Daniel Nachtrub

Kind of likes computers. Linux foundation certified: LFCS / CKA / CKAD / CKS. Microsoft certified: Cybersecurity Architect Expert & Azure Solutions Architect Expert.

Ceph - OSD restore performance Members Public

When ceph restores an OSD, performance may seem quite slow. This is due the default settings where ceph has quite conservative values depending on your application workload. Especially if you're running workloads with many small objects (files), the default values may seem too slow.

Daniel Nachtrub
Daniel Nachtrub
Linux

Add bash command auto completion Members Public

Working with latest releases of ubuntu linux shows how well bash command auto completion works. Having seen this feature once you no longer want to miss it. This guide describes how easy auto completion can be added to bash.

Daniel Nachtrub
Daniel Nachtrub
Linux

Creating and mounting filesystems using cephfs Members Public

Having a ceph cluster cluster up and running you may want to add a filesystem that can be accessed by multiple nodes at the same time (distributed filesystem). This is where cephfs kicks in. Steps required to setup a cephfs and mount it on clients are described in this article.

Daniel Nachtrub
Daniel Nachtrub
Linux

Spamhaus is adjusting it's rbl return codes Members Public

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

Daniel Nachtrub
Daniel Nachtrub

Adding storage to a ceph cluster Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Linux

Debian - Kernelupdate via backports Members Public

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

Daniel Nachtrub
Daniel Nachtrub
Linux

Running syslog in a container Members Public

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.

Daniel Nachtrub
Daniel Nachtrub

Setting up a ceph cluster Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Linux