How to Create and Add EBS Volume in AWS Instance (EC2)
In this topic, we shed light on how you can add or attach an EBS (Elastic Block Storage) volume on an AWS instance. An extra EBS volume supplements storage space for your instance. Once...
Category: How To
How to Install Docker CE on CentOS 8 / RHEL 8
Docker is a daemon-based container engine which allows us to deploy applications inside containers. With the release of RHEL 8 and CentOS 8, docker package has been removed from their default package repositories, docker...
How to Manage Remote Windows Host using Ansible
Ansible is increasingly becoming the go-to platform for application deployment, and software provisioning among developers owing to its ease of use and flexibility. Furthermore, it is easy to set up and no agent is...
How to Install Ansible (Automation Tool) on CentOS 8/RHEL 8
Ansible is an awesome automation tool for Linux sysadmins. It is an open source configuration tool which allows sysadmins to manage hundreds of servers from one centralize node i.e Ansible Server. Ansible is the...
How to Install VirtualBox 6.0 on CentOS 8 / RHEL 8
VirtualBox is a free and open source virtualization tool which allows techies to run multiple virtual machines of different flavor at the same time. It is generally used at desktop level (Linux and Windows),...
How to install and Configure Postfix Mail Server on CentOS 8
Postfix is a free and opensource MTA (Mail Transfer Agent) used for routing or delivering emails on a Linux system. In this guide, you will learn how to install and configure Postfix on CentOS...
How to Create Affinity and Anti-Affinity Policy in OpenStack
In the organizations where the OpenStack is used aggressively, so in such organizations application and database teams can come up with requirement that their application and database instances are required to launch either on...
How to Automate tasks in Linux using Crontab
Sometimes, you may have tasks that need to be performed on a regular basis or at certain predefined intervals. Such tasks include backing up databases, updating the system, performing periodic reboots and so on....
How to Add Windows and Linux host to Nagios Server for Monitoring
In the previous article, we demonstrated how to install Nagios Core on CentOS 8 / RHEL 8 server. In this guide, we will dive deeper and add Linux and Windows hosts to the Nagios...
How to Enable Timestamp in Linux History Command Output
History is one the most useful command line tool for all Linux and Unix geeks. As the name suggests history command is used to keep track of all commands that were executed on a...
How to Configure Rsyslog Server in CentOS 8 / RHEL 8
Rsyslog is a free and opensource logging utility that exists by default on CentOS 8 and RHEL 8 systems. It provides an easy and effective way of centralizing logs from client nodes to a...
How to Enable EPEL Repository on CentOS 8 and RHEL 8 Server
EPEL Stands for Extra Packages for Enterprise Linux, it is a free and opensource additional packages repository available for CentOS and RHEL servers. As the name suggests, EPEL repository provides extra and additional packages...
