Tecmint

The /etc/resolv.conf is the main configuration file for the DNS name resolver library. The resolver is a set of functions in the C library that provide access to the Internet Domain Name System (DNS)....

ActiveMQ is a popular, open-source, multi-protocol implementation of message-oriented middleware (MOM) with enterprise features written in Java, used to send messages between two applications, or two components inside an application. It supports a wide...

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...

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...

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...

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...

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...

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...

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...

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...

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 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...

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...

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...

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...

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...

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...

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 –...

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...

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...