How to Install IonCube Loader in CentOS 6 / CentOS 7
What is IonCube Loader ? IonCube Loader is a PHP module or extension for PHP files decoding encrypted and is often required for many applications based on PHP. It helps…
Nginx Released Version Nginx 1.6.3
Nginx is lightweight fast web server/reverse proxy and e-mail (IMAP/POP3) proxy. On April 7, 2015, Nginx officially released nginx-1.6.3 stable version which includes the following changes and bug fixes :…
How to Install and Update OpenSSL on CentOS 6 / CentOS 7
I have CentOS 6 server and still running with OpenSSL 1.0.1e (openssl-1.0.1e-30) that vulnerable to a remote attacker to access parts of memory on systems using vulnerable versions of OpenSSL….
How to Calculate and List Sizes of MySQL / MariaDB Databases
Question : I am finding the best way to calculate and list sizes of MySQL or MariaDB Databases ? Answer : In order to achive this, please do the following….
How to Use Fail2ban to Stop/Prevent SSH Brute Force on Linux
Brute-force break-in attempts are quite frequent against the SSH server. However, there is an open source software that can help you deal with this problem automatically, namely fail2ban. Fail2ban provides…
How to Check and Verify the Version of Python on CentOS 6 / CentOS 7
Python is a popular programming language, which is widely used, high-level programming languages ??and has a design philosophy that emphasizes code readability. It is considered as a programming language that…
How to Disable Autostart for a Service at boot on Linux CentOS 7 / RHEL 7
Question : Due to some reason, I had to stop a service on linux CentOS 7. But when i restarted the server, the service starts again automatically. How to stop…
How to Reclaim Free Space for Linux Root Partition using Zerofree
This article discussed about how we can reclaim the free space for linux root partition that was implemented using thin provisioned disks in Linux VMware virtual machine (VM). Common advantages…
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…
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…
4 lvcreate Command Examples on Linux
Logical volume management (LVM) is a widely-used technique and extremely flexible disk management scheme. It basically contain three basic commands: a. Creates the physical volumes using pvcreate b. Create the…
How to Install Webmin 1.720 on CentOS 6/RHEL 6
Webmin is a web-based free software that is created for the administration of the system for linux and unix . It is managed through the graphical web interface that is…