How To Installing XenServer Tools On CentOS 7

On some occasions apache server will just fail, and become crashed, failing to restart with an error message like # tail /var/log/httpd/error_log [Sun Dec 22 10:05:27.006998 2013] [core:emerg] [pid 15001:tid 140145945569216] (28)No space left on device: AH00023: Couldn’t create the fcgid-proctbl mutex [Sun Dec 22 10:05:38.000403 2013] [core:emerg] [pid 15018:tid 140368783902656] (28)No space left on…

Disk Extend EXT2/3/4 and XFS root partition without LVM Looking for steps to grow your KVM VM/Container’s partition after extending root OS size or extending ext2/3/4 and XFS root partition without LVM at runtime. Steps to extend root partition without LVM are quite easy and can be followed without going into many technical details. This…

Well, to get rid of this you need to set phpMyadmin variable to either 0 that is unlimited or whichever value in seconds you find suitable for your needs. Or you could always use CLI(command line interface) to not even get such errors(For which you would like to take a look at this link. Now…

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….

Introduction SQLi is the manipulation of a security flaw in database systems. WordPress, as a platform, runs server-side scripts in PHP and uses SQL databases. Hence, SQL and PHP make WordPress websites vulnerable to attackers. They could insert malicious URLs (which are embedded with commands) that trigger unwanted behaviors from your database. Consequently, your database’s…

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…