Linux sysadmin from India . Daily tips on Linux, Bash, SSH, AWS, DevOps & Tech News from 20+ yrs in the terminal. One practical command every day.
India
Joined December 2014
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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.
Debian Stable vs Testing vs SID Explained
Read more: linuxteck.com/debian-stable-…
🟢 Stable (Trixie) – Reliability
🔵 Testing (Forky) – Newer packages
🟣 Unstable (Sid) – Latest uploads
Understand package flow, stability, risks, and useful APT commands.
#LinuxTeck #Debian #Linux
Quick Linux Tip #120
Q: A rogue script is calling an external API. How do I find and stop it?
Try:`sudo ss -tnp dst 203.0.113.45`
Info: Filters connections by IP.
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical Linux tip every day.
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical Linux tip every day. For more #LinuxTips click here linuxteck.com/linux-tips/
Securing a deployment pipeline for a whole team is a different problem from securing your own - with many hands on the code, you can't rely on everyone being careful, so you build guardrails.
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Day 9 of learning Linux: cp, mv and rm in a 3D file warehouse, plus the danger zones: silent overwrites and rm -rf, and how -i keeps you safe.
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Quick Linux Tip 64 - How to Write an ISO to USB in Linux (dd command) youtu.be/U4a5z2wD2RI?si=D_QV…
Quick Linux Tip #119
Q: My config reload reads a half-written file. How do I update it safely?
Try:`mv /etc/myapp/config.new /etc/myapp/config.json`
Info: Ensures atomic config updates.
Want to master Linux one command at a time?
Follow @linuxteck - 1 Linux tip every day.
🖤 Black Friday is live and it's the cheapest week of the year to get a Linux server — up to 90% off, but most deals end November 30. The top picks: linuxteck.com/guides/black-f…
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Black Friday Linux Hosting Deals 2026 (up to 90% off) youtu.be/zvf6M3w7Pwo?si=Ta4i…
Day 7 & 8 of learning Linux: get help from the system itself (--help, man, apropos, info), then create files and folders with touch, mkdir -p and tree.
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Cloudways or Vultr for your next server? 🤔 One is fully managed, one is ... youtu.be/MiuxSJc74CE?si=411H…
Quick Linux Tip 63 - How to Check Failed SSH Login Attempts in Linux youtu.be/HObXegLoyF8?si=WJ3O…
Quick Linux Tip #118
Q: I rsync'd two folders. How do I verify they truly match?
Try:`diff -rq /source /destination`
Info: Compares directories quickly.
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical Linux tip every day. For more #LinuxTips
Want to master Linux one command at a time?
Follow @linuxteck - 1 practical Linux tip every day. For more #LinuxTips click here linuxteck.com/linux-tips/
Choosing a Linux browser is easier once you know that almost all of them run one of three engines: Blink/Chromium (Chrome, Brave, Vivaldi, Helium, Chromium), Gecko (Firefox, LibreWolf, Zen, Mullvad), or QtWebEngine (Falkon) :
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Best Linux VPS 2026: Which One Should You Pick? youtu.be/R35uEmPcfsw?si=M72L…
How to harden SSH in Linux (sshd_config — 5 settings) youtu.be/UGlFW2z-uuY?si=iJCM…
Quick Linux Tip 62 - How to Check CPU Thermal Throttling in Linux (sensors) youtu.be/wiEBKuUUJPg?si=cetq…
