gpg key renewal
Copy pastable steps
gpg --edit-key rmnull@liglambda.com
key 0
expire
key 1
expire
key 2
expire
# ... so on till all keys are renewer
save
# publish keys to gpg server
gpg --keyserver hkps://keys.openpgp.org --send-keys DB1554AE6A933118348D9FF3A6EB6F1221C31E69
Some notes
how did i get the public key fingerprint?
gpg --list-public-keys rmnull@liglambda.com | grep -A1 pub
the second line has the public key