Gitlab is an open source, powerful, robust, scalable, secure, as well as efficient software development and collaboration platform for all stages of the DevOps lifecycle. It allows you to plan your development process; code,...
Do you know the version of CentOS/RHEL release you are running on your server? Why is this even important? There are several reasons to keep this information in mind: to quickly gather information about...
When you compile a custom kernel module such as device driver on a CentOS system, you need to have kernel header files installed on the system, which include the C header files for the...
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...
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...
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...
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...
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...
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...
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...
