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.
Zabbix 5.2 - Why it's worth upgrading
Zabbix 5.2 has been released a few weeks ago and brought several improvements that increase management capabilities and support more granular control. A new set of triggers provide a whole new spectrum of alerting in assocation with host specific trends!
Scripting: FTP Upload behind a firewall
WinSCP - a small tool to connect to a ftp server in passive mode.
Linux - i/o monitor and test tools
This post shows a few tools that are useful to check for i/o issues on linux systems by watching current i/o or testing the subsystem explicitly.
openvpn 2.5 - using wintun
Starting with release 2.5 openvpn added support for wintun interfaces. To enable utilization of wintun interfaces, you need to make some adjustments.