How to Grant a New User to Root Privileges on CentOS 6 / CentOS 7
One recommended way to manage virtual private server (VPS) or a dedicated linux server is not using the root account as the main access for SSH login. This is because…
How to Install LAMP on CentOS 7 / RHEL 7
The LAMP stack, an acronym for Linux, Apache, MySQL/MariaDB, and PHP, is a popular open-source software group that allows you to run a web server and host dynamic websites. In…
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
Introduction The SCSI (Small Computer System Interface) is a protocol used to communicate with storage devices such as hard drives, tape drives, and CD/DVD drives. SCSI is used in many…
How to Add a New Hard Disk Without Rebooting on CentOS 7/ RHEL 7
Normally when you have added new storage to a running Virtual machine, you probably won’t see the new storage automatically. This is because the SCSI bus to which the storage…
How to Prepare for Zimbra 8 Installation Prerequisites on RHEL 7/CentOS 7
Before we install Zimbra 8, I would recommend you to meet all of these requirements. Some software prerequisites should be installed first, then setup the DNS and MX records, provides…
How to Install Zimbra 8.6.0 on RHEL 7/CentOS 7
Zimbra 8.6.0 brings new features, improvements in Mail server and better web clients experience. Some that caught my attention was local lmtp client can communicate over ssl for mail server,…
How to Setup VsFTPD Service with SSL/TLS on Linux CentOS 7 / RHEL 7 / Oracle Linux 7
If you have your own dedicated server or virtual private server that run in linux operating system to host your website or blog, it is recommended to install and setup ftp Service in…
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:…
How to Setup Bind DNS Server in Chroot Jail on CentOS 7
BIND (Berkeley Internet Name Daemon) also known as NAMED is the most widely used linux dns server in the internet. This tutorial will explain how we can setup BIND DNS…
Ldapsearch Examples for 389 Directory
This post will show you the list of ldapsearch examples for 389 Directory. This ldapsearch examples assumes the following: a)This ldapsearch is search for uid in the directory. b)The 389…
How to Install and Use Traceroute in Linux RHEL 6/7, CentOS 6/7, Oracle Linux 6/7
Traceroute command is a network diagnostic tool for displaying the route packets take to network host or destination. It shows how long each hop will takes and how many hops…