Server OS Profile: Debian GNU/Linux

Although it is not specifically designed for servers, Debian GNU/Linux is a popular choice for system administrators because of its stability, security, and long stable release cycle. Debian has also been around for a very long time (19 years) and is regarded as one of the most reliable operating systems in terms of staying true […]

How to Build a Chroot Environment in CentOS

The purpose of a chroot jail is to allow you to run a virtual file system within a larger one. You can use it for any number of reasons, including virtual shared hosting accounts. The user whose login account is associated with a chroot jail can use an entire virtual Linux distribution within the jail, […]

YUM Tutorial: Undo Package Updates with Rollback

In almost all situations, keeping your server up-to-date with the latest packages is the smart thing to do. In some cases, however, updates (especially more involved upgrades) may cause certain web applications to stop functioning properly or may introduce a new bug that the developers missed.
To make sure you do not get one of these […]

Server Software Behaving Badly

When your dedicated server’s software starts acting up, it may get to the point where you want to trash the whole thing and give up. You should fight that urge, however, and try to find out why the software is giving your server trouble. There are a few routine things you can check […]

Fixing Problems with APT

APT (Advanced Packaging Tool) is the package management system for Debian GNU/Linux and Debian-based operating systems such as Ubuntu. Some Red Hat, CentOS and SUSE Linux users may also prefer to use APT, although it is not the default. As we have previously discussed, the main command for APT is “apt-get” followed by […]

Reduce Client Security Holes with Automated Script Installers

Your server is like your baby, and no one wants to see their baby crash, get kidnapped, freeze up, get attacked, or contract a deadly virus. One way you can lessen the possibility of security compromises on your server is to provide your web hosting clients with script installation services.
A lot of security holes […]