How To Installing XenServer Tools On CentOS 7

In this guide, we will integrate the Google reCAPTCHA in the PHP contact form. Utilizing this Google reCAPTCHA code, we can validate the human users and protect the form of submission from bots. Integrating Google reCAPTCHA is recommended because It is an effective and efficient way of validating the user against bots. As we know…

Often time, you may need to know which file contains large file size, and delete it to save space. Here’s a code pattern to show you how to find large file size on Linux : 1. File size >= 100MB Find all files that have a size >= 100MB, from root folder and its sub-directories….

In this article, we will explain swap space, and learn how to create swap space using a swap file in Linux: this is important in case we don’t have a swap partition created on the hard disk. Swap space/partition is space on a disk created for use by the operating system when memory has been…

If you’ve ever gone in to a directory, for example a mail or log directory, and wanted to clear it of its contents, but faced an error like this: /bin/rm: cannot execute [Argument list too long] We have a solution for you. It’s nice and simple, and easy to remember. Paste and run the command…

OpenVZ useful commands Here is the list of some useful OpenVZ commands which should be run from the main node : 1. To fetch the consumption of disk for each container in the node along its it’s hostname and ctid vzlist -H -o veid,hostname,diskspace | awk ‘{ printf(“%d\t%s\t%.2f GB\n”, $1, $2, $3/(1024*1024))}’   2. To…