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On CentOS 7, FirewallD a default firewall management tool is enabled. In order to install iptables , we need FirewallD from server: # systemctl stop firewalld # systemctl disable firewalld # systemctl mask --now…
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FFmpeg is a free and open-source project consisting of a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams. It contains libavcodec, libavutil, libavformat…
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How to add swap space on CentOS 7, which is a type of virtual memory that can be used to extend the amount of physical RAM available to the system. This can be useful if you are running out of RAM and your system is…
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There are several ways to clone Linux Partition using some external tools like partimage or Clonezilla. In this exercise we are going to survey Linux partition cloning with a command called dd , which is most regularly…
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When you create a volume group, by default, it is activated. Sometimes you may need to activate it manually to make the kernel aware of volume groups. To activate, # vgchange -ay my_vg_name To De-activate, # vgchnage…
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cPanel EasyApache 4 Installing Redis and Redis PHP extension Installing the Redis daemon: for CentOS 6/RHEL 6 rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm rpm -ivh…
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Resetting email account password from Command line in cPanel 1) Login to the server as root via SSH 2) Run the command “openssl” and you will see this: test@test [~]# openssl OpenSSL> 3) Now in the OpenSSL prompt give…
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Check Ubuntu version before upgrading. lsb_release -a First, we have to run an update sudo apt update Then run upgrade command sudo apt upgrade After that dist-upgrade sudo apt dist-upgrade Then update core manager sudo…
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In IIS 7, 8, 8.5, 10 , you can add below code in the Option “URL Rewrite” when you click on the domain or in web.config file, as the .htaccess will not work as it works for Linux servers: <?xml version="1.0"…
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Get the mailids of all email currently in queue: postqueue -p|egrep "[A-F0-9]{11}"|awk '{print $1}' Get the count of emails in queue: mailq | tail -n 1 or postqueue -p|egrep "[A-F0-9]{11}"|awk '{print $1}'|wc -l List…
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