Configuring FTP Passive ports range in cPanel FTP uses two ports, a data port and a command port, to transfer information between a client and a server. During a typical active mode session, the command port uses port 21 and the data port uses port 20. When you use a passive mode, however, the data […]
How to Empty or Delete a Large File Content in Linux
How to Empty or Delete a Large File Content in Linux While dealing with files in Linux terminal and want to clear the content of a file without necessarily opening it using any Linux command line editors. How can this be achieved? In this article, we will go through several different ways of emptying file […]
Linux Common Firewall Rules and Commands in iptables
Linux Common Firewall Rules and Commands in iptables What is firewall? A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. In this post, we are going to show you some linux common firewall […]
What is Xen ?
What is Xen ? The Xen hypervisor, the most powerful open source industry standard for virtualization, it supports a wide range of guest operating systems including Windows, Linux, Solaris, and various versions of the BSD operating systems.It offers powerful, efficient, and secure feature set for virtualization of x86, x86_64, IA64, ARM, and other CPU architectures. […]
Installing Icinga web 2 on CentOS7 / RHEL 7
Installing Icinga web 2 on CentOS7 / RHEL 7 In this post we are going to see the installation of Icinga web 2, a web interface for Icinga 2 where we can monitor our whole infrastructure in single place. Icinga is an open-source computer system and network monitoring application. It was originally created as a […]
How to check memory usage on CentOS Server
How to check memory usage on CentOS Server Linux operating system comes with many commands to check memory usage. The “free” command usually displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. The “top” command provides a dynamic real-time view […]
cPanel Logs – Apache, Access, Email, Error, FTP, MySQL, WHM
cPanel Logs – Apache, Access, Email, Error, FTP, MySQL, WHM cPanel uses a graphical interface to make web hosting super easy, but there are command line tools you could familiarize yourself with for advanced troubleshooting. cPanel logs most activity that happens on a server to log files so you can go back and review log […]
How to enable and customize PHP-FPM directives for a domain/server wide
How to enable and customize PHP-FPM directives for a domain or server wide in cPanel What is PHP-FPM? PHP FastCGI Process Manager (PHP-FPM) is an alternative FastCGI daemon for PHP that makes a website capable of handling strenuous loads. By setting specific amounts of resources, it even allows a host to process a domain’s requests. […]
Web Server migration without down time (WHM)
Web Server migration without down time (WHM) The term server migration would bang you at least once. Well, this arises due to a number of factors such as moving to a powerful server in order to have better resources to process data, change in environment like updating to a newer version of your program or […]
Mytop – A Useful Tool for Monitoring MySQL/MariaDB
Mytop – A Useful Tool for Monitoring MySQL/MariaDB Mytop is an open source and free monitoring program for MySQL and MariaDB databases was written by Jeremy Zawodny using Perl language. It is much similar in look and feel of the most famous linux system monitoring tool called top. Mytop program provides a command-line shell interface […]