Linux

Upgrade PostgreSQL on Docker

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A step-by-step tutorial on safely migrating your PostgreSQL data between major versions on Docker. Upgrading a major version of PostgreSQL, such as from 17 to 18, isn’t a simple in-place process because the underlying data storage format can change. When running PostgreSQL in Docker, the recommended method is a classic “dump and restore.” This guide … Read more

Add Docker monitoring to checkMk Raw

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Find the url for the plugin you want to install Setup > Agents > Other operating systems Copy the plugin url to clipboard Most plugins require python3. The check if python is installed correctly, use: We will also need the python docker libraries installed. If you do not have pip installed, use: Let’s grab the … Read more