Linux is an Open source operating system comes in many flavors like RedHat, Ubuntu, CentOS , OpenSUSE etc. It is currently supported in almost all the infrastructure and is most widely used OS around the World. I will cover all the important Linux Topics under this category.
In this article, I will take you through step by step guide to install Jenkins on Ubuntu 20.04. Jenkins is an open source automation server used by the Developers/Testers around the world to build, deploy, exec and test the applications. It is frequently used as Continuous Deployment and Continuous Integration tool along with other DevOps ... Read more
In this article, I will explain how to install traceroute command on RHEL/CentOS 7/8 Using 5 Easy Steps. traceroute command is a network diagnostic tool used in Linux based Systems to check and identify the network connectivity problems from source to destination. By default it will send the 60 byte packets for max 30 hops ... Read more
In this article, I will explain in detail how to install let's encrypt(Certbot) on RHEL/CentOS Using 10 Easy Steps. To enable HTTPS on your website, you need to get a certificate (a type of file) from a Certificate Authority (CA). Let’s Encrypt is a CA. In order to get a certificate for your website’s domain ... Read more
In this article, I will take you through 6 Easy Steps to Install dig and nslookup command on RHEL / CentOS 8. Sometimes you might have noticed the error "dig command not found" when you are trying to use dig command in your Server. This is because dig tool will be available by default in ... Read more
In this article, I will take you through 8 Easy Ways to Check Ubuntu Version in Bash Command Line. It is a very common practice for Ubuntu users to check the current Ubuntu version for many reasons. If anyone needs to install any new packages then the first thing we need to check is the ... Read more
In this article, I will take you through 5 Easy Steps to Install Openssh-Server on Ubuntu 20.04 to enable ssh. Today I was trying to setup Ubuntu 20.04 to perform certain tasks by login to the Server through putty using ssh protocol but was unable to connect to the Server after repeated attempts. Then I ... Read more
In this article, I will take you through 12 Easy Find Command Examples to List All Files and Directories with 777 Permissions. If you are using Linux based Systems from long time then you must be aware of the issues arises due to files and directories permissions. Some of the deployments like Database deployments in ... Read more
In this example, I will take you through 13 Easy methods to check if a Server is a Physical or Virtual in Linux or Unix. If you are working on Unix/Linux Based Systems then you might have faced a situation where you needed to find if a particular Server is a Physical or Virtual Server. ... Read more
In this article, I will take you through 5 Easy Examples to delete Files and Directories Owned by a Specific User and Group in Linux. In Linux based Systems, all the Files and directories are owned by Specific User and belong to some Group. If you are using Linux based Systems from long time, then ... Read more
In this article, I will take you through 6 Popular Methods to List All Running Services Under Systemd in Linux. If you are working or using Linux based systems from long time then you might be aware of System V which used runlevel scripts to run programs at specified Run Level. Now we have more ... Read more