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@adtac
adtac / README.md
Last active February 27, 2026 11:05
Using your Kindle as an e-ink monitor

3.5 fps, Paperwhite 3
@adtac_

step 1: jailbreak your Kindle

mobileread.com is your best resource here, follow the instructions from the LanguageBreak thread

I didn't really follow the LanguageBreak instructions because I didn't care about most of the features + I was curious to do it myself, but the LanguageBreak github repo was invaluable for debugging

#!/bin/bash
###
### my-script — does one thing well
###
### Usage:
### my-script <input> <output>
###
### Options:
### <input> Input file to read.
### <output> Output file to write. Use '-' for stdout.
@fabiolimace
fabiolimace / UUIDv6.sql
Last active December 19, 2025 16:50
Functions for generating UUIDv6 and UUIDv7 on PostgreSQL
/*
* MIT License
*
* Copyright (c) 2023-2024 Fabio Lima
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
@igorjs
igorjs / rest-api-response-format.md
Last active March 13, 2026 03:36
REST API response format based on some of the best practices
@holmberd
holmberd / linux-kill-pts.md
Last active August 14, 2025 09:24
Kill tty/pts sessions in Linux

Kill user tty/pts sessions in Linux

Commands

  • w: show who is logged on and what they are doing
  • who: show who is logged on
  • tty: show current users pseudo terminal
  • ps -ft pts/1: get process id for the pseudo terminal
  • pkill: signal process based on name and other attributes
@angelo-v
angelo-v / jwt-decode.sh
Last active February 17, 2026 13:23
Decode a JWT via command line
# will not work in all cases, see https://gist.github.com/angelo-v/e0208a18d455e2e6ea3c40ad637aac53#gistcomment-3439904
function jwt-decode() {
sed 's/\./\n/g' <<< $(cut -d. -f1,2 <<< $1) | base64 --decode | jq
}
JWT=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ
jwt-decode $JWT
@mowings
mowings / masq.sh
Last active August 18, 2025 05:01
script to get xet xhyve working with all vpn interfaces
#!/bin/bash
interfaces=( $(netstat -in | egrep 'utun\d .*\d+\.\d+\.\d+\.\d+' | cut -d ' ' -f 1) )
rulefile="rules.tmp"
echo "" > $rulefile
sudo pfctl -a com.apple/tun -F nat
for i in "${interfaces[@]}"
do
RULE="nat on ${i} proto {tcp, udp, icmp} from 192.168.64.0/24 to any -> ${i}"
echo $RULE >> $rulefile
done
@miglen
miglen / linux-networking-tools.md
Last active December 27, 2025 05:10
Linux networking tools

List of Linux networking tools

netstat (ss)

Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.

Sample output:

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)    
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED
"Walking on water and developing software from a specification are easy if both are frozen."
- Edward V Berard
"Computer science education cannot make anybody an expert programmer any more than studying brushes and pigment can make somebody an expert painter."
- Eric S. Raymond
"Talk is cheap. Show me the code."
- Linus Torvalds
"In God we trust. All others must bring data."
@babldev
babldev / decode_flask_cookie.py
Last active December 15, 2023 12:02
Decode a Flask Session cookie, given the cookie and secret key