The Most Commonly Used RPM Commands in Linux With Examples
In this article, we will review the most commonly used RPM commands in Linux. These commands play a pivotal role in package management, allowing users to install, update, query, and manage software packages seamlessly on their Linux systems. Table of Contents Introduction In this article, we will review the most commonly used RPM commands in […]
Setting up AutoFS in Linux on RHEL7 or CentOS7
Configuring autofs in Linux is a straightforward task. This article will guide you through the process of setting up and enabling the autofs service. Table of Contents Introduction As part of this process, we will discuss the difference between static and dynamic mount points and use a previous article “Create and Export an NFS server […]
Build your own RPMs for Linux
With our step-by-step guide, you can easily build your own RPM packages in Linux on RHEL and CentOS, and efficiently manage software updates and installations. Table of Contents Introduction In the world of Linux, RPM packages are a common way to distribute software packages. RPM stands for “Red Hat Package Manager,” and it was originally […]
Create and Export an NFS Server in Linux
NFS or Network File System is a commonly known method for network file sharing on Linux hosts. We will create and export an NFS server. Table of Contents Introduction In this article, we will create and export an NFS server in Linux using two CentOS7 virtual machines (VMs) to represent the client and the server. […]
Install MySQL on CentOS7 or RHEL7
Unlock the power of relational databases and streamline your data management processes by discovering how to easily install MySQL on CentOS – a must-know skill for any aspiring data professional! Table of Contents Brief History and Overview MySQL was developed by Swedish company MySQL AB (“AB is a Swedish term which means corporation or limited company“) […]
Basic mkdir command examples in Linux
In this article, we’ll cover the mkdir command, which stands for make directories, and review basic mkdir command examples. Table of Contents Introduction David Mackenzie authored the mkdir command found in the GNU coreutils package, as documented in the Linux Manual pages. This command, originating in the 1970s, has become ubiquitous across various operating systems, […]
Write a play automating changes to the SSHD Configuration file
In today’s Ansible series, we will learn about automating changes using Ansible. Specifically, we will automate changes to the sshd config file. Table of Contents Introduction In this exercise, we will examine a playbook that automates a config change (resolves common SSH vulnerabilities) and …specifically makes a change to the sshd (sshd_config) configuration file on […]
How To Resolve SSH Weak Key Exchange Algorithms on CentOS7 or RHEL7
In this article, we will discuss SSH Weak Key Exchange Algorithms and how we can resolve them to enhance the security of SSH connections and protect against potential vulnerabilities and unauthorized access. Table of Contents Introduction On October 13, 2021, Tenable published the following SSH Vulnerability: SSH weak key exchange algorithms enabled giving it a low severity […]
RHEL6: End of Life (EOL)
This article outlines the significance of Red Hat Enterprise Linux (RHEL) version 6.X reaching its end-of-life Maintenance II support phase on November 30, 2020, urging users to consider upgrading to RHEL7 or RHEL8.4 to ensure continued technical support and security, while also providing insights into RHEL’s life-cycle phases and support options. Table of Contents Introduction […]
Install PHP7 on CentOS7 or RHEL7
In this article, we will review how to Install PHP7 on CentOS7 or RHEL7, empowering you to harness the speed, efficiency, and enhanced features of the latest PHP version for your web development projects. Table of Contents Introduction PHP7, the latest major release of the PHP programming language, brings significant improvements in performance, memory usage, […]