Authenticating Git operations with GitLab without entering passwords on every push requires configuring Ed25519 or RSA SSH key pairs.

SSH Key Generation Commands

Terminal Commandsbash
# 1. Generate new Ed25519 SSH key pair
ssh-keygen -t ed25519 -C "developer@example.com"
 
# 2. Display public key to copy to GitLab User Settings > SSH Keys
cat ~/.ssh/id_ed25519.pub
 
# 3. Verify SSH connection to GitLab
ssh -T git@gitlab.com