MariaDB is a drop in replacement for Oracle MySQL servers. MariaDB is a multithreaded SQL database with a command syntax very similar to mSQL. This page shows how to install MariaDB server on OpenBSD. There are two packages of MariaDB on OpenBSD 6.4.

 

mariadb-server – The MariaDB server.

mariadb-client – The client side of MariaDB server including mysqlclient library and headers for the MariaDB client API.

 

How to search for MariaDB packages

 

Run the following pkg_info command along with grep command:

pkg_info -Q mariadb

 

Search for PHP client that can access mariadb server:

pkg_info -Q mariadb | grep php

 

OpenBSD install MariaDB database server using pkg_add

 

Type the following pkg_add command to install MariaDB on OpenBSD 6.4:

# pkg_add -v mariadb-server

 

OR

$ doas pkg_add -v mariadb-server0

 

How to install MariaDB client on OpenBSD

 

Simply run:

# pkg_add -v mariadb-client

 

OR

$ doas pkg_add -v mariadb-client

 

How to enable and start MariaDB server at boot time on OpenBSD

 

To configure and control daemons and services on OpenBSD use rcctl command

 

Enable MariaDB

 

# rcctl enable mysqld

 

OR

$ doas rcctl enable mysqld

 

Initialize MariaDB data directory

 

You need to run mysql_install_db command. It initializes the MariaDB data directory and creates the system tables:

# mysql_install_db

 

Start MariaDB service on OpenBSD

# rcctl start mysqld

 

Stop MariaDB service on OpenBSD

# rcctl stop mysqld

 

Restart MariaDB service on OpenBSD

# rcctl restart mysqld

 

Check MariaDB service status on OpenBSD

# rcctl check mysqld

 

Verify that MariDB service running and port is open

 

Run pgrep command to search the process named mysqld:

# pgrep mysqld

 

Another option is to run ps command:

# ps aux | grep mysqld

 

Verify that TCP port 3306 is open using netstat command:

# netstat -f inet -na
# netstat -f inet -na | grep 3306

 

How to secure MariaDB installation

 

Run the following script:

# mysql_secure_installation

 

How to test MariaDB installation

 

Run the following mysql command:

mysql -u root -p

 

How to configure MariaDB on OpenBSD 6.4

 

Edit /etc/my.cnf file:

# vi /etc/my.cnf

 

For example, change IP address binding from localhost:

bind-address = 127.0.0.1

 

To LAN IP address 198.184.24.2:

bind-address = 198.184.24.2

 

Save and close the file. Restart mysqld service on OpenBSD:

# rcctl restart mysqld

 

How to open MariaDB port using PF firewall on OpenBSD

 

Simply add the following rule to /etc/pf.conf

 

pass in proto tcp from 192.168.2.0/24 to any port 3306 keep state

Test it and reload the rules:

# pfctl -v -nf /etc/pf.conf
# pfctl -v -f /etc/pf.conf
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