Linux 脚本请教,关于多条命令执行 - V2EX
moliniao

Linux 脚本请教,关于多条命令执行

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  •   moliniao Nov 28, 2022 1724 views
    This topic created in 1281 days ago, the information mentioned may be changed or developed.
    我有多条命令,需要在多个服务器执行,现在我想把多条命令写一个 python 脚本或者 shell 脚本
    应该如何去做呢
    想借这个机会学一下 python 脚本的编写
    8 replies    2022-11-28 19:10:33 +08:00
    singerll
        1
    singerll  
       Nov 28, 2022
    多条命令写进一个脚本直接按行写就行了,最多加个&&之类的运算符。
    eason1874
        2
    eason1874  
       Nov 28, 2022
    多条命令在同一行,不管前面的有没有成功用 ; 拼接,要求前面成功运行后面才接着运行就用 &&

    cat notexists.txt ; echo "ok"

    cat notexists.txt && echo "ok"
    moliniao
        3
    moliniao  
    OP
       Nov 28, 2022
    @eason1874
    这个我试过,好像不行
    @singerll
    你说的我也试过,命令少还可以,长了不行,另外命令里面有输入好像也不行
    eason1874
        4
    eason1874  
       Nov 28, 2022
    @moliniao 写 shell 的话,不连在一起,一行一条,跟你逐条输入是一样的。出错大概率是 profile 问题,没载入用户环境变量。但是你没贴错误信息,具体是什么问题也不好说
    singerll
        5
    singerll  
       Nov 28, 2022
    @moliniao 没有必要把所有的命令都放一行。。。
    gniviliving
        6
    gniviliving  
       Nov 28, 2022
    你去看看各种一键安装脚本,应该有所收获,比如 lnmp 的一键安装脚本
    ETiV
        7
    ETiV  
       Nov 28, 2022
    http://mirrors.aliyun.com/docker-ce/linux/

    如果你在大陆跑这个,建议你换成从这里装
    moliniao
        8
    moliniao  
    OP
       Nov 28, 2022
    感谢指导,感谢
    @gniviliving 谢谢提点啊,启发很大

    @ETiV 感谢指点
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