Almost eight out of ten websites use PHP (according to W3Techs) and most are WordPress sites – yet 64% are using old versions no longer officially supported. Considering the latest versions are faster and safer from hacking, it makes sense for every webmaster to keep… Read More »How to Check the Current PHP Version
What Is A Git Remote? A remote within the control system Git is a common repository utilized by all users when exchanging changes that have been made. The git remote is essentially a pointer referring to a cloned version of the user’s project that is… Read More »Git: How to Remove a Remote
If you’re looking to archive your files and directories, regardless of your OS, “zip” is the format that is most popular and supported by the largest number of clients and operating systems. In this tutorial, we’ll go over how to use the applications in Linux… Read More »The Zip Command in Linux: How to Zip Files and Directories
The Beginning The use of a Penguin as logo/mascot for Linux was discussed first in early 1996 by several people in the linux-kernel mailing list. The idea of such a mascot came from Alan Cox first. Among many other suggestions made by different people, there… Read More »Why is the Linux Logo a Penguin (Tux)?
CloudStats is a powerful tool for Linux server monitoring and network monitoring. This Software-as-a-Service tool allows to track all key indicators of system health, such as CPU and RAM usage, apps and processes performance, network status and much more. The best thing is that CloudStats… Read More »How to Perform Linux Server Monitoring with CloudStats
This post about Linux df command opens series of articles for Linux newbies where you’ll find description and usage examples of major Linux commands like df, top, fsck, mount and so on. Introduction Linux df command can be used to display disk usage statistics for… Read More »Linux df Command Usage Examples
Restricted shells like rssh and scponly give sysadmin the possibility to limit the operations that Linux user can do, for example you can create user that will be allowed to copy files via scp but won’t be permitted to login into system’s command line. This… Read More »Linux Restricted Shells: rssh and scponly
HAProxy is open source proxy that can be used to enable high availability and load balancing for web applications. It was designed especially for high load projects so it is very fast and predictable, HAProxy is based on single-process model. In this post I’ll describe… Read More »Failover and Load Balancing using HAProxy
Most of Linux distributions comes with Linux Auditing System that makes it possible to track file changes, file accesses as well as system calls. It’s pretty useful functionality for sysadmins who wish to know who and when accessed and/or changed sensitive files like /etc/passwd, /etc/sudoers… Read More »Track file changes using auditd
cpulimit is a small program written in C that allows to limit CPU usage by Linux process. Limit is specified in percentage so it’s possible to prevent high CPU load generated by scripts, programs or processes. I found cpulimit pretty useful for the scripts running… Read More »Limit CPU usage of Linux process