Ed25519 SSH Keys: Ditch RSA for Good
·
Updated:
RSA SSH keys are aging out. Ed25519 is the modern default: generate one in seconds, secure it with ssh-agent, add FIDO2 hardware keys, and audit legacy keys safely.
Tag: security
All the articles with the tag "security".
Linux su with custom shell
·
Updated:
Use su with a specific shell to switch users without the default login shell, useful when /etc/passwd points to something unexpected.
SSH keys and secure file copy
·
Updated:
Generate SSH keys, set up passwordless auth, configure SSH, and transfer files securely with SCP, the foundation of headless Linux work.