Category: Technical

2026

08

Sep

Linux Snippets #11: Run It Once, Contain It, Forget It

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.

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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

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27

Aug

Tachyon: How Forking an Abandoned Webmail Client Escalated Rather Quickly

What started as “I’ll just fork SnappyMail” somehow turned into a full-blown webmail project with modern PHP, CalDAV, better search, undo-send, tighter security and a rapidly growing user base. Tachyon is what happens when software archaeology, self-hosting and poor estimates of project scope collide.

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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.

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18

May

How WordPress Attackers Get Their Dirty Fingers into your System

Most WordPress malware does not begin with a shadowy genius manually editing your theme at midnight. It begins with bots, bored plugins, sloppy permissions, and one unlucky functions.php file that became writable. This is the story of how attackers get the pen, why they keep writing, and why deleting one dirty file is rarely enough.

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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

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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

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29

Apr

Beyond the Mesh: The MeshCore Paradime

Readers demanded to know where MeshCore fits into the off-grid landscape. It fixes RF congestion by forcing your radios into strict hierarchies. Here is why role-based routing is a brilliant band-aid but a severe regression for peer-to-peer sovereignty

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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.

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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.

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