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 Red Hat Enterprise Linux 7 on a bare metal-server or on a Virtual Private...
Category: RedHat
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 Linux 7 and recover the a forgotten root password. The GRUB boot loader can...
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 (auditd) is a comprehensive logging system and doesn’t use syslog for that matter. It...
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 old kernel, it is important to keep your kernel up to date; install the...
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 a handful of services are started at system boot for basic functionality to enable...
How to Enable Remi Repository to Install Latest LAMP Stack
If you are a system administrator, a developer, or a DevOps engineer, chances are that at some point you’ve had to set up (or work with) a LAMP (Linux / Apache / MySQL or...
ELRepo – Community Repo for Enterprise Linux (RHEL, CentOS & SL)
If you are using an Enterprise Linux distribution (Red Hat Enterprise Linux or one of its derivatives, such as CentOS or Scientific Linux) and need support for specific or new hardware, you are in...
Installation of Red Hat Enterprise Linux (RHEL) 7.3 Guide
Red Hat Enterprise Linux is an Open Source Linux distribution developed by Red Hat company, which can run all major processor architectures. Unlike other Linux distributions which are free to download, install and use,...
Install Security Patches or Updates Automatically on CentOS and RHEL
One of the serious needs of a Linux system is to be kept up to date regularly with the latest security patches or updates available for the corresponding distribution. In a previous article, we’ve...
Install Htop 2.0 – Linux Process Monitoring for RHEL, CentOS & Fedora
This article is the continuation of our Linux system monitoring series, today we’re talking about the most popular monitoring tool called htop, which is just reached to version 2.0.2 and comes with some cool...
