Tags¶

Pages tagged todo are rough notes I have published rather than hidden — useful as-is, but not finished write-ups.

aarch64¶

• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)

ai¶

• AI on Raspberry Pi
• Data Flow Compiler
• Hailo AI Processors
• Install Hailo + DeGirum on Raspberry Pi
• Setting up RPi to work with Hailo HAT

apfs¶

• Mount an APFS (macOS) drive read-only on Linux and copy from it

backup¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

buffering¶

• stdbuf — why a piped/redirected command's output looks "frozen", and how to unfreeze it

cad¶

• Comparing two CAD model revisions — what STEP can and can't tell you

catia¶

• Comparing two CAD model revisions — what STEP can and can't tell you

cgnat¶

• Reaching a home server behind CGNAT with WireGuard

checksums¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

cifs¶

• Home NAS with an old desktop
• Samba file sharing (SMB)

cross-platform¶

• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

dataflow-compiler¶

• Data Flow Compiler

debugging¶

• "Server disconnected without sending a response" — a keep-alive race
• stdbuf — why a piped/redirected command's output looks "frozen", and how to unfreeze it

deduplication¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

degirum¶

• Install Hailo + DeGirum on Raspberry Pi

dkms¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

docker¶

• Why doesn't ufw block my Docker-published ports?

dpi¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

ebooks¶

• Evaluating self-hosted ebook readers & managers

encryption¶

• How to create an encrypted archive as a self-extracting script

esp01¶

• Connecting and flashing an ESP-01

esp8266¶

• Connecting and flashing an ESP-01

esptool¶

• Connecting and flashing an ESP-01

exfat¶

• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

exiftool¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

file-sharing¶

• Samba file sharing (SMB)

filesystem¶

• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

find¶

• find -size rounds up, so ranges silently break

firefly-iii¶

• Firefly III won't run under a sub-folder (reverse-proxy path)

firewall¶

• Why doesn't ufw block my Docker-published ports?

fstab¶

• Home NAS with an old desktop
• Samba file sharing (SMB)

geometry¶

• Comparing two CAD model revisions — what STEP can and can't tell you

ghostty¶

• How to fix the ghostty unknown-terminal-type error over SSH

git¶

• A shared, multi-device password store with pass + git

gnome¶

• Stop Pictures/Music/Videos from reappearing after I delete them

gotcha¶

• find -size rounds up, so ranges silently break

gpg¶

• A shared, multi-device password store with pass + git
• Why does pass/GnuPG prompt for the passphrase every time (or never)?

hailo¶

• AI on Raspberry Pi
• Data Flow Compiler
• Hailo AI Processors
• Install Hailo + DeGirum on Raspberry Pi
• Setting up RPi to work with Hailo HAT
• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

hardware¶

• Hailo AI Processors

headless¶

• How to copy your SSH key to a headless machine
• Setting up RPi to work with Hailo HAT

hef¶

• Data Flow Compiler

how-to¶

• Comparing two CAD model revisions — what STEP can and can't tell you
• Confirm one folder is a content-superset of another (before deleting the old copy)
• Firefly III won't run under a sub-folder (reverse-proxy path)
• How to copy your SSH key to a headless machine
• How to create an encrypted archive as a self-extracting script
• How to fix Qdrant "Read-only file system" for snapshots under systemd hardening
• How to fix Raspberry Pi Wi-Fi that won't connect
• How to fix the ghostty unknown-terminal-type error over SSH
• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)
• How to set a static IP with NetworkManager (nmcli)
• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Stop Pictures/Music/Videos from reappearing after I delete them
• Upscaling a small photo for print (and knowing when it's actually big enough)
• Why does pass/GnuPG prompt for the passphrase every time (or never)?
• Why does scanimage take ~15s to start, and how do I speed it up?
• Why doesn't ufw block my Docker-published ports?
• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)
• find -size rounds up, so ranges silently break
• stdbuf — why a piped/redirected command's output looks "frozen", and how to unfreeze it

http¶

• "Server disconnected without sending a response" — a keep-alive race

image-processing¶

• Fixing the DS-620's yellow cast and vertical banding

images¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

iot¶

• Prometheus, and what it is not

jdupes¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

jemalloc¶

• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)

kernel¶

• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)

linux¶

• A shared, multi-device password store with pass + git
• Confirm one folder is a content-superset of another (before deleting the old copy)
• How to create an encrypted archive as a self-extracting script
• How to fix Qdrant "Read-only file system" for snapshots under systemd hardening
• How to set a static IP with NetworkManager (nmcli)
• Installing the Brother DS-620 on Linux
• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Reaching a home server behind CGNAT with WireGuard
• Scanning from (almost) any scanner on Linux with SANE
• Stop Pictures/Music/Videos from reappearing after I delete them
• Temporarily make sudo passwordless (and undo it)
• Why does pass/GnuPG prompt for the passphrase every time (or never)?
• Why does scanimage take ~15s to start, and how do I speed it up?
• Why doesn't ufw block my Docker-published ports?
• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)
• find -size rounds up, so ranges silently break
• stdbuf — why a piped/redirected command's output looks "frozen", and how to unfreeze it

lychee¶

• Hosting Lychee on a Raspberry Pi
• Lychee as Photo Manager

macos¶

• How to create an encrypted archive as a self-extracting script
• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

metrics¶

• Prometheus, and what it is not

monitoring¶

• Prometheus, and what it is not

mount¶

• Home NAS with an old desktop
• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Samba file sharing (SMB)

nas¶

• Home NAS with an old desktop

networking¶

• "Server disconnected without sending a response" — a keep-alive race
• How to fix Raspberry Pi Wi-Fi that won't connect
• How to set a static IP with NetworkManager (nmcli)
• Reaching a home server behind CGNAT with WireGuard
• Samba file sharing (SMB)
• Setup Raspberry Pi

networkmanager¶

• How to set a static IP with NetworkManager (nmcli)

nginx¶

• Firefly III won't run under a sub-folder (reverse-proxy path)
• Reaching a home server behind CGNAT with WireGuard

ntfs¶

• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

observability¶

• Prometheus, and what it is not

ocr¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

onnx¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

openssl¶

• How to create an encrypted archive as a self-extracting script

pass¶

• A shared, multi-device password store with pass + git
• Why does pass/GnuPG prompt for the passphrase every time (or never)?

