OpenBSD install MariaDB database server

How do I install MariaDB database servers on OpenBSD Unix operating systems?

Introduction: 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

  1. mariadb-server – The MariaDB server.
  2. 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
$ doas pkg_add -v mariadb-server

How to install MariaDB client on OpenBSD

Simply run:
# pkg_add -v mariadb-client
$ 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
$ 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

Configure MariaDB on OpenBSD 6.x

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 searche 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

Securing MariaDB server installations to avoid compromising server

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 =
To LAN IP address
bind-address =
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 to any port 3306 keep state

Test it and reload the rules:
# pfctl -v -nf /etc/pf.conf
# pfctl -v -f /etc/pf.conf


You learned how to set up and install MariaDB on OpenBSD. For more information see the official MariaDB site here and pkg_add page here.

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Posted by: SXI ADMIN

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.


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