Tool handrail Git and Ssh

Some Git commands (remote operations)

To check your remote from local : git remote -v
To change on local refers remote host : git remote set-url origin git@gitlab.example.com:my-group/my-project.git

Some ssh commands

To get ssh trace (debug, verbose)
GIT_TRACE=1 GIT_SSH_COMMAND=”ssh -vvv” git clone git@gitlab.example.com:my-group/my-project.git

Generate a new key
ssh-keygen -t rsa -C “userName”

Test host access ssh gitlab.example.com -v
or openssl s_client -connect gitlab.example.com:port

remote migration

You can keep same ssh key (or generate and use a new one). Keeping same check :

• config file (cat ~/.ssh/config), there should be an entry with new remote host specifying “IdentityFile ~/.ssh/MyPrivateKey” on it
• known_host (cat ~/.ssh/known_hosts) should have an entry with new remote host (check add finger print to add)

Some Ssh cheasheet and infos

Cheatsheet :

• ssh cheat sheet
• another ssh cheat sheet
• one more Ssh cheat sheet

Specific :

• ssh config file
• using ssh config file
• Add ssh finger print

Others :

• GitHub ssh help
• GitLab ssh help
• Bitbucket ssh