Dig is a powerful and flexible tool for interrogating domain name system (DNS) servers. In this post, we’ll take a deep dive into how it works and what it can tell you. Dig is a powerful and flexible ...

From containers and VPNs to VLANs and firewalls, Linux networking has become the backbone of modern home labs and servers. But no matter how advanced the setup, the same core commands keep showing up ...

Learn how to test CDN performance from the command line using curl and dig. Measure TTFB, DNS latency, cache hits vs misses, ...

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig. There are a lot of commands ...