
Spamhaus is adjusting it's rbl return codes
Spamhaus is adjusting the RBL return codes that are served using their public mirrors. If you're using spamhaus, you should review your configuration.

Adding storage to a ceph cluster
Ceph is meant to store data. A natural requirement therefore is to add data to the cluster in order to provide the cluster the ability to actually store data. This article describes how to add storage to your existing cluster.

Debian - Kernelupdate via backports
Working with machines running on debian is great - debian is a distribution that focuses on stable environments. Providing stability comes - as everything - with a cost: Packages provided with a distribution are not latest & greatest, they are proven. TL;DR Using debian backports is a good way

Running syslog in a container
Many linux based applications are built with OS logging facilities in mind - especially syslog. This guide covers how to run syslog on a container workload.

Setting up a ceph cluster
Ceph is an open-source storage platform that is built on top of an object storage and provides different ways to build application storage on top. This article will focus on how to deploy a ceph cluster from zero.

Adding trusted root ca certificates on linux
This guide shows how to add trusted root cas on on debian or ubuntu based linux systems to enable seamless TLS encryption using your internal PKI.

The case of HTTP2 protocol error and chromium net-log
Migrating some of our internally used services to a new reverse proxy layer i've been struggling with ERR_HTTP2_PROTOCOL_ERROR when accessing a migrated service.

Ceph - Upgrade feature levels
Upgrading distributed systems implies running everything so it's compatible. Ceph is using feature maps to ensure compatibility. This article shows how to ugprade the feature level of a ceph cluster.