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 Find Big Files Size on Linux RHEL/CentOS
As the linux administrator, sometimes we have to identify which files are most take much space in the linux server resulting in low free space. Low disk space can also…
Why Linux users should worry about malware and what they can do about it
Don’t drop your guard just because you’re running Linux. Preventing the spread of malware and/or dealing with the consequences of infection are a fact of life when using computers. If…
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 Update CentOS or Upgrade CentOS to the Latest Version
Recently, the latest version of CentOS 7.3 was released. All users of CentOS 7.0, 7.1 and 7.2 can upgrade their system to the most recent. This quick guide will explain…
How to Change your WordPress Username, Nickname and Display Name in MySQL
After you create an account log in WordPress, you may want to change your WordPress username, as appropriate or due to security reason. However, you can not do this from…
How to Enable SSH Root Login on Ubuntu 16.04
As what we wrote in the previous article on how to allow SSH root on Ubuntu 14.04, after installing a fresh new copy of Ubuntu 16.04 LTS, we find that…
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 Shut Down or Reboot Solaris Server
This article will describes how to shut down or reboot solaris Server. Solaris is usually used as a server operating system which can be accessed at any time by the…
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…
An open letter to entry-level IT employees
The world of IT can be unforgiving, especially for those just starting out. The keys to finding and maintaining success are humility, patience and an open mind. You’ve graduated and…
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,…