Lab 3.0: Git & SSH keys

Summary

This lab was very straightforward and a very nice review of git and ssh keys. It’s funny to me with the SSH keys because I have done this a few times before when setting up reverse ssh on campus so I can host my website and other utils. I will say the hardest part of this lab was the script just because the wording on it was a little funny but, once I asked a classmate I was rolling at Mach-5

Git

• git clone <url> clones repo to current location
• git commit commits current changes to repo
  • git commit -m <message> will change update message in repo after push
• git push pushes changes that have been committed to the repo
• git add . adds current directory to repo
• git pull pulls all updates from repo
• git checkout checks for updates in the repo

SSH

• ssh-keygen -t rsa -C "<user>" will generate a public and private rsa key pair
  • these keys will be default saved in /home/<user>/.ssh/id_rsa
  • THE PUBLIC KEY SAYS id_rsa.pub NEVER SHARE PRIVATE KEY!!!!!
• For password less entry to another system
  1. copy the public key over to the /home/<user>/.ssh/authorized_keys
  2. chmod 700 /home/<user>/.ssh
  3. chmod 600 /home/<user>/.ssh/authorized_keys
  4. shown -R <user>:<user> /home/<user>/.ssh