Tag: sysadmin

All the articles with the tag "sysadmin".

• Ventoy: Boot Any OS, Any Time

  3 Jul, 2025

  Ventoy turns any USB drive into a multi-boot drive — drop ISOs on it and boot any OS without re-flashing the drive each time.

• SSHFS: Ditch SCP & Access Remote Files

  29 Apr, 2025

  SSHFS mounts remote filesystems over SSH so you can browse and edit files locally — faster than scp for interactive work.

• Optimize Ubuntu Logs: btmp Log Rotation

  28 Aug, 2024

  btmp logs failed logins and grows forever on internet-facing servers. Set up logrotate to keep it under control before your disk fills up.

• Finding the PID of a Process Using a Specific Port in Linux

  21 Jul, 2024

  Something's squatting on port 8080 and you need to know what. ss, lsof, and fuser one-liners to find and kill the culprit fast.

• Differences Between nohup, disown, and & in Linux

  20 Jul, 2024

  nohup, disown, and & all keep processes running after logout — but they work differently. Here's which one to reach for and why.

• the lost+found Directory in Linux

  19 Jul, 2024

  What is lost+found and why does it exist? fsck puts recovered file fragments there after a crash — and no, you can't delete it.

• Switch Ubuntu to Hardware Enablement (HWE)

  14 Jul, 2024

  The Ubuntu HWE kernel brings newer hardware support to LTS releases — how to switch from generic to HWE and what you gain.

• Essential Linux Commands for Daily Use

  13 Jul, 2024

  The Linux commands every sysadmin reaches for daily — file ops, process management, networking, and text manipulation you can't live without.

• Ubuntu Debian packages have been kept back error

  12 Jul, 2024

  Packages have been kept back during apt upgrade — what it means, why it happens, and how to safely install or hold those packages.

• Update a Single Package Using APT

  11 Jul, 2024

  Update just one package with apt without upgrading everything else — the right flags, version pinning, and held package gotchas.

• Mastering xargs in Linux

  30 Jun, 2024

  xargs turns stdin into arguments — build complex pipelines, run parallel jobs, and handle filenames with spaces without breaking everything.

• LVM The Linux Sysadmin’s Guide to Flexible Storage

  7 Jun, 2024

  LVM lets you resize volumes, add disks, and take snapshots without repartitioning — PVs, VGs, and LVs explained with real commands.