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Linux命令行学习神器:tldr

lilin 分类:Linux命令 时间:2019/11/29 18:06:34 评论: 加入收藏

对于很多使用终端的Linux与Mac系统用户,使用Terminal最难的就是要记住众多的Linux命令了。比如:ssh,curl,grep等,经常会记不住参数的顺序。这个时候通常在使用的时候通过man阅读长长的文档,从中对比一个个参数,这样费时又费力。

本文要介绍的一个好用的工具叫tldr,tldr全称Too long, Don’t read,翻译成中文就是[太长不读]。tldr根据二八原则将命令的常用场景给出示例,让人一看就懂。

tldr项目地址

 

tldr安装

tldr有很多种语言版本,安装也很简单,各种包管理工具都支持。

安装方式如下:

C++ client

$ brew install tldr-pages/tldr/tldr

Crystal client

$ brew install porras/tap/tlcr

Go client

$ go get github.com/pranavraja/tldr (or platform binaries)

Node.js client

$ npm install -g tldr

Perl5 client

$ cpanm App::tldr

Python clients

tldr-python-client

$ pip install tldr

tldr.py

$ pip install tldr.py

Ruby client

$ gem install tldrb

Bash client

https://github.com/raylee/tldr

Web client

https://ostera.github.io/tldr.jsx

Android clients

tldr-viewer, available on Google Play

https://github.com/gianasista/tldr-viewer

https://play.google.com/store/apps/details?id=de.gianasista.tldr_viewer

tldroid, available on Google Play

https://github.com/hidroh/tldroid   

https://play.google.com/store/apps/details?id=io.github.hidroh.tldroid

iOS clients

tldr-man-page, available on App Store

https://github.com/freesuraj/TLDR

https://itunes.apple.com/sg/app/tldr-man-page/id1073433250?mt=8

tldr-pages, available on App Store

https://github.com/mflint/ios-tldr-viewer

https://itunes.apple.com/us/app/tldt-pages/id1071725095?ls=1&mt=8

 

tldr使用

tldr命令格式:

$ tldr -h 

usage: tldr [-h] [-o {linux,osx,sunos}] command [command ...]

Python command line client for tldr

positional arguments:

command               command to lookup

optional arguments:

-h, --help            show this help message and exit

-o {linux,osx,sunos}, --os {linux,osx,sunos} Override the operating system [linux, osx, sunos]

Linux<a href=http://8u.hn.cn/ssh/ target=_blank class=infotextkey>命令</a>行学习神器:tldr

来看几个例子:

1.$ tldr ssh

#SSH

Secure shell is a protocol used to securely log onto remote systems.

It can be used for logging or executing commands on a remote server.

- Connect to a remote server:

ssh username@remote_host

- Connect to a remote server with a specific identity (private key):

ssh -i /path/to/key_file username@remote_host

- Connect to a remote server using a specific port:

ssh username@remote_host -p 2222

- Run a command on a remote server:

ssh remote_host command -with -flags

- SSH tunneling: Dynamic port forwarding (SOCKS proxy on localhost:9999):

ssh -D 9999 -C username@remote_host

- SSH tunneling: Forward a specific port (localhost:9999 to slashdot.org:80):

ssh -L 9999:slashdot.org:80 username@remote_host

- SSH enable agent forward:

ssh -A username@remote_host

2.$ tldr curl

# curl

Transfers data from or to a server.

Supports most protocols including HTTP, FTP, POP.

- Download a URL to a file:

curl "URL" -o filename

- Send form-encoded data:

curl --data name=bob http://localhost/form

- Send JSON data:

curl -X POST -H "Content-Type: application/json" -d '{"name":"bob"}' http://localhost/login

- Specify an HTTP method:

curl -X DELETE http://localhost/item/123

- Head request:

curl --head http://localhost

- Include an extra header:

curl -H "X-MyHeader: 123" http://localhost

- Pass a user name and password for server authentication:

curl -u myusername:mypassword http://localhost

怎么样,比man看起来舒服多了吧?还等什么,赶紧上手体验一下吧!

 

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