How to Query Audit Logs Using ‘ausearch’ Tool on CentOS/RHEL
In our last article, we have explained how to audit RHEL or CentOS system using auditd utility. The audit system
Aaron Kili
Learn Linux System Auditing with Auditd Tool on CentOS/RHEL
System auditing simply refers to in-depth analysis of a specific targeted system: an audit is made up of an examination
Impress Your Friends with This Fake Hollywood Hacker Terminal
In Hollywood movies, hacking always seems interesting, especially because the whole action is spiced up with fancy desktop environments/backgrounds, rapidly
Rename All Files and Directory Names to Lowercase in Linux
In our previous article, we have described how to count the number of files and subdirectories inside a given directory.
How to Monitor Linux Commands Executed by System Users in Real-time
Are you a Linux system administrator and want to monitor interactive activity of all system users (Linux commands they executes)
30 Useful ‘ps Command’ Examples for Linux Process Monitoring
ps (processes status) is a native Unix/Linux utility for viewing information concerning a selection of running processes on a system:
How to Block or Disable Normal User Logins in Linux
As a system administrator, you will inevitably perform scheduled system maintenances at some point or another. A few times, your
How to Delete Old Unused Kernels in Debian and Ubuntu
In our last article, we’ve explained how to delete old unused kernels in CentOS/RHEL/Fedora. In this article, we will explain
How to Delete Old Unused Kernels in CentOS, RHEL and Fedora
In this article, we will show how to remove old/unused kernel images on RHEL/CentOS/Fedora systems. However, before you remove an
Sysdig – A Powerful System Monitoring and Troubleshooting Tool for Linux
Sysdig is an open-source, cross-platform, powerful and flexible system monitoring and troubleshooting tool for Linux; it also works on Windows
How to Fix “E: unable to locate package” Error in Debian 9
If you install Debian 9 system using a netinstall CD image, your system probably will not have all the necessary
How to Boost Linux Server Internet Speed with TCP BBR
BBR (Bottleneck Bandwidth and RTT) is a relatively new congestion control algorithm written by software engineers at Google. It is