Traceroute is still a great tool, but mtr ("my traceroute") provides even more insights when you're looking into network routing problems. The mtr tool—“my traceroute”, originally “Matt’s traceroute” ...

The ifconfig and netstat commands are incredibly useful, but there are many other commands that can help you see what’s up with you network on Linux systems. Today’s post explores some very handy ...

This column is the third in a series dedicated to one of my favorite subjects: troubleshooting. Because my column generally is aimed more at tips and tricks and less on philosophy and design, I don't ...