Linux
Reducing ceph filesystem overhead on virtual systems Paid Members Public
Running ceph clusters with cephfs may allocate more disk space than you expect - especially on virtualized environments. This guide might provide a solution for that.
Using AzureCli with command completion on windows Paid Members Public
If you're working with azure you're propably also working with AzureCli. This article shows how to get usable command completion on your client.
docker daemon not starting after upgrade Paid Members Public
Having upgraded docker you may come into a situation where the docker daemon itself doesn't start anymore because of an issue with firewalld.
Docker - Hardening with firewalld Paid Members Public
Containers are no virtual machines - yet we might want to treat hosts running container workloads like hypervisors and apply limitations on container networking. This guide describes a way to limit container networking on docker based container hosts using firewalld.
Nextcloud - NativeReadStream excess data will be lost Paid Members Public
Running nextcloud with smb as external files runs into an issue starting with some of the latest releases - we saw the issue first on release 21.0.1. This guide describes how to implement a workaround until an official fix is available.
Ceph - OSD restore performance Paid 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.
Add bash command auto completion Paid 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.
Creating and mounting filesystems using cephfs Paid 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.
