Centos 7/RHEL 7 - Coimbatore Webhosting

Running AutoSSL for a user can error with “failed to obtain filesystem information: Permission denied”

Cpaenl error message shows ,The system failed to obtain filesystem information about “/var/cpanel/ssl/apache_tls/domain.com/combined” because of an error: Permission denied. This error will occur in cpanel server when ever user logged in to cpanel dash board. When running AutoSSL for a user, the system failed to obtain filesystem information about “/var/cpanel/ssl/apache_tls/sub.domain.tld/combined” Read more…

By Balaji C, 3 yearsNovember 8, 2021 ago

Centos 7/RHEL 7

Top 13 Basic Cat Commands in Linux

In this article, we are going to find out the handy use of cat commands with their examples in Linux. The cat (short for “concatenate“) command is one of the most frequently used commands in Linux/Unix-like operating systems. cat command allows us to create single or multiple files, view content Read more…

By Balaji C, 3 yearsOctober 5, 2021 ago

Centos 7/RHEL 7

How to verify DDOS attack with ‘netstat’ command on Linux

How to verify DDOS attack with netstat command on Linux Your server appearing pretty slow could be many things from wrong configs, scripts and dodgy hardware, but sometimes it could be a cause someone is flooding your server with traffic known as DoS ( Denial of Service ) or DDoS Read more…

By Balaji C, 3 yearsAugust 20, 2021 ago

Centos 7/RHEL 7

How to Find and Kill All Zombie Processes in Linux

How to Find and Kill All Zombie Processes On Unix operating servers, a zombie process or defunct process is a process that has completed execution but still has an entry in the process table, allowing the process that started it to read its exit status. It almost always means that Read more…

By Balaji C, 3 yearsAugust 19, 2021 ago

Centos 7/RHEL 7

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 Read more…

By Balaji C, 3 yearsJuly 12, 2021 ago

Centos 7/RHEL 7

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 Read more…

By Balaji C, 3 yearsJuly 12, 2021 ago

Centos 7/RHEL 7

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 of a running Read more…

By Balaji C, 3 yearsJuly 5, 2021 ago

Centos 7/RHEL 7

Monitor Real time resource usage in CloudLinux – lvetop

Monitor Real time resource usage in CloudLinux CloudLinux OS is the leading platform for multitenancy. It improves server stability, density, and security by isolating each tenant and giving them allocated server resources. This creates an environment that feels more like a virtual server than a shared hosting account. By doing so, Read more…

By Balaji C, 3 yearsJuly 3, 2021 ago

Centos 7/RHEL 7

How to config Time and date on CentOS 7 (NTP)

How to config Time and date on CentOS 7 (NTP) The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. NTP time servers work within the TCP/IP suite and rely on User Datagram Protocol (UDP) port 123. NTP servers are normally dedicated NTP devices that Read more…

By Balaji C, 6 yearsDecember 27, 2018 ago

CPANEL / WHM

How to setup the Firewall on Dedicated Linux Server

Basic Firewall Setup on Dedicated Linux Server A firewall will stop any unusual activities on one network from being passed on to another network. In most systems the Linux kernel is compiled with IP forwarding set to yes. This means is that if the computer has more than one network Read more…

By Balaji C, 6 yearsDecember 20, 2018 ago