Fail2ban has been the default answer for “block brute-force attempts” on Linux servers for over a decade. It…
You want a VPN that lives on your own box, terminates where you decide, and logs exactly what…
A freshly installed Ubuntu 26.04 server is reasonable out of the box, but it is not hardened. Default…
Every remote worker, every road-warrior laptop, every home-lab server that needs to reach the office safely ends up…
Centralized logging stops being a luxury the moment you run more than a couple of servers. Tailing files…
Some monitoring stacks make you pick between feature-rich and heavy. Prometheus plus Alertmanager plus Grafana is amazing, but…
A fresh Ubuntu 26.04 server accepts connections on every open port by default. That is fine on a…
Netdata gives you per-second metrics with zero configuration. Install it, open port 19999, and you’re monitoring everything the…
Zabbix 8.0 LTS is Zabbix’s latest long-term support release, backed by five years of support through 2029. On…
Nagios Core has been monitoring infrastructure since before Kubernetes existed. It’s not the flashiest dashboard, but it catches…
Grafana turns raw metrics into dashboards you actually want to look at. On Ubuntu 26.04 LTS, the official…
ArgoCD watches a Git repository and keeps your Kubernetes cluster in sync with it. That’s GitOps in one…
