Learn step‑by‑step how to install and enable OpenSSH on Linux hosts, generate and copy SSH keys, configure password‑less authentication, and verify connections, with commands and screenshots for both command‑line and GUI methods, ensuring secure remote access without passwords.
This article explains how the auth_socket (MySQL) and unix_socket (MariaDB) plugins enable password‑less login by mapping operating‑system users to MySQL accounts, walks through installing and enabling the plugins on Debian, Ubuntu, MariaDB, and Percona Server, and demonstrates creating and using socket‑authenticated users.
This article shares practical insights on building robust user account systems, covering the shift from usernames to phone numbers as unique identifiers, the drawbacks of passwords, the limited value of periodic password changes, the pitfalls of security questions, and best practices for token management, SMS/voice verification, captcha usage, and multi‑layered future security strategies.
This guide explains how SCP securely copies files over SSH, details each command‑line option, provides practical usage examples—including recursive folder transfers—and shows how to configure password‑less authentication with SSH keys for automated scripting.
