I've been running Linux systems for 20+ years, servers, VMs, bare metal, all of it.
I post one practical tip every day: SSH tricks, Bash scripts, AWS shortcuts, DevOps tools, Tech News.
Real commands from a real terminal. If you live in the Linux world, follow along.
Quick Linux Tip #103
Q: Something is pegging my CPU. How do I pinpoint it with real-time refresh?
Try:`top -b -n 1 -o %CPU | head -20`
Info: Single snapshot sorted by CPU for quick checks.
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Quick Linux Tip #102
Q: DNS is failing intermittently. How do I trace the resolution path?
Try:`dig +trace +noanswer google.com`
Info: Traces full DNS path to locate resolution delays.
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical
Quick Linux Tip #101
Q: A single TCP connection seems slow. Can I measure its real throughput?
Try: `sudo iftop -i eth0 -nNP -f 'port 443'`
Info: top for bandwidth; tracks socket throughput
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical Linux