ssh-keygen
ssh-keygen is a Linux command in the SSH & Remote category, rated advanced difficulty. Generates SSH key pairs for passwordless authentication. The syntax is ssh-keygen [options]. Key options and parameters: none — interactive prompts. It returns sSH key pair files. A practical example: ssh-keygen -t ed25519 # Generate Ed25519 key ssh-keygen -t rsa -b 4096 # Generate RSA 4096-bit ssh-keygen -l -f ~/.ssh/id_rsa.pub # Show fingerprint A close relative is ssh, which secure Shell client — connects to remote machines securely. A close relative is scp, which securely copies files between hosts over SSH. A close relative is rsync, which fast file syncing tool that transfers only differences. More about this category: Linux SSH and remote commands — ssh, scp, rsync, sftp, and more. Connect to and transfer files between remote systems. Related SSH & Remote commands: ssh, scp, rsync, sftp, ssh-copy-id, ssh-add, ssh-agent, ssh-keyscan.