Upgrade MariaDB 5.5 to 10.1 on CentOS 7 Plesk Server

CentOS 7 Plesk Server come with MariaDB 5.5

The rpm packages installed where

To upgrade MariaDB, first take a backup of all databases.

Stop MariaDB databases

Make another backup of data files

Create file

Add following content

Now run

This will upgrade your MariaDB 5.5 to MariaDB 10.1

Start MariaDB

At this point, you have newer MariaDB 10.1

You need to upgrade databases, for this, run

Restart MariaDB

update the package version inside Plesk

Remove old MySQL symlink

Open MySQL Port 3306 in CentOS 7

To allow MySQL to connect from remote server on CentOS 7 server, you need to enable port 3306 in firewall.

To do this, edit file


Add above

Restart server.

yum repolist

List all Repositories

List packages from a specific repo

Following command disable all repos and enable EPEL repo.

See yum

Install python 3.6 on CentOS 7

CentOS 7 come with Python 2.7. To install python 3.6, first install EPEL repo.

Install IUS repo.


For CentOS 7, run

Now you can install python 3.6 with yum

Python 3.6 binary will be available as “python3.6” and “pip3.6”

Google Remote Desktop

Google Remove Desktop allow you to connect/share your share your computer with others.


You need google chrome browser to install Google Remote Desktop. To install go to


Click on the download link

Chrome Remote Desktop Plugin Download

This will download and install Google Remote Desktop plugin in your computer.

To access the plugin, open a new Tab in google chrome

Chrome New Tab

Click on “App”. On next page, you will have link to start Chrome Remote Desktop.

Chrome Apps

Click on “Chrome Remote Desktop”

Google Chrome Remote Desktop

To share your computer with others, click on green Share button. If you have not already installed software, you will be asked to install google remote desktop software, then you get a invite code, that you can share with others to give access to your computer.

Find Plesk License key

To find Plesk serial number on Linux server, run

You can also use

But the plesk_key_id you get is in diff format, plesk themself won’t accept this when you submit a support ticket.

You can also find Plesk License key by logging into Plesk

Plesk > Tools & Settings > About Plesk

About Plesk

On next page you will see

Plesk License Number