Linux The Perfect Mailserver: LDAP with Postfix and Dovecot A three-part series on configuring LDAP, mail, and merging the two. We're starting with the end. I'll be writing about gluing together LDAP and your mail daemons.
Linux Preventing brute-force attacks on SSH with SSHGuard Deploy SSHGuard to prevent automated scripts from continuously attempting to log in to your boxes.
Linux Linux hardening guide for newbies Secure your new Linux server from common threats with this easy step-by-step guide. Covering removing bloat, hardening SSH and setting up a simple firewall.