Scan for network vulnerabilities using NMAP
Are you concerned about the security of your network? Learn about for network vulnerabilities scanning using NMAP, a powerful tool that can help you identify potential security issues and keep your network safe from cyber attacks. Table of Contents Introduction Network Mapper (NMAP) is a free and open-source tool used for network exploration, security auditing, […]
Install a Kubernetes Cluster on Ubuntu 20.04
In today’s article, we will review the step-by-step process involved with a Kubernetes cluster install on Ubuntu server version 20.04. However, this procedure will work with later version of Ubuntu (e.g Ubuntu 22.04 or later). Table of Contents Introduction The overall steps for installing a Kubernetes cluster on Ubuntu are very similar to those for […]
Install brackets on Ubuntu 20.04
Launching the Brackets Code Editor To launch the Brackets Code Editor, simply issue the snap run command (below): admin@vm10:~ $ snap run brackets Photo by admingeek from Infotechys Uninstalling the Brackets Code Editor To uninstall the Brackets Code Editor, simply run the snap remove command (below): admin@vm10:~ $ sudo snap remove brackets brackets removed Conclusion We have […]
Install CentOS8 on KVM
In today’s tutorial, we will install CentOS8 on KVM. The install process is fairly straightforward and we will cover it here step-by-step. We will follow a similar format to the “Install RHEL7 or CentOS7 on a PC” article. The difference is, our CentOS8 instance will run in our KVM virtual environment. Table of Contents Introduction […]
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 […]
Install RHEL7 or CentOS7 on a PC
Installing RHEL7 or CentOS7 on a PC is fairly easy to do. In this tutorial, we will review the installation process step-by-step. Today’s focus will be the Red Hat Enterprise Linux (RHEL) operating system. Table of Contents Introduction Although, the Community Enterprise Operating System or CentOS Linux install process is essentially the same–one major difference […]
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. […]
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 […]
Installing Apache Web (HTTP/HTTPS) Server on CentOS7
Looking to establish a reliable and secure web presence? Learn how to Install Apache web server on CentOS and unlock the potential of your website today. Table of Contents Introduction The Apache web server, commonly referred to as an HTTP/HTTPS server, is one of the most popular and widely used web servers in the world. […]
50 Commands Every Linux Sysadmin Should Know
In this article, we will review the top 50 Linux commands every Linux Sysadmin should know. Junior-level sysadmins and Linux enthusiasts are familiar with all of these commands and know how to use them. Table of Contents Introduction Before we begin, this is just my subjective view of the what belongs on the top 50 […]