The Linux Compendium
Karim Buzdar 
KVM refers to the Kernel-based Virtual Machine which helps to run multiple Linux or window-based isolated guests along with their own OS and virtual dedicated hardware. To run KVM your system must be compatible with hardware virtualization extensions, such as AMD-V or Intel-VT. The VM template is a copy of the virtual machine including specific … Read more
Sometimes we may need to replicate data from one MySQL DB server to one or more MySQL DB servers automatically. Basically, database administrators perform database-related tasks such as replication, clustering, and auto-failover. Managing MySQL database servers and performing replication tasks are the responsibilities of database experts. In this article, we will learn how to set … Read more
Imagine a box in which you can put all of your files, and it will maintain integrity. This is what Docker does, providing an easy way to manage containers for any application on-premise or cloud-hosted with ease. What’s even better about this tool: It comes free (yes, really) as well as being open source so … Read more
There are several backup utilities available for Linux. Some of them are based on bash scripts and others are properly crafted open-source software. The problem comes when nothing is available in a default installation. I am a Debian user and I have some preferences to use certain backup utilities to keep my data safe. In … Read more
What is a freeRADIUS server? RADIUS is a AAA (authentication, authorization, and accounting) protocol that helps in controlling network access. In other words, RADIUS protocol is used for connection management between the Network Access Server (NAS) and Authentication server. The connection between two ends(NAC-NAS or NAS-Authentication server) is initiated after a successful negotiation on the … Read more
Unlike the Windows system, Linux does have a lot of different directory structures which we will be discussing today. In Linux, all the directories retain from the root or base directory (/). Inside the base directory, if you use the ls command to list the file and dir you could also see some symlinks that … Read more
Webmin is an open-source web-based interface that simplifies the administration of Unix systems. Usually, to perform any kind of task in Linux like setting up accounts, setting up web servers, installing software, you have to manually run the commands and edit configuration files. Webmin lets you do all such tasks using a web-based interface. Using … Read more
Btrfs or commonly pronounced as b-tree FS or butter FS is a COW (copy-on-write) based disk storage format and filesystem. In btrfs, all characters except / and Null are applicable for creating the files featuring self-healing and the capability of spanning multiple volumes. It was initially developed by Oracle in 2007 and developed by multiple … Read more
Ansible is an open-source IT automation tool for continuous deployments or zero downtime rolling updates, software deployment, configuration management, and orchestration of more advanced IT tasks. Ansible minimizes the workloads and saves a lot of time during server configuration and application deployment. In some scenarios we do have to maintain a large number of servers … Read more
Reveal.js is a free and open-source HTML presentation framework that enables users to create free, fully-featured, and attractive presentations using a web browser. Users can use web technologies in the presentations using the reveal.js framework. This tool helps to add more CSS styles, add an external web page, include <iframe>and custom user behavior using different … Read more