How to Reset the Directory Manager Password on RHEL 7 / CentOS 7
It is best practice to remember passwords, but because too many passwords, sometimes we forget. We are not encouraged to write the password on any paper or share the password…
How to Change UUID of Linux Partition on CentOS 7
UUID (Universally Unique IDentifier) should be unique and it is used to identify storage devices on a linux system. If you cloned a virtual machine from vCenter, the metadata containing…
How to Install and Setup Apache Web Server in Linux
1. Introduction of Web Server (Apache Web Server) A web server generally hosts the web content, and responds to requests for this content from web browsers such as Internet explorer,…
How to Install Zimbra Patch on CentOS 7
Many have asked me, did Zimbra Collaboration (ZCS) 8.6.0 Patch4 will include Patch1 to Patch3? Actually, if you read the release notes document, the answer is there. ZCS patches are…
The latest release supersedes all previously released content for CentOS 7, therefore it is recommended for all users to upgrade their CentOS machines. This article will list the URL to…
How to Setup Linux Login Banner on CentOS 6 / CentOS 7
Most system administrators have applied linux login banner on their servers. The purpose of this linux login banner is to show some messages or warnings when ssh session connected and…
How to Install Virtualmin on CentOS 7 / RHEL 7 / Oracle Linux 7
Virtualmin is an advanced web hosting control panel that is very flexible and powerful for Linux and UNIX systems. It is based on the well-known Open Source web-based system management,…
How to Configure Firewalld in Linux CentOS 7 / RHEL7
Linux kernel includes powerful network filtering subsystem called Netfilter. It allows kernel modules to inspect each packet crossing the linux system such as to allow or drop incoming and outgoing…
How to a Add and Remove User Account on RHEL 6/7, CentOS 6/7, Oracle Linux 6/7
This article will explain and share how to add and remove user account with useradd(add) and userdel (remove) from the command-line on linux RHEL 6/7, CentOS 6/7, Oracle Linux 6/7…
How to Install and Configure TigerVNC Server on CentOS 7.1 / RHEL 7.1 / Oracle Linux 7
The following article explain how to Install and configure TigerVNC Server on CentOS 7.1 or Red Hat Enterprise Linux (RHEL 7.1) or Oracle Linux 7. TigerVNC (Tiger Virtual Network Computing)…
How to Install and Setup Apache Tomcat 8 on CentOS 7 / RHEL 7
What is Tomcat Server and What is Apache Tomcat used for ? Apache Tomcat version 8 is an open source web server and servlet container developed by the Apache Software…
How to Install JAVA 8 (JDK 8u45) on CentOS 6 / CentOS 7
The JDK is a development tool for building applications, applets, and components using the Java programming language . It includes a useful tool for developing and testing programs written in…