After a reboot, every Linux server develops temporary amnesia and insists that everything is running perfectly. Fortunately, the journal may remember the OOM killer, dying disk, or panicking service from five minutes earlier. Here is how to question the previous boot before log rotation provides it with legal representation.
2026
11
Sep
Linux Snippets #12: tcpdump Without Capturing the Entire Internet
Capture everything and inspect it later’ sounds reassuringly forensic until the PCAP consumes the disk, records half the office, and still buries the failed handshake beneath six million irrelevant packets. Here is how to make tcpdump answer one question at a time – with limits established before optimism becomes an incident.
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.
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.
14
May
The WordPress Backdoor That Forgot to Be PHP
A WordPress backdoor hidden in functions.php is bad enough. One pasted after the closing ?> tag is almost poetic: malware that forgot to become PHP and instead printed its own confession. Here is a technical walk-through of a hidden admin account, query tampering, fake user counts, and the grim beauty of neglected WordPress hygiene.
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
26
Apr
April 26: A 40-Year Anniversary of Meltdowns
April 26 marks the 40th anniversary of the Pripyat disaster. It also marks the detonation date of the most destructive virus of the 90s: the CIH space-filler
22
Apr
Github is watching you
github has a nice and easy cli tool to use, but if you thought that it would let you keep your privacy – think again!
20
Apr
Meshtastic vs Reticulum: Why Reticulum Wins for Scalable Sovereign LoRa Networks
Meshtastic is currently dominating the off-grid communication hype cycle. But when we look under the hood at its managed flooding architecture and symmetric cryptography, does it actually hold up as a foundation for sovereign infrastructure? Here is a deep dive into why I am shifting my focus to the Reticulum Network Stack.
06
Apr
The Cryptographic Zombie: How Keybase Went from Privacy Darling to Zoom’s Cleanup Crew
Once the ultimate geek flex for cypherpunks, Keybase promised to make PGP cryptography accessible to mere mortals. Today, it hovers in the digital ether as a “zombie” app. Here is the story of how a revolutionary open-source identity platform was cannibalized to become Zoom’s corporate cleanup crew.