How to Undo or Redo a Yum Install on CentOS and RHEL
One of the most important and useful feature added to YUM Package Manager (from version 3.2.25) is the ‘yum history’
RedHat
How to Install Mod_GeoIP for Apache in RHEL and CentOS
Mod_GeoIP is an Apache module that can be used to get the geographic location of the IP address of the
Install VirtualBox Guest Additions in CentOS, RHEL & Fedora
VirtualBox Guest Additions are software (typically device drivers and other special system applications) that enable seamless integration between the host
How to Enable NUX Dextop Repository on RHEL/CentOS 7/6
Nux Dextop is a third-party RPM repository that contains multimedia and desktop packages for Enterprise Linux distributions such as RHEL,
4 Ways to Check CentOS or RHEL Version
Do you know the version of CentOS/RHEL release you are running on your server? Why is this even important? There
How to Install Kernel Headers in CentOS 7
When you compile a custom kernel module such as a device driver on a CentOS system, you need to have
How to Set or Change Hostname in CentOS/RHEL 7/8
A computer hostname represents a unique name that gets assigned to a computer in a network in order to uniquely
Initial Server Setup and Configurations on RHEL 7
In this tutorial we’ll discuss the first configuration steps you need to take care of after a fresh installation of
How to Recover or Rescue Corrupted Grub Boot Loader in CentOS 7
In this tutorial we’ll cover the process of rescuing a corrupted boot loader in CentOS 7 or Red Hat Enterprise
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
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
How to Boot into Single User Mode in CentOS/RHEL 7
Single User Mode (sometimes known as Maintenance Mode) is a mode in Unix-like operating systems such as Linux operate, where