Once you have installed Apache and PHP in your server and the .htaccess redirect is not working properly It was due to the Apache configuration.

When you execute shell script from a browser or a ssh connection without password, if you got an error sudo sorry, you must have a tty to run sudo.

Avconv is an open source package used of fast video and audio converter including grab from a live audio/video source, also can be convert between arbitrary sample rates and resize the videos.

EPEL extension is extra packages for enterprise Linux, its helps and provides to creates, maintains, manages additional packages for enterprise Linux like, CentOS, RHEL, Scientific Linux, Oracle Linux

You may get an error Berkeley DB error, the Berkeley DB is probably corrupt and also get information from the Exim log.

We can manually stop the unwanted MySQL query process using mysqladmin command,

We have already discussed about how to install and configure SSH2 extension in XAMPP in Linux System, same process will configure in your PHP.