J-Rojas

Building chromium on OSX

See https://chromium.googlesource.com/chromium/src/+/master/docs/mac_build_instructions.md

git clone depot_tools

add to path (not using ~ but $HOME) in .bash_profile

Increase vnodes

sudo sysctl kern.maxvnodes=$((512*1024))

Generate private key

$ openssl genrsa -out private.key 4096

Generate a Certificate Signing Request

openssl req -new -sha256 \

How to setup a practically free CDN using Backblaze B2 and Cloudflare

⚠️ Note 2023-01-21
Some things have changed since I originally wrote this in 2016. I have updated a few minor details, and the advice is still broadly the same, but there are some new Cloudflare features you can (and should) take advantage of. In particular, pay attention to Trevor Stevens' comment here from 22 January 2022, and Matt Stenson's useful caching advice. In addition, Backblaze, with whom Cloudflare are a Bandwidth Alliance partner, have published their own guide detailing how to use Cloudflare's Web Workers to cache content from B2 private buckets. That is worth reading,

Sign up to DigitalOcean
Download Terraform
Clone this gist using the URL from the address bar
Run terraform init
Run terraform apply -var="do_token=$(cat $HOME/digitalocean-access-token)"
View the output for the login command and gateway URL i.e.

gateway_url = http://178.128.39.201:8080/
login_cmd = faas-cli login -g http://178.128.39.201:8080/ -p rvIU49CEcFcHmqxj

Deobfuscating / Unminifying Obfuscated Web App / JavaScript Code

Some notes and tools for reverse engineering / deobfuscating / unminifying obfuscated web app code.

	// rtsp receivers:
	gst-launch-1.0 rtspsrc location="rtsp://192.168.0.102:8554/test" protocols=GST_RTSP_LOWER_TRANS_TCP latency=0 ! rtph264depay ! decodebin ! videoconvert ! autovideosink sync=false

	gst-launch-1.0 rtspsrc location=rtsp://192.168.1.156:8554/test ! rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! autovideosink


	// Stream video to window and record it to file
	gst-launch-1.0 -e -v udpsrc port=5600 ! tee name=VIDEOWINDOW ! queue ! application/x-rtp, encoding-name=H264, payload=96 ! rtph264depay ! h264parse ! mp4mux ! filesink location=myvideo.mp4 VIDEOWINDOW. ! queue ! application/x-rtp, payload=96 ! rtph264depay ! avdec_h264 ! autovideosink