Don’t get blocked by QOS – RabbitMQ Quality Of Service work-around
We look into how to fetch messages manually so we don't prefetch any messages and create bottlenecks for longer running processes.
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Going though the process of solving the advent of code challenges for this year.
How to resize a osd in Ceph
After a critical failure, we look into resizing an OSD in our Ceph environment. Unfortunately, the drive is entire, so resize of the OSD was the only option to start the service.
How to use autotools (automake, autoconf, aclocal, autoheader)
We go through how to to create a package to for a cross platform build script. Using the tools autoconf and automake to create Makefile to make and install your c program.
How to write an auto clicker in Java
After my kid asked me to download and install an auto-clicker, I saw this as a teachable moment to build one in Java. I could talk about the different concepts Java offers and also explore a new API in the Java API. Source code: package org.ea; import javax.swing.*; import java.awt.*; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import…
Getting started with ceph storage cluster setup
We look into ceph storage building our own cluster using the ceph storage engine. A cluster usually contains multiple monitors, object storage daemons, managers and metadata servers. We talk about what their role is and how to install machines to handle this. We also cover what requiredments a ceph cluster has.