Server Administration
Connect to a Remote Server Using SSH Keys
Log in to a remote server without a password using SSH keys. Generate an ed25519 key pair, copy the public key to the server,…
//
Tag: Security
Database Administration
Reset the MySQL root Password From the Terminal
Reset the MySQL root password from the terminal when you are locked out, using skip-grant-tables recovery mode and ALTER USER to set a new…
Programming
Handle Sessions in PHP
Keep a user logged in across page loads with PHP's built-in session functions. session_start() opens the session, the $_SESSION array holds the data, and…
Programming
Hash and Verify Passwords in PHP
Hash and verify passwords in PHP with password_hash() and password_verify(). Store a secure bcrypt hash, check logins against it, and upgrade old hashes automatically…