Zabbix vs Prometheus — which is the best monitoring tool? I first wrote about this question in 2019, when I was tearing out a monitoring stack I disliked and evaluating open-source replacements. Since then I’ve designed observability …

Hybrid cloud architectures connecting Azure and AWS through site-to-site VPN tunnels are increasingly common. What is far less common is proper monitoring of those tunnels. Most teams configure the VPN, verify it works once, and then …