• PJW's face, and how to generate it via matplot
• Selectively scrambling data in Xorg windows
• Using Wireguard
• Writing a userland driver for Microdot pHAT
• Clipboard copy from browser considered harmful
• Understanding file permissions
• Writing a pseudo-device driver on Linux
• Simple pf configuration
• The history of why cat -v is considered harmful
• Stepping with gdb
• AVR development without Arduino IDE
• Customizing the Linux framebuffer
• Simple nftables configuration
• Why GNU sucks
• Writing a simple keylogger for Windows
• Car bluetooth stereo on the cheap
• Enabling U2F authentication in PAM
• Creating a static page generator
• Editing files while keeping {A,C,M}-time
• Undefined reference to
• Makefiles
• Creating a initramfs image from scratch
• Understanding RGB representations
• Unicode card deck
• UNIX Philosophy #1
• Graph plotting in the terminal using braille characters
• Understanding color codes in the terminal
• Understanding the modifier keys in the terminal
• Building the Hakko T12 controller
• Hiding data from crawlers via base64 self decrypting html fields
• Strict HTTP headers
• Importing PGP keys
• Armored cleartext PGP, quick shareable encryption