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Keys

Copied keys

If you copied keys from somewhere, they look good, but do NOT work. Try this command:
restorecon -Rv /root/.ssh

SSH Keys

The following command to decide if the key is pair:

ssh-keygen -y -f panyu101.github.rsa > pub-from-private
cat panyu101.github.rsa.pub > actual-pub

diff pub-from-private actual-pub

Pub key finger print

ssh-keygen -lf /opt/key/panyu101.github.rsa.pub

4096 SHA256:KgyVik6NmDV1F8fynuQiSxvUrslkpeqXerdFjARuZH8 daqin_pan@yahoo.com (RSA)
This SHA256:KgyVik6NmDV1F8fynuQiSxvUrslkpeqXerdFjARuZH8 should match the one at:
https://github.com/settings/keys