Skip to content

Instantly share code, notes, and snippets.

View jamchamb's full-sized avatar

James Chambers jamchamb

86 followers · 23 following
View GitHub Profile
@jamchamb
jamchamb / oss_android_studio_setup.md
Last active September 9, 2018 15:01
How to set up Android Studio on Fedora Workstation with a network home mount

Android Studio likes to run in Oracle's runtime, and the cache and config files it stores in the user's home directory (including virtual device images) start to eat up too much space on our network home mount. Here's how to set up Oracle JDK and Android Studio on Fedora Workstation, and configure Android Studio to keep its files on a local drive.

Setting up Oracle JDK

Get the latest Java SE Development Kit "critical patch update" release from oracle.com, and if OpenJDK is already installed then configure these alternatives:

@jamchamb
jamchamb / phd
Last active March 28, 2016 23:20
Centos init.d script for Phabricator PHD
#!/bin/sh
### BEGIN INIT INFO
# Provides: phd
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: phabricator
# Description: manages phd
### END INIT INFO
@jamchamb
jamchamb / phabbackup.sh
Last active January 11, 2020 22:53
Phabricator automatic backup script
#!/bin/bash
# Backup Phabricator database, storage engine, and config files
# NOTE: This script is to be run by cron. See /etc/cron.d/phabricator
# Don't use unset variables
set -u
# Exit if any commands fail (unless they begin a pipe, etc.)
set -e
# Output an error message and set the errors flag
@jamchamb
jamchamb / node-https-server.js
Created July 18, 2017 18:37
Simple Node HTTPS server
const tls = require('tls')
const fs = require("fs")
const https = require("https")
/*
$ openssl req -newkey rsa:2048 -new -nodes -x509 -days 365 \
-keyout key.pem -out cert.pem
*/
const options = {
key: fs.readFileSync('key.pem'),
@jamchamb
jamchamb / plot_debug_mode.py
Last active August 31, 2021 02:35
#!/usr/bin/env python2
import argparse
GROUP_COUNT = 38
GROUP_ENTRY_COUNT = 96
# Debug register group names
SHORT_NAMES = ' SOPQMYDUIZCNKXcsiWAVHGmnBdkb*********'
LONG_NAMES = [
'REG',
@jamchamb
jamchamb / interactive-websocket.html
Last active August 20, 2021 03:23
Basic interactive WebSocket page based on websocket.org echo test
<!doctype HTML>
<html>
<head>
<meta charset="utf-8" />
<title>WebSocket Test</title>
</head>
<body>
<script language="javascript" type="text/javascript">
//var wsUri = 'ws://demos.kaazing.com/echo';
var output;
@jamchamb
jamchamb / cors-test.html
Last active June 11, 2020 22:17
<html>
<head>
<title>CORS Test</title>
</head>
<body>
<script>
var xhr = new XMLHttpRequest();
xhr.open(
"GET",
"https://URLHERE!",
@jamchamb
jamchamb / php-hmac-chall.py
Created April 28, 2020 18:21
#!/usr/bin/env python3
import hmac
import os
SECRET = b'secret'
def test(host, in_hmac, nonce=None):
secret = SECRET
@jamchamb
jamchamb / arm_zimg_extend.py
Last active April 14, 2023 13:59
https://jamchamb.net/2022/01/02/repack-compressed-initramfs.html
#!/usr/bin/env python3
import argparse
import struct
# little endian, 32-bit words
# Could check for magic 0x01020304 / 0x04030201 to determine endianness
ENDI = '<'
WORD_PAT = ENDI + 'I'
WORD_SZ = struct.calcsize(WORD_PAT)
@jamchamb
jamchamb / simple-https-server.py
Last active February 18, 2021 01:49 — forked from dergachev/simple-https-server.py
#!/usr/bin/env python
# Based on http://www.piware.de/2011/01/creating-an-https-server-in-python/
# generate server.pem with the following command:
# openssl req -new -x509 -keyout server.pem -out server.pem -days 365 -nodes
# run as follows:
# python simple-https-server.py
# then in your browser, visit:
# https://localhost:4443
import argparse
import BaseHTTPServer, SimpleHTTPServer