Trisquel 8 Upgrade Pro... amrprznu