So when I try to use the command: sudo upgrade-nonroot
It does this:
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user@host:~$ sudo upgrade-nonroot
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[sudo] password for user:
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Hit:1 tor+https : //deb(dot)debian(dot)org/debian-security buster/updates InRelease
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Get:2 http : //ppa(dot)launchpad(dot)net/remmina-ppa-team/remmina-next/ubuntu hirsute InRelease [18.1 kB]
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Hit:3 tor+https : //deb(dot)debian(dot)org/debian buster-updates InRelease
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Hit:4 tor+https : //deb(dot)debian(dot)org/debian buster InRelease
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Err:2 http : // ppa(dot)launchpad(dot)net/remmina-ppa-team/remmina-next/ubuntu hirsute InRelease
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The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8A993C252155F0BA
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Hit:5 tor+https : // deb(dot)whonix(dot)org buster InRelease
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Reading package lists…
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W: GPG error: http : //ppa(dot)launchpad(dot)net/remmina-ppa-team/remmina-next/ubuntu hirsute InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8A993C252155F0BA
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E: The repository ‘http : //ppa(dot)launchpad(dot)net/remmina-ppa-team/remmina-next/ubuntu hirsute InRelease’ is not signed.
When I try to connect to an RDP it will not connect. I have tried reinstalling whonix, removing and reinstalling remmina. Does anyone know what this problem is or what I should do?
Thanks for any help!