Where am I from

1. Install Rust

    open “https://www.rust-lang.org/zh-CN/tools/install” in browser, read the manual to install Rust..
   

2. Change the cargo registry source URL for update

    $ cd ~/.cargo/
    $ vim config
   

3. Paste blow text

    [source.crates-io]
    registry = "https://github.com/rust-lang/crates.io-index"
    replace-with = 'ustc'
    [source.ustc]
    registry = "git://mirrors.ustc.edu.cn/crates.io-index"
   

4. Exec blow command

    cargo install mdbook #wait a minute ,the programm will compiler source code
   

5. How use

    mdbook --help
    
    mdbook serve --open # usually
   

6. Enjoy !!
   And notice your .profile & bashrc file, maybe you should run commandsource .profile