Enswitch requires MySQL 5.6 or later. Install this using a package for your Linux distribution. Alternatively, you can use MariaDB 10.0 or later if you prefer.

Debian / Ubuntu using System V init scripts:

• apt-get install default-mysql-server # If this fails, use "apt-get install mysql-server" instead.
• service mysql stop
• rm /var/lib/mysql/ib_logfile*

Debian / Ubuntu using systemd:

• apt-get install mysql-server mysql-client
• systemctl stop mysql.service
• rm /var/lib/mysql/ib_logfile*

Devuan:

• apt-get install mysql-server mysql-client
• service mysql stop
• rm /var/lib/mysql/ib_logfile*

CentOS 7:

• yum -y install mariadb-server

CentOS 8 and later or Rocky Linux:

• dnf install -y mysql-server

Others:

• yum -y install mysql-server

Note that on some recent distributions, such as Fedora 20 or later, installing mysql will actually install mariadb.