How to setup key pair for Linux

• Generate SSH key
• Create a user in target env and authenticate by public key
• Save the private key to Jenkins and called by pipeline

Generate SSH key

ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/

Create a user in target env and authenticate by public key

• useradd username
• cd etc/ssh
• cp sshd_configure sshd_configure.backup
• enable the public key authentication
• service sshd restart
• service sshd status
• vim ~/.ssh/authorized_keys
• append the public key to the keys file
• usermod -a -G groupname username

Save the private key to Jenkins and called by pipeline