Nagios Core remains one of the most battle-tested infrastructure monitoring platforms available. It watches your hosts, services, and…
Text processing is one of the most practical skills a Linux administrator uses daily. Log analysis, configuration file…
Managing Kubernetes clusters through the command line works fine for small environments, but as clusters grow in size…
WordPress is the most popular open-source content management system, powering over 40% of all websites on the internet.…
Kopia is an open-source backup tool that creates encrypted, deduplicated snapshots of your files and directories. It supports…
Windows Server Failover Clustering (WSFC) is a built-in feature of Windows Server that groups multiple servers into a…
OKD is the community distribution of Kubernetes that powers Red Hat OpenShift. It provides an opinionated platform built…
QuestDB is a high-performance open-source time-series database built in Java and C, designed for fast ingestion and SQL…
Gatus is an open-source health check and monitoring tool written in Go. It evaluates endpoints using HTTP, TCP,…
Zimbra Collaboration Suite is a full-featured email and collaboration platform that includes email, calendaring, contacts, tasks, and document…
HashiCorp Vault is a secrets management tool that centralizes the storage, access control, and encryption of sensitive data…
OpenStack is a free, open-source cloud platform for building private and public cloud infrastructure. It provides compute, storage,…
