Cockpit is free and open-source remote server management web console. Using cockpit web console one can do almost all day to day administrative tasks without login in server’s cli. Apart from administrative tasks, Cockpit provides real time RAM, CPU and DISK utilization report of your … Read more
Ansible provide multiple ways that you can use to replace a string, an entire line or words that match a certain pattern. There are two modules that you can use to achieve this: the replace module and the inline module. We are going to dive … Read more
As we know NGINX is a highly rated web server which can also be used as reverse proxy, load balancer and HTTP cache. In this article, we will demonstrate how to setup highly available (HA) NGINX web server with keepalived in Linux. Keepalived works on … Read more
Recently, I bumped into the error ‘Could not get lock /var/lib/dpkg/lock’. As a result, I could neither install any packages nor update the system. This error is also closely related to the ‘Could not get lock /var/lib/apt/lists/lock’ error. Here’s some sample output on Ubuntu 20.04. … Read more
Nmap stands for Network Mapper, it is a free and open-source network discovery and reconnaissance tool used for host discovery and collecting detailed information about a host. Written in C, C++ and Python and Initially released in September 1997, nmap has become an integral tool … Read more
As we know NGINX is one of the highly rated open source web server but it can also be used as TCP and UDP load balancer. One of the main benefits of using nginx as load balancer over the HAProxy is that it can also … Read more
When it comes to opensource web servers, Apache and Nginx usually take the lion’s share in the hosting space and will often get the most attention. But those aren’t the only opensource web servers in the market which offer great performance and impressive stability. OpenLiteSpeed … Read more
Repetitive tasks are usually tedious and end up taking up a lot of your time and energy. Over time, multiple automation tools have been developed to help alleviate the hassle of executing repetitive jobs. One such automation tool is Jenkins. Jenkins is an opensource automation … Read more
This guide takes you through the installation of Graylog with Elasticsearch 7.x on CentOS 8. Graylog is an opensource log management solution that was founded in 2009 for capturing and centralizing real-time logs from various devices in a network. It’s a perfect tool for analyzing … Read more
In this guide, we will explain Linux echo command with 16 practical examples. Echo command in Linux is one of the widely used command in day-to-day operations task. The echo command is a built-in command-line tool that prints the text or string to the standard … Read more
In this post, we cover how to install terraform on RHEL 9, Rocky Linux 9 or AlmaLinux 9. Before we proceed further, what is Terraform? Created by Hashicorp, Terraform is a free and opensource declarative coding tool that allows you to automate and manage your … Read more
It is always recommended to have private docker registry or repository in your Kubernetes cluster. Docker private registry allows the developers to push and pull their private container images. Once the application’s containers are pushed to private registry then developers can use the path of … Read more
