Auditing a Linux Server Before You Trust It: A Sysadmin Checklist

A Linux server can be responding normally, serving traffic, and running for months without any obvious errors while still carrying forgotten accounts, old SSH keys, unknown repositories, unnecessary services, or configurations nobody can explain. When a system administrator inherits a Debian, Ubuntu, RHEL, Rocky Linux, AlmaLinux, Fedora, SUSE, or other Linux server, the first task […]