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alias ba := build-all
alias b := build
alias ts := test-one
alias l := log
alias d := dev
alias d21 := dev21

build-all:
        x b

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use wget to download website

wget --reject-regex "(.*)\?(.*)" --mirror --no-parent --convert-links -p -U Mozilla https://program-think.blogspot.com/

replace abs path to relative path

find . -type f -name '*.html' -exec sed -i '' 's|https://program-think.blogspot.com/|/|g' {} +

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 mysqldump --opt -h192.168.0.156 -uusername -ppassword --skip-lock-tables databasename > database.sql
 

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理论部分

阐述最清楚的两篇是两篇中文的：

PXE 网络批量安装 ubuntu

网路启动服务器安装和配置方法 (pxe+tftp+dhcpd)

ubuntu 的官方文档比较久了，步骤也很繁琐，不推荐。

实践中的坑

chenyukang

package main

import "fmt"

// send the sequence of 2, 3, 4, .... to returned channel
func generate() chan int {
	ch := make(chan int)
	go func() {
		for i := 2; ; i++ {
			ch <- i

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;; golang
(add-to-list 'load-path "~/.emacs.d/go-mode")

(require 'go-mode)
(require 'go-mode-load)
(require 'go-autocomplete)
(require 'auto-complete-config)
(setq gofmt-command "goimports")
(load-file "~/.emacs.d/go-autocomplete.el")
(add-hook 'before-save-hook 'gofmt-before-save)

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package main

import (
	"flag"
	"fmt"
	"go/ast"
	"go/parser"
	"go/token"
	"io/ioutil"
	"os"

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#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <stdio.h>
#include <assert.h>
using namespace std;


enum OpType {

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//http://en.wikipedia.org/wiki/XOR_linked_list
//use one pointer to construct double-link list

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>

struct item{
    void* nextprev;

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# Class Tree
# ruby prog.rb > class.dot;dot -Tpng class.dot -o class.png;

def readable(str)
  if str.length >= 30
    return false
  end
  for k in 0..str.length-1
    s = str[k]
    if not ((s>='a' and s<='z') or (s>='A' and s<='Z') or (s >='0' and s<='9'))