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How to Install Fail2Ban to Protect SSH on CentOS/RHEL 8

Tue, 10/08/2019 - 14:54
Fail2ban is a free, open-source and widely used intrusion prevention tool that scans log files for IP addresses that show malicious signs such as too many password failures, and much more, and it bans...

Understand Core Components of Ansible – Part 1

Mon, 10/07/2019 - 15:34
The Red Hat Certified Specialist in Ansible Automation exam (EX407) is a new certification program by Red Hat that tests your skills to use Ansible to automate the configuration of systems and applications. The...

How to Install Java 13 on CentOS/RHEL 7/8 & Fedora 30/31

Fri, 10/04/2019 - 16:05
Java is a secure, stable, and well known, general-purpose programming language and computing technology platform with many interconnected capabilities. To run Java-based applications, you must have Java installed on your server. You mostly need...

Setup a Centralized Log Server with Rsyslog in CentOS/RHEL 8

Thu, 10/03/2019 - 16:12
In order for a system administrators to recognize or analyze problems on a CentOS 8 or RHEL 8 server, it is important to know and view the events that occurred on the server in...

Linux ‘tree Command’ Usage Examples for Beginners

Wed, 10/02/2019 - 17:55
The tree is a tiny, cross-platform command-line program used to recursively list or display the content of a directory in a tree-like format. It outputs the directory paths and files in each sub-directory and...

How to Install MongoDB 4 on Debian 10

Tue, 10/01/2019 - 15:33
MongoDB is an opensource, cross-platform NoSQL database server that developed by MongoDB Inc. It uses JSON to store its data and is popular for handling large amounts of data due to its scalability, high...

How to Install Ansible Automation Tool on CentOS/RHEL 8

Mon, 09/30/2019 - 15:18
Ansible is a free and opensource automation tool that allows system administrators to configure and control hundreds of nodes from a central server without the need of installing any agents on the nodes. It...

Installation of “CentOS 8.0″ with Screenshots

Fri, 09/27/2019 - 15:38
CentOS 8 has finally been released! The new version, which is a community version of RHEL 8, ships with new and exciting features which promise an enhanced user experience. Installing CentOS 8 is pretty...

Initial Server Setup with CentOS/RHEL 8

Thu, 09/26/2019 - 18:39
In this article, we will walk you through the first basic steps that you need to apply after installing a minimal CentOS/RHEL 8 server with no graphical environment in order to retrieve the information...

CentOS 8 Released – Download DVD ISO Images

Wed, 09/25/2019 - 17:57
CentOS is a free and open-source, community-driven Linux distribution based on the popular security-focused Red Hat Enterprise Linux. It was designed to be consistent rolling-release distro joined with Red Hat but still independent from...

How to Set Filesystem (Disk) Quotas on Ubuntu

Mon, 09/23/2019 - 15:36
Filesystem quota is a standard built-in feature found in Linux Kernel. Quotas determine the amount of space a file should have to support user activities. The disk quotas also limit the number of files...

How to Install the Latest MySQL 8 on Debian 10

Fri, 09/20/2019 - 16:08
MySQL is the most widely used open-source database management system used to keep and retrieve data for a broad variety of famous applications. In Debian 10, MariaDB comes with by default as a drop-in...

12 ss Command Examples to Monitor Network Connections

Thu, 09/19/2019 - 13:45
ss command is a tool that is used for displaying network socket related information on a Linux system. The tool displays more detailed information that the netstat command which is used for displaying active...

How to Install Apache Tomcat in RHEL 8

Wed, 09/18/2019 - 16:18
Apache Tomcat is an open-source, lightweight, powerful and widely-used web server developed and maintained by Apache Foundation. It is an implementation of the Java Servlet, JavaServer Pages (JSP), Java Expression Language (EL) and Java...

How to Setup MySQL Master-Slave Replication on RHEL 8

Tue, 09/17/2019 - 14:17
MySQL Replication is a process where data from one server is automatically copied or replicated onto another backup server in real time. Replication provides redundancy and fault tolerance and gives the user peace of...

How to Recover Deleted Files Using TestDisk in Linux

Fri, 09/13/2019 - 13:46
We all know the feeling of looking for a file and not finding it, even in the trash. The trauma that comes with file and data loss should end thanks to the TestDisk –...

How to Install Zabbix on Debian 10

Thu, 09/12/2019 - 14:14
Zabbix is a free, open-source, popular and feature-rich IT infrastructure monitoring software developed using PHP language. It is used to monitor networks, servers, applications, services as well as cloud resources. It also supports monitoring...

How to Install Java on RHEL 8

Wed, 09/11/2019 - 13:39
Java is a fast, secure, reliable, and popular, general-purpose programming language and computing platform. Java is more than just a language, it is a technology platform with many interconnected capabilities. To run Java-based applications...

How to Install and Use TestDisk Data Recovery Tool in Linux

Tue, 09/10/2019 - 14:01
TestDisk is a free and opensource, command-line data recovery tool that is used to recover data from deleted or lost partitions. Further, you can use it to revive non-bootable partitions which can be caused...

How to Install Cinnamon Desktop On Ubuntu

Mon, 09/09/2019 - 13:05
If you are looking for a simple and neat desktop environment, then you should try out the Cinnamon desktop environment. Being the default environment for Linux Mint, Cinnamon somewhat mimics the Windows UI and...

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