Sometimes, it's necessary to create an archive of a website for offline viewing. We use HTTrack to preserve our old website when we launched our new one.
Automatic security updates for Debian and Ubuntu with unattended-upgrades provides an easy way to keep your servers patched against recent vulnerabilities.
I find several Linux filesystem utilities great for diagnosing problems and gathering information. In this post, I cover df, du, file, readlink, and od.
