The Sovereign Cloud Stack (SCS) is the open-source base for the federated data infrastructure project Gaia-X.

Poul-Henning Kamp on why it's time for governments to establish IT accident investigation boards.

»Writing a SQLite clone from scratch in C.«

MySQL backup tool.

»Rustpad is an efficient and minimal open-source collaborative text editor based on the operational transformation algorithm.«

»OpenVAS is a full-featured vulnerability scanner.«

XCP-ng is an open-souce Hypervisor based on XenServer.

Harvester is a bare metal HCI solution by SUSE.

Version 22 of Nextcloud Hub is now available. Some of the improvements: User-defined groups, integrated chat and task management, PDF document signing, and integrated knowledge management.

This week, version 7 of the Proxmox Virtualization Environment landed. It is already based on the upcoming Debian 11, and among other improvements, it supports using BTRFS and Ceph version 16.2.

In this post, the author gives a short introduction to using virt-backup for KVM backups.

Dan Langille on upgrading jails with mkjail without a jail manager being involved.

In his LISA21 talk, Brendan Gregg gives an overview and makes some predictions on server performance.

TCP Fast Open allows the initial SYN packet to contain data. This post shows what practical challenges TFO is currently facing.

This blog post gives a brief introduction to the Border Gateway Protocol (BGP).

The author explains how Postgres out-of-memory situations are handled differently on cloud instances.

Post-Mortem über einen Incident mit dem Ceph-Cluster bei Uberspace, verursacht durch eine Spannungsschwankung.

Introduction to CMake.

In this blog post, the author introduces his custom build 25 Gbit/s Internet router.