1. mydan check

root@feng-pc:~# mydan check
SYNOPSIS
     $0 proc.num
          proc.num name    [=~]foo [<>=]5 ...
          proc.num cmdline  =foo   '>1' '<4'
          proc.num exe      ~foo   '>1'
          proc.time name =foo '>180'
        http.check
          http.check [get|post] http://127.0.0.1/stat code 200 300
          http.check [get|post] http://127.0.0.1/stat grep ok health
        net.port.listen
          net.port.listen tcp 80 22
          net.port.listen udp 53
          --debug

• 检查服务的小工具

1.1. 例

[root@feng-pc ~]# mydan check net.port.listen tcp 80 22
[Error] tcp 80 not listen
tcp 22 listen
Check ERROR.
[root@feng-pc ~]# echo $?
255

• 通过返回码来判断成功还是失败