photos¶

• Confirm one folder is a content-superset of another (before deleting the old copy)

printing¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

prometheus¶

• Prometheus, and what it is not

promql¶

• Prometheus, and what it is not

python¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

qdrant¶

• How to fix Qdrant "Read-only file system" for snapshots under systemd hardening
• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)

raspberry-pi¶

• AI on Raspberry Pi
• Hosting Lychee on a Raspberry Pi
• How to fix Raspberry Pi Wi-Fi that won't connect
• How to run Qdrant on a Raspberry Pi 5 (16 KB memory pages)
• Install Hailo + DeGirum on Raspberry Pi
• Lychee as Photo Manager
• Setting up RPi to work with Hailo HAT
• Setup Raspberry Pi
• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

raspberry-pi-os¶

• Install Hailo + DeGirum on Raspberry Pi
• Setting up RPi to work with Hailo HAT

real-esrgan¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

recycle¶

• Home NAS with an old desktop

reverse-proxy¶

• Firefly III won't run under a sub-folder (reverse-proxy path)

rsync¶

• Confirm one folder is a content-superset of another (before deleting the old copy)
• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

samba¶

• Home NAS with an old desktop
• Samba file sharing (SMB)

sandboxing¶

• How to fix Qdrant "Read-only file system" for snapshots under systemd hardening

sane¶

• Installing the Brother DS-620 on Linux
• One scanner many sane backends
• Scanning from (almost) any scanner on Linux with SANE
• Why does scanimage take ~15s to start, and how do I speed it up?

scanner¶

• Fixing the DS-620's yellow cast and vertical banding
• Installing the Brother DS-620 on Linux
• One scanner many sane backends
• Scanning from (almost) any scanner on Linux with SANE
• Why does scanimage take ~15s to start, and how do I speed it up?

security¶

• A shared, multi-device password store with pass + git
• Temporarily make sudo passwordless (and undo it)
• Why does pass/GnuPG prompt for the passphrase every time (or never)?
• Why doesn't ufw block my Docker-published ports?

self-hosted¶

• Firefly III won't run under a sub-folder (reverse-proxy path)

self-hosting¶

• Evaluating self-hosted ebook readers & managers
• Hosting Lychee on a Raspberry Pi
• Lychee as Photo Manager

serial¶

• Connecting and flashing an ESP-01

setup¶

• AI on Raspberry Pi
• Install Hailo + DeGirum on Raspberry Pi
• Setting up RPi to work with Hailo HAT
• Setup Raspberry Pi

shell¶

• How to create an encrypted archive as a self-extracting script
• stdbuf — why a piped/redirected command's output looks "frozen", and how to unfreeze it

smb¶

• Home NAS with an old desktop
• Samba file sharing (SMB)

ssh¶

• How to copy your SSH key to a headless machine
• How to fix the ghostty unknown-terminal-type error over SSH
• Setting up RPi to work with Hailo HAT

static-ip¶

• How to set a static IP with NetworkManager (nmcli)
• Setting up RPi to work with Hailo HAT

step¶

• Comparing two CAD model revisions — what STEP can and can't tell you

storage¶

• Home NAS with an old desktop
• Hosting Lychee on a Raspberry Pi
• Samba file sharing (SMB)
• Setup Raspberry Pi

sudo¶

• Temporarily make sudo passwordless (and undo it)

super-resolution¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo
• Upscaling a small photo for print (and knowing when it's actually big enough)

symlinks¶

• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

systemd¶

• How to fix Qdrant "Read-only file system" for snapshots under systemd hardening

terminal¶

• How to fix the ghostty unknown-terminal-type error over SSH

todo¶

• AI on Raspberry Pi
• After reboot
• Autoencoder
• Bayesian statistics
• CST Transformer
• DEAL Marathi
• Dart articles
• Data Flow Compiler
• Feynman lectures
• Installer for Debian
• Marathi phonetic typing
• Ocr products
• One scanner many sane backends
• SVG icon sets
• Scrambling 'TOP'
• Search for media with find
• Systemctl
• TUI
• Tesseract links
• Wewuzzing
• pyfacy

ubuntu¶

• AI on Raspberry Pi
• Hosting Lychee on a Raspberry Pi
• Lychee as Photo Manager
• Mount an APFS (macOS) drive read-only on Linux and copy from it
• Setup Raspberry Pi

udf¶

• Why exFAT and NTFS choke on Unix files (illegal characters + symlinks)

ufw¶

• Why doesn't ufw block my Docker-published ports?

upscaling¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo
• Upscaling a small photo for print (and knowing when it's actually big enough)

uv¶

• Upscaling a small photo for print (and knowing when it's actually big enough)

vpn¶

• Reaching a home server behind CGNAT with WireGuard

vulkan¶

• Super-resolution on the Pi 5 — CPU vs GPU vs Hailo

web-server¶

• Hosting Lychee on a Raspberry Pi
• Lychee as Photo Manager
• Setup Raspberry Pi

wifi¶

• How to fix Raspberry Pi Wi-Fi that won't connect

wireguard¶

• Reaching a home server behind CGNAT with WireGuard

xdg¶

• Stop Pictures/Music/Videos from reappearing after I delete them