Reza rezajax

My OpenWrt Initial Setup

My Router Info

Model: Linksys EA8100
Memory: 256MB
Storage: Using 16GB thumb drive as extroot
OpenWrt Version: OpenWrt 23.05.3 r23809-234f1a2efa / LuCI openwrt-23.05 branch git-24.073.29889-cd7e519

Extroot

Sno	Entity	Code	Year	Cellular Subscription	Internet Users(%)	No. of Internet Users	Broadband Subscription
0	Afghanistan	AFG	1980	0	0	0	0
1	Afghanistan	AFG	1981	0	0	0	0
2	Afghanistan	AFG	1982	0	0	0	0
3	Afghanistan	AFG	1983	0	0	0	0
4	Afghanistan	AFG	1984	0	0	0	0
5	Afghanistan	AFG	1985	0	0	0	0
6	Afghanistan	AFG	1986	0	0	0	0
7	Afghanistan	AFG	1987	0	0	0	0
8	Afghanistan	AFG	1988	0	0	0	0

Wireguard and iptables restrictions for multiple users

If you don't know what Wireguard is, well, you should. It's fast, easy to setup and highly configurable. We will configure Wireguard for multiple users with various restrictions using iptables.

Assumptions

This should fit most setups (not mine though 😉)

Setup Entware on Asuswrt-merlin

Entware is a modern alternative to Optware.

For those unfamiliar with Optware: it's a software repository that offers various software programs that can be installed on your router. They allow you to add new functionality to your router (provided you have the know-how to properly configure them).

Entware system library is specially modified (patched) so that standard linux files that are normally located in /etc directory are now located in /opt/etc/ directory. To simplify things let's consider /etc/passwd file. On Asuswrt-merlin it normally looks something like:

admin:x:0:0:admin:/root:/bin/sh

nas:x:100:100:nas:/dev/null:/dev/null

install openjdk

sudo add-apt-repository ppa:openjdk-r/ppa

sudo apt-get update

sudo apt-get install openjdk-8-jdk

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

The netfilter hooks
The order of table traversal

npm rank

This gist is updated daily via cron job and lists stats for npm packages:

Top 1,000 most depended-upon packages
Top 1,000 packages with largest number of dependencies
Top 1,000 packages with highest PageRank score

	Hi All!

	I've recently launched a tool that wraps many of the commands here with a user interface. This desktop application is currently available for macOS. There's a roadmap outlining planned features for the near future.
	Feel free to request any features you'd like to see, and I'll prioritize them accordingly.
	One of the most important aspects of this application is that every command executed behind the scenes is displayed in a special log section. This allows you to see exactly what’s happening and learn from it.

	Here's the link to the repository: https://github.com/Pulimet/ADBugger

	App Description:
	ADBugger is a desktop tool designed for debugging and QA of Android devices and emulators. It simplifies testing, debugging, and performance analysis by offering device management, automated testing, log analysis, and remote control capabilities. This ensures smooth app performance across various setups.

	# to simplify life, install xclip and append the following lines to your .bashrc
	alias "c=xclip" # copy to X clipboard (register *)
	alias "cs=xclip -selection clipboard" # copy to system wide clipboard (register +)
	alias "v=xclip -o" # output copied content (paste)
	alias "vs=xclip -o -selection clipboard" # paste from system wide clipboard (equivalent to `v -selection clipboard`)

	# examples:
	# copy to X:
	# go to the same directory in terminal 2 as in terminal 1
	# Terminal 1:

	{
	"website": "reza.am",
	"linkedin": "linkedin.com/in/rezajax",
	"stackoverflow": "stackoverflow.com/users/6547335",
	}