Linh Pham questionlp

class SignedIntConverter(IntegerConverter):
    regex = r'-?\d+'

app.url_map.converters['signed_int'] = SignedIntConverter

Then use <signed_int:user_id> in your route.

Source:

Permanently Delete Mastodon Account from an Instance

Run the following account as the Unix account running the Mastodon instance:

RAILS_ENV=production bundle exec rails c

In the Rails shell, run the following command, replacing username with the actual local username to destroy and purge from the instance:

Create /usr/lib/systemd/system/mac-keyboard.service with the following contents:

[Unit]
 Description=mac-keyboard
[Service]
 Type=oneshot
 ExecStart=/bin/sh -c "echo 2 > /sys/module/hid_apple/parameters/fnmode"
 ExecStop=/bin/sh -c "echo 1 > /sys/module/hid_apple/parameters/fnmode"
 RemainAfterExit=yes

Fedora: Installing Development Dependencies

Python

sudo dnf install make gcc patch zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel tk-devel libffi-devel xz-devel libuuid-devel gdbm-libs libnsl2

Ruby

Mastodon Media Attachment Cleanup Scripts

The following bash scripts can be used to clean up the Mastodon caches to recover some space.

Simple RFC 2324 Implementation in NGINX

server {
  # Usual site configuration stuff here
  
  location / {
    # Add any other configuration for the main location here
    
 if ($request_method = BREW) {

Updating pacman and archinstall while booting off of live ISO

 pacman -Sy
 pacman -S archlinux-keyring
 pacman -S archinstall

Installing FreeBSD 14.2 on a Steam Deck

Update: A full write-up has been posted on my blog at: https://linhpham.org/blog/2025/installing-running-freebsd-on-steam-deck/. The post also includes some corrections and new learnings since creating this gist.

Installing onto the internal NVMe SSD

Download and burn a FreeBSD 14.2 amd64 installer ISO from FreeBSD.org
Burn the installer ISO on to a USB drive, or use a multi-boot tool like IODD or Ventoy
Use a USB dock or hub (Anker PowerExpand or 543 6-in-1 USB hub is what I've been using) with USB power delivery pass-through to connect the following devices:
USB-C power adapter

	#!/bin/sh
	export PATH="$HOME/.local/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
	umask 0027

	# Local backup destination root
	LOCAL_BACKUP_PATH="/u01/backups/mysql"

	# How long to keep local backup files
	LOCAL_BACKUPS_DAYS_TO_KEEP=10

	Desired=Unknown/Install/Remove/Purge/Hold
	\| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
	\|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
	\|\|/ Name Version Architecture Description
	+++-=======================================-====================================-============-================================================================================
	ii 7zip 24.09+dfsg-8 amd64 7-Zip file archiver with a high compression ratio
	ii accountsservice 23.13.9-7 amd64 query and manipulate user account information
	ii acl 2.3.2-2+b1 amd64 access control list - utilities
	ii adduser 3.152 all add and remove users and groups
	ii adwaita-icon-theme