linux networking

linux networking

How to Check Network Speed in Linux: The Essential Guide Every Admin Needs

Robert Johnson

Learn how to check network speed in Linux using ethtool, speedtest-cli, and iperf3. Master bandwidth monitoring with real-world examples for 2025.

How to Use Traceroute in Linux: The Network Diagnostic Tool Every Admin Needs

Robert Johnson

I still remember the first time a user complained that “the internet was slow.” Fresh out of college, armed with ...

How to Check Network Interface in Linux: The Complete Guide

Robert Johnson

Master Linux network interfaces with ip, nmcli, and ethtool commands. Learn to troubleshoot connectivity issues and understand network interface names.

How to Use Ping Command in Linux: Complete Guide with Examples

Robert Johnson

Master the Linux ping command for network troubleshooting. Learn ICMP basics, essential options, practical examples, and advanced techniques from a sysadmin with 10+ years experience.

How to Check Open Ports in Linux: The Complete Guide

Robert Johnson

Learn how to check open ports in Linux with ss, netstat, lsof, and nmap. Complete guide with practical examples, troubleshooting tips, and security best practices for 2025.