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Martin Wendler

Martin Wendler

📍 Germany

PostgreSQL: Use CheckMk to monitor PostgreSQL

CheckMk is a great tool for monitoring. But it does not only do that for operation systems, you will also be able to monitor your PostgreSQL databases. To do that, you'll need two things: * The PostgreSQL plugin * A configuration file To get the PostgreSQL plugin, you can download

InfluxDB: Install Telegraf on Linux to collect metric data

"Telegraf is an open source server agent that helps you collect metrics from your stacks, sensors, and systems." We can use Telegraf to collect metric data and save it to InfluxDB. I'll use the installation script from the Influx web site: # curl --silent --location -O \ https:

Docker: Monitor Docker using CheckMk

CheckMk is also a great tool, not just for normal systems, but also for Docker installations. Especially when running Docker in a production environment, it's highly recommended to monitor all the services. Fortunately, there's a Docker plugin for CheckMk. Prerequisites CheckMk Plugin for Docker First, you&

MongoDB: Use Docker Compose for MongoDB

This is how to use Docker Compose to configure and start a container using MongoDB community server

MySQL: Use CheckMk to monitor MySQL

CheckMk is a great tool for monitoring. Especially when it comes to standard functions for operating systems. But CheckMk is also great for the monitoring of MySQL databases. If you want to use it, just install the CheckMk agent on the MySQL server. Additionally, you'll need the MySQL

MariaDB/MySQL: Migrate from MariaDB to MySQL (using MySQL Shell)

This blog post is about how to migrate from MariaDB to MySQL using MySQL Shell.

MySQL: Deploy InnoDB ClusterSet

What is InnoDB ClusterSet MySQL: "MySQL InnoDB ClusterSet provides disaster tolerance for InnoDB Cluster deployments by linking a primary InnoDB Cluster with one or more replicas of itself in alternate locations, such as different datacenters. InnoDB ClusterSet automatically manages replication from the primary cluster to the replica clusters using

Oracle: Which updates to install

In my IT carreer, I often come to new customers I didn't know before. So I don't know their infrastructure. As I'm a DBA, I'm not interested in application servers (besides telling the customer that Operating Systems and standard applications should always

TimescaleDB: Use Docker Compose for TimescaleDB

This time, I'm showing how to use Docker Compose to run TimescaleDB