Tamás Dezső xsnpdngv

Permanent WSL DNS Fix (WSL 2.2.1+)

If you're encountering ping github.com failing inside WSL with a Temporary failure in name resolution, you're not alone — this has been a long-standing issue, especially when using VPNs or corporate networks.

This issue is now fixed robustly with DNS tunneling, which preserves dynamic DNS behavior and avoids limitations like WSL’s former hard cap of 3 DNS servers in /etc/resolv.conf.

DNS tunneling is enabled by default in WSL version 2.2.1 and later, meaning that if you're still seeing DNS resolution issues, the first and most effective fix is simply to upgrade WSL. Upgrading WSL updates the WSL platform itself, but does not affect your installed Linux distributions, apps, or files.

To upgrade WSL, follow these steps,

Free O'Reilly books and convenient script to just download them.

Thanks /u/FallenAege/ and /u/ShPavel/ from this Reddit post

How to use:

Take the download.sh file and put it into a directory where you want the files to be saved.
cd into the directory and make sure that it has executable permissions (chmod +x download.sh should do it)
Run ./download.sh and wee there it goes. Also if you do not want all the files, just simply comment the ones you do not want.

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

	#!/usr/bin/env bash

	# --slave /usr/bin/$1 $1 /usr/bin/$1-\${version} \\

	function register_clang_version {
	local version=$1
	local priority=$2

	update-alternatives \
	--install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-${version} ${priority} \

	#include <iostream>
	#include <openssl/aes.h>
	#include <openssl/evp.h>
	#include <openssl/rsa.h>
	#include <openssl/pem.h>
	#include <openssl/ssl.h>
	#include <openssl/bio.h>
	#include <openssl/err.h>
	#include <assert.h>

	// Tested with clang version: Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
	// clang++ --std=c++11 enum-classes.cpp

	#include <iostream>
	#include <cassert>
	#include <array>

	enum class MaleNames {
	JACK,
	JOHN,

	using namespace std;

	#include <openssl/evp.h>
	#include <openssl/pem.h>

	#include <iostream>
	#include <string>

	int main()
	{

	Copyright (c) 2013 Ross Kirsling

	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 furnished to do so, subject to
	the following conditions: