Henry Leu henryleu

WARNING: This gist was created in 2013 and targets the legacy GOPATH mode. If you're reading this in 2021 or later, you're likely better served by reading https://tip.golang.org/cmd/go/#hdr-Configuration_for_downloading_non_public_code and https://golang.org/ref/mod#private-modules.

$ ssh -A vm
$ git config --global url."[email protected]:".insteadOf "https://github.com/"
$ cat ~/.gitconfig
[url "[email protected]:"]
	insteadOf = https://github.com/
$ go get github.com/private/repo && echo Success!
Success!

How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

Ubuntu 16 – how to increase maximum file open limit ( ulimit -n )

If you are setting up nginx,chances are you will discover your worker_connections is at some low number, such as 1024. You can’t increase this number unless you increase kernel limit as well. First of all run cat /proc/sys/fs/file-max to discover your maximum limit.

abc@ubuntu:~$ cat /proc/sys/fs/file-max
1048576
abc@ubuntu:~$ ulimit -n
1024

Switching to DNS over TLS on macOS

How to configure your Mac to use DNS over TLS in five easy steps:

Install Stubby with Homebrew (https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby):
```
 brew install stubby
```
Edit the configuration file:

	var
	// Local ip address that we're trying to calculate
	address
	// Provides a few basic operating-system related utility functions (built-in)
	,os = require('os')
	// Network interfaces
	,ifaces = os.networkInterfaces();


	// Iterate over interfaces ...

	# ==========================================================
	# NPM
	# ==========================================================

	npm set registry https://r.npm.taobao.org # 注册模块镜像
	npm set disturl https://npm.taobao.org/dist # node-gyp 编译依赖的 node 源码镜像

	## 以下选择添加
	npm set sass_binary_site https://npm.taobao.org/mirrors/node-sass # node-sass 二进制包镜像
	npm set electron_mirror https://npm.taobao.org/mirrors/electron/ # electron 二进制包镜像

	package main

	import (
	"crypto/tls"
	"crypto/x509"
	"flag"
	"io"
	"io/ioutil"
	"log"
	"os"

	#!/bin/sh
	parse_yaml() {
	local prefix=$2
	local s='[[:space:]]' w='[a-zA-Z0-9_]' fs=$(echo @\|tr @ '\034')
	sed -ne "s\|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$\|\1$fs\2$fs\3\|p" \
	-e "s\|^\($s\)\($w\)$s:$s\(.*\)$s\$\|\1$fs\2$fs\3\|p" $1 \|
	awk -F$fs '{
	indent = length($1)/2;
	vname[indent] = $2;
	for (i in vname) {if (i > indent) {delete vname[i]}}

	#!/usr/bin/env bash
	set -e

	# Author: Ravi Teja Pothana (@RaviTezu)
	# Date: Nov 15, 2016

	# The MIT License (MIT)

	# Copyright (c) 2016 RaviTezu

	# 清华大学:

	cd "$(brew --repo)"
	git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git
	cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
	git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git

	# 手动修改 bottles 地址:
	export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles
	# 或: