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 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 EPEL Yum Repository on Linux CentOS 7 / RHEL 7
Epel yum repository is an open source centos yum repository or rpm repository for developers and system administrators to perform the installation of RPM packages via yum on their virtual…
How to Remove / Uninstall Nginx on CentOS 7 / RHEL 7 / Oracle Linux 7
Nginx web server is alternative web server to Apache and Lighttpd. Nginx popularity now growing because it focuses on high concurrency, high performance while maintaining low memory usage. However, due…
How to Install Nginx on CentOS 7 / RHEL 7
NGINX is a web server that focuses to high performance and high concurrency and at the same time very low memory usage. It is a flexible web server and lightly…
How to Prepare Local Yum Repository from CD-ROM/DVD-ROM image on RHEL 7
If you have installed Red Hat Enterprise Linux 7 (RHEL 7) but do not have access to the redhat official repo, you will encounter problems installing and updating software. To…
How to Create LVM in Linux CentOS 7 / RHEL 7 / Oracle Linux 7
Storage technology plays a important role in improving the availability, performance, and ability to manage Linux servers. One of the most useful and helpful technology to linux system administrator is…
Rescan SCSI Bus to Add or Remove a SCSI Devices on Linux
When you need to add a hard disk or network interface cards on the new VMware virtual machine on the production server, but you are not allowed to shutdown the…
What are the Differences Between the Open-VM-Tools package and VMware Tools package
Question. Many of the system administrator asked whether they need to install Open-VM-Tools package or VMware Tools package that ships with ESX/ESXi VMware products. Answer. VMware Tools is a suite…
3 Command to Change the Linux Date and Time in CentOS 7/RHEL 7
Red Hat Enterprise Linux 7 or CentOS 7 come with three default utilities or command line that help to configure and display the information about the system date and time:…
New Naming Scheme for the Network Interface on RHEL 7/CentOS 7
Red Hat Enterprise Linux 7 (RHEL 7) and CentOS 7 come with the new naming scheme for the network devices. These features change the name of network interfaces on a…
Red Hat to ditch MySQL for MariaDB in RHEL 7
In a surprise move, Red Hat has announced that version 7 of Red Hat Enterprise Linux (RHEL) will ship with the MariaDB database installed by default, in place of MySQL. The…