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EffectiveJava

  1. Introduction 介绍
  2. Creating and Destroying Objects 创建和销毁对象
  3. Methods Common to All Objects 对于所有对象都通用的方法
  4. Classes and Interfaces 类和接口
  5. Generics 泛型
  6. Enums and Annotations 枚举和注解
  7. Methods 方法
  8. General Programming 泛型方法
  9. Exceptions 异常
  10. Concurrency 并发
  11. Serialization 序列化

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SCRIPTING AND SHELL 脚本和Shell

Python programming

Python quick start

Objects, strings, numbers, lists, dictionaries, tuples, and files

Input validation example

Loops

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SCRIPTING AND SHELL 脚本和Shell

Perl programming

Variables and arrays

Array and string literals

Function calls

Type conversions in expressions

String expansions and disambiguation of variable references

Hashes

References and autovification

Regular expressions in Perl

Input and output

Control flow

Accepting and validating input

Perl as a filter

Add-on modules for Perl

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SCRIPTING AND SHELL 脚本和Shell

Regular expressions

The matching process

Literal characters

Special characters

Captures

Greediness, laziness, and catastrophic backtracking

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SCRIPTING AND SHELL 脚本和Shell

bash scripting

From commands to scripts

Input and output

Command-line arguments and functions

Variable scope

Control flow

Loops

Arrays and arithmetic

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SCRIPTING AND SHELL 脚本和Shell

Shell basics Shell 基础知识

Command editing 命令编辑

  • vi
  • emacs

Pipes and redirection 管道和重定向

1
$ echo "This is a test message." > /tmp/mymessage

Variables and quoting 变量和引用

1
2
3
$ ectdir='/etc'
$ echo $etcdir
/etc

Common filter commands 常见的过滤命令

cut

separate lines into fields

sort

sort lines 排序行

Opt Meaning Chinese
-b Ignore leading whitespace 忽略前导空白
-f Case insensitive sorting 不分大小写排序
-k Specify the columns that form the sort key 指定组成排序键的列
-n Compare fields as integer numbers 将字段作为整数进行比较
-r Reverse sort order 反向排序顺序
-t Set field separator(the default is whitespace) 设置字段分隔符(默认为空格)
-u Output unique records only 只输出独特的记录

uniq

print unique lines

wc

count lines, words, and characters

tee

copy input to two places

grep

search text

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CHAPTER 1 WHERE TO START 从何处入手

Essential duties of the system administrator

系统管理员的基本任务

本书总结了一下几个作为系统管理员的最基本任务。

  1. Account provisioning 账号管理
  2. Adding and removing hardware 增删硬件
  3. Performing backups 执行备份
  4. Installing and upgrading software 安装和更新软件
  5. Monitoring the system 监视系统
  6. Troubleshooting 故障诊断
  7. Maintaining local documentation 维护本地文档
  8. Vigilantly monitoring security 时刻警惕系统安全
  9. Fire fighting 救火

选择 UNIX/Linux 发行版

本书中所介绍的发行版

UNIX distributions

  • Solaris
  • HP-UX
  • AIX

Linux distributions

  • Ubuntu
  • openSUSE
  • Red Hat

查找文档

  • System-specific guides
  • Package-specific documentation
  • Books
  • RFCs and other Internet documents
  • The Linux Documentation Project

安装软件

  • 判断软件是否安装
  • 安装新的软件
  • 从源码进行安装

面对压力