How To Guides

Some unexpected behavior on the web server can at times be caused by system resource limitations. Processes often do this and sometimes quite excessively. Linux...

Once you’ve installed CentOS, securing it to prevent unauthorized access and intrusions comes second. As the saying goes, ‘prevention is better than the cur...

TrueCrypt is an open-source, on-the-fly encryption system that ceased further development and maintenance by its creators in June 2014. This, however, hasn’t...

Very early on in your career as a web server sysadmin, it’ll soon become necessary to use an awesome tool called LVM. ...

Permissions are super important in all things web server connected and your control panel is a great place to get these right. The permissions set for files and...

Firewalld is a mechanism by which your operating system handles firewall configuration. The current version of CentOS uses a version of Firewalld based on Nftab...

There are times when your Linux server seems to be offline or otherwise inaccessible, you should always be able to log in with your web console, using Putty. On...

Services on Linux are really important. They’re programs that run in the background outside the interactive control of system users as they lack an interface....

Log files are the all-important records that Linux stores for administrators to keep track and monitor important events on the webserver, kernel, services, and ...

Scheduling tasks/jobs in Linux operating systems rely on Cron. Cron or ‘cron job’ is a time-based task scheduler that users can use to set up and maintain s...