RHEL-Centos-7

YUM stands for Yellowdog Updater Modified, which is an RPM (RedHat Package Manager) based package management tool for Linux Systems. Yum was introduced in RHEL version 5.10 onward and its deprecated 'up2date' command. Yum, command helps all Users and System Administrators to search for information about packages and then install, update, and remove all rpm […]

SSH stands for Secure Socket Shell, one of the well-known service protocols used to execute an operation to the remote administration over the internet. It provides a very secure passage between the designated computers. Once the connection is established, SSH will then provide encrypted sessions for all public (unsecured) networks in a client-server architecture. It […]

In computing, a good Firewall system can prevent any unauthorized access to the network security systems. Businesses and organizations invest a good amount of money in their cybersecurity infrastructure, depending on how crucial their business is. In this article, we will see the fundamentals of a new firewall service introduced in CentOS 7 named FirewallD. […]

This article will help you to understand the 'useradd' command in Linux/Unix based systems. As we all are aware that Linux is a multi-user and a multitasking operating system (OS). It has been built with a large number of commands from basic to advance. Here, we are going to see the 'useradd' command, it is […]

This article will help you learn how to setup/configure a High-Availability (HA) cluster on Linux/Unix based systems. Cluster is nothing but a group of computers (called nodes/members) to work together to execute a task. Basically there are four types of clusters available, which are Storage Cluster, High-availability Cluster, Load-balancing Cluster, and HIGH-Performance Computing Cluster. In […]

This article will help you learn how to setup/configure iSCSI on Linux/Unix based systems. iSCSI stands for (Internet Small Computer System Interface), which is an Industry standard protocol which is mainly used to share the storage device over the TCP/IP layer. Unlike Samba or NFS, which work at the file system level whereas iSCSI works […]

Magento is a robust and powerful platform for eCommerce websites. It is built with a PHP Framework. It comes with two editions - Magento-2 Commerce (EE), formerly known as Enterprise Edition) and Magento-2 Open Source (formerly known as Community Edition). Magento-2 is a fully customizable and user-friendly interface, which can set up and control a […]

LAMP stands for Linux, Apache, MySQL/MariaDB, and PHP. It is an acronym for a Linux/UNIX server with Apache as the server engine, MySQL/MariaDB as the database engine, and PHP as the primary server-side script language. It is also known as LAMP Stack. Usually, Lamp Stack is selected for the construction and development of high-performance websites […]

This article will help you to set up DNS (Domain Name System) on Linux/Unix based system. DNS is mainly used to resolve host-names, which means it can easily bind IP addresses into a fully qualified domain name (FQDN) like www.linuxteck.com or www.google.com to IP addresses like 166.62.27.62 / 172.217.166.110. It is one of the basements […]

This article will help you learn how to setup / configure Caching-only DNS with BIND in RHEL/CENTOS 7.6. We are aware that DNS is a service used to Resolve the Name to IP Address and IP Address to Name. There are different types of DNS servers ( Master, Slave, Caching & Forwarding). Here is what […]