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Tutorials
20 posts
10 Powerful mtr Command Examples for Network Troubleshooting
Ping tells you a host is reachable. Traceroute tells you the path. The mtr command does both at…
9 Essential Restic Backup Commands for Linux Servers
I lost a week of work once because my backup “strategy” was a cron job running rsync to…
Lazydocker Terminal UI: 5 Practical Ways to Simplify Docker
Managing Docker from the command line means juggling half a dozen commands. docker ps, docker logs, docker exec,…
9 Powerful k9s Kubernetes TUI Features That Replace kubectl
Managing a cluster with raw kubectl means typing the same long commands hundreds of times a day. The…
Dive Docker Tool: 4 Powerful Ways to Shrink Your Images
Most Docker images ship with megabytes of junk nobody notices. Build caches, apt lists, temp files, duplicated layers.…
7 Powerful OpenSnitch Firewall Tips to Control Outbound Traffic on Linux
Most Linux firewalls watch traffic coming in. Almost none of them ask what your applications are sending out.…
7 Powerful Trippy Command Examples for Network Tracing on Linux
Traceroute shows you a path. Ping shows you latency. The trippy command gives you both at once, in…
7 Powerful Ways to Use the Sniffnet Network Monitor on Linux
Most traffic analysis on Linux happens in a terminal, usually with tcpdump or Wireshark. The Sniffnet network monitor…
7 Powerful witr Command Examples: Find Why Any Process Is Running on Linux
The witr command answers one question that ps, top, and systemctl all dance around: why is this thing…
10 Powerful FFuF Fuzzing Tool Examples for Web Penetration Testing
The ffuf fuzzing tool (short for Fuzz Faster U Fool) is a Go-based web fuzzer that security professionals…