NIC-Teaming-CentOS8-RHEL8

How to Configure NIC Teaming on CentOS 8 / RHEL 8

NIC teaming is the concept of combining or bonding 2 or more network interfaces into one logical interface to provide high throughput and redundancy. This practice is popular especially with critical servers where high availability is expected at all times. In a server with 2 … Read more

Enable-Nested-Virtualization-VirtualBox

How to Enable Nested Virtualization in VirtualBox on Linux

By default nested virtualization in Oracle VM VirtualBox on linux system is disabled. With the release of VirtualBox 6.1 we can enable nested virtualization on Intel CPUs starting with 5th generation Core i. Prerequisites for VirtualBox Nested Virtualization: VirtualBox Version 6.1 or higher AMD CPU … Read more

Use-Variables-in-Ansible-Playbook

How to Use Variables in Ansible Playbook

In this blog post, we will show you how to use variables in Ansible playbook. Automation is the backbone of modern IT operations, and Ansible stands as a key player in simplifying complex tasks. One of Ansible’s powerful features is the ability to use variables … Read more

pgrep-pkill-linux-command-examples

Learn Pgrep and Pkill Command with Examples in Linux

Linux is loved by developers and enthusiasts alike. You can do lots of things you usually can’t do on operating systems such as windows and OSX. Linux is the best operating system for programmers, developers, and anyone who wants to understand operating systems properly. Now … Read more

diff-command-examples-linux

How to Compare Files in Linux with diff Command

Are looking for an easy method to compare two files and directories in Linux from command line? The following examples on this page will show you how to compare files and directories in Linux with diff command. Diff command is used to compare the content … Read more

Conditions-in-Ansible

How to Use When Conditional Statement in Ansible Playbook

In this guide, we will show you how to use when conditional statement in Ansible playbook with examples. Ansible, the open-source automation tool, empowers system administrators and DevOps professionals to streamline complex IT processes. One of Ansible’s key features is its ability to execute tasks … Read more

ps-command-examples-linux

20 ps Command Examples to Monitor Linux Processes

Monitoring Linux system is one of the most quintessential task that any Linux user or a systems administrator needs to carry out round the clock to ensure the system is running smoothly and avoid bottle-necks. Linux ships with a few built-in tools that can help … Read more

Sync-Time-Linux-Server-Chrony

How to Sync Time in Linux Server using Chrony

Time plays an important role in Linux servers specially when they are used in banking, stock markets and other financial sectors. If we want all our Linux servers should have the correct time, then we must configure some NTP client which will fetch correct time … Read more

Configure-DNS-Server-Bind-CentOS8-RHEL8

How to Setup DNS Server (Bind) on CentOS 8 / RHEL8

Developed in the 80’s by students at Berkeley University, BIND (Berkeley Internet Name Domain) is an open source DNS server that provides DNS services on Linux distributions. So, what is a DNS server ? A DNS server is a service that helps to resolve a … Read more