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Objective This articles describe on installing the paravirtualized drivers on a linux operating systems like centos, redhat, ubuntu Instructions 1. Insert the XenTools ISO in the DVD drive of the Linux VM2. Mount the DVD drive to /mnt using : “mount /dev/xvdd /mnt”It says , mount : block device /dev/xvdd is write-protected, mounting read-only  The…

[root@srv01 demo]# grep -rl ‘from test old’ . | xargs sed -i ‘s/from test old/from test new/g’

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…

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…

To print a list of the messages in the queue, enter: # exim -bp To remove a message from the queue, enter: # exim -Mrm {message-id} To remove all messages from the queue, enter: # exim -bp | awk ‘/^ *[0-9]+[mhd]/{print “exim -Mrm ” $3}’ | bashsuggested following clean command:# exim -bp | exiqgrep -i…