Replication
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MySQL/MariaDB
ERROR 1047: WSREP has not yet prepared node for application use
On replicated databases, you need to achieve quorum. That means you need to have an odd number of MariaDB/MySQL database…
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MySQL/MariaDB
Automatically Restart MariaDB Galera On Failure Ubuntu
Database replication is a great tool to have in any Linux Server Administrators’ toolbox. The ability to spread data over…
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MySQL/MariaDB
Add Additional MariaDB Galera Hosts/Servers To Database Cluster
One of the great advantages of a MariaDB Galera cluster is the ability to scale up and down with ease.…
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Email
Install Postfixadmin on Ubuntu Postfix email Servers
This is part four of our series on how to install a Postfix email server. In part one we installed…
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MySQL/MariaDB
Install MariaDB Database Replication. MariaDB Galera Database Cluster
Buckle up. We’re going to take another look at replicating MariaDB databases. Previously we’ve looked at MySQL Replication using the…
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MySQL/MariaDB
How To Replicate MySQL Databases Using MySQL Replication
A common issue when trying to introduce High Availability is what do to with your database. There are multiple options.…
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MySQL/MariaDB
How To Configure/Set up MySQL Master-Master Replication
MySQL Master-Master replication evolved from the binary MySQL Master-Slave Replication. In a Master and Slave environment, database changes are made…
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MySQL/MariaDB
Reset MySQL Replication Slave – Replica_SQL_Running No
MySQL Replication is a great tool and also a needed tool for high availability. Unfortunately, it’s temperamental, to say the…
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Load Balancing
Load Balance MySQL Connections With HAProxy
Recently, we went through the process of load-balancing HTTPS connections with HAProxy. In this article, we are going to Load…
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