Some jobs are too important for nohup, yet far too temporary to deserve permanent accommodation in /etc/systemd/system. Here is how to use systemd-run to give a one-off command strict resource limits, logging, and supervision—and then make the evidence disappear.
2026
06
Sep
Linux Snippets #10: Punching Through Firewalls with Reverse SSH
Trapped behind CGNAT, Starlink, or a strict corporate firewall? Here is how to use a reverse SSH tunnel to force a headless machine to ‘phone home’ and grant you remote access without touching a router
04
Aug
Linux Snippets #9: The Ephemeral Workspace (tmpfs)
Working with highly sensitive plaintext files or trying to stop your Raspberry Pi from burning through SD cards? Here is how to carve out a chunk of your system RAM and mount it as a physical, completely volatile hard drive.
30
Jul
Linux Snippets #8: Saving a Doomed SSH Session
Forgot to start tmux before running a massive database dump over SSH? Here is how to use native Unix job control to detach a running process so it survives when you close your laptop
23
May
Linux Snippets #7: The Immutable Flag
Tired of NetworkManager or systemd overwriting your custom configuration files? Here is the single kernel-level command to lock a file down so hard that not even the root user can modify it.
16
May
Linux Snippets #6: The Silent Network Sweep
Stop guessing which IP your new Raspberry Pi or IoT device grabbed from the router. Here is the scommand to instantly map your entire local network without triggering alarms
04
May
Rclone: Zero-Trust Cloud Storage Without the Friction
Stop trusting cloud providers with your personal data. Here is how to use rclone to build a transparent, client-side encryption layer over Dropbox or pCloud
24
Apr
Linux Snippets #5: Recovering “Deleted” Files from the Void
Accidentally ran rm on a massive log file or a database while a process was still writing to it? Before you panic, learn how to use lsof to find the ‘ghost’ file in the /proc filesystem and snatch your data back.
23
Apr
Linux Snippets #4: The Zero-Storage Network Clone
Stop filling up your disk with temporary zip files. Here is how to stream a directory directly from one server to another using tar and SSH in a single pipeline.
10
Apr
Linux Snippets #3: The Instant SSH SOCKS Proxy
Skip the heavy VPN clients. Here is how to turn any remote Linux server into an encrypted SOCKS5 proxy with a single SSH command to bypass hostile local networks