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 Reset Forgotten Root Password on Linux RHEL 7 / CentOS 7
This short howto will explain the steps to reset a lost root password or to reset a forgotten root password on Linux RHEL 7 or CentOS 7. Basically, we will…
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 Setup WordPress Nginx with FastCGI Caching in CentOS 7
If you plan to run high traffic wordpress blog(wordpress nginx), i would suggest to run it in virtual private server (VPS) or dedicated server together with NGINX FastCGI Caching. Besides…
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 MySQL on CentOS 7 / RHEL 7 / Oracle Linux 7
In this quick guide, i will show you how to install MYSQL on CentOS 7 / RHEL 7 / Oracle Linux 7 instead of MariaDB. MariaDB is the default implementation…
How to Install and Setup 389 Directory Server on CentOS 7
389 Directory Server (previously Fedora Directory Server) is an open source enterprise class LDAP server for Linux. It is developed by Red Hat community-supported Fedora Project. The name 389 is…
How to Install and Setup Munin on CentOS 7
Munin is open source and free software for monitoring computer system, network monitoring and application infrastructure monitoring software. Munin offers monitoring and alerting for servers, switches, applications, and services. Munin…
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…
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 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 Fix GNOME License Not Accepted Issue on CentOS 7
This post assume that you have just finished the Gnome GUI installation on CentOS 7 by using “yum groupinstall “GNOME Desktop” “Graphical Administration Tools” -y” command. Previously you are running…