[转贴] start-stop-daemon命令

转贴自 http://www.lampblog.net/ubuntu/start-stop-daemon%E5%91%BD%E4%BB%A4/

1.功能作用

启动和停止系统守护程序

2.位置

/sbin/start-stop-daemon


3.格式用法

start-stop-daemon [


4.主要参数

Commands:

  -S|--start -- <argument>
...  开启一个系统守护程序，并传递参数给它

  -K|--stop                     停止一个程序

  -T|--status                   得到程序的状态

  -H|--help                     显示帮助信息

  -V|--version                  打印版本信息

 

Matching options (at least one is
required):

  -p|--pidfile <pid-file>       pid file to
check

  -x|--exec <executable>        program to
start/check if it is running

  -n|--name <process-name>      process
name to check

  -u|--user <username|uid>      process
owner to check

 

Options:

  -g|--group
<group|gid>        按指定用户组权限运行程序

  -c|--chuid <name|uid[:group|gid]>

                                按指定用户、用户组权限运行程序

  -s|--signal <signal>          signal to
send (default TERM)

  -a|--startas <pathname>       program to
start (default is <executable>)

  -r|--chroot <directory>       chroot to
<directory> before starting

  -d|--chdir <directory>        change to
<directory> (default is /)

  -N|--nicelevel <incr>         add incr
to the process' nice level

  -P|--procsched <policy[:prio]>

                                use
<policy> with <prio> for the kernel

                                  process
scheduler (default prio is 0)

  -I|--iosched <class[:prio]>   use
<class> with <prio> to set the IO

                                  scheduler
(default prio is 4)

  -k|--umask <mask>            
在开始运行前设置<mask>

  -b|--background               后台运行

  -m|--make-pidfile            
当命令本身不创建pidfile时，由start-stop-daemon创建

  -R|--retry <schedule>        
等待timeout的时间，检查进程是否停止，如果没有发送KILL信号；

  -t|--test                     测试模式

  -o|--oknodo                   exit status 0
(not 1) if nothing done

  -q|--quiet                    不要输出警告

  -v|--verbose                  显示运行过程信息

5.应用实例

1、开启一个daemon进程
start-stop-daemon --start --background --exec
/root/proxy.py

2、关闭一个daemon进程
start-stop-daemon --stop --name
proxy.py