SSH related

ssh-copy-id windows -> linux

cat ~/.ssh/id_rsa.pub | ssh root@agora "cat >> ~/.ssh/authorized_keys"

github

ssh-keygen -t ed25519 -C "your_email@example.com"
ssh-keygen -t rsa -b 4096 -C "your_email@example.com" (old)

github config ~/.ssh/config

Host github.com
      Hostname github.com
      PreferredAuthentications publickey
      IdentityFile ~/.ssh/gh

ssh-agent

$ eval "$(ssh-agent -s)"
> Agent pid 59566

add key to agent

ssh-add ~/.ssh/id_ed25519 

Windows ssh-agent

Set-Service ssh-agent -StartupType Manual
Start-Service ssh-agent