[英]Ubuntu - Run command on start-up with “sudo”
I would like to run a sudo
command when Ubuntu starts up (before anyone logs in):我想在 Ubuntu 启动时(在任何人登录之前)运行
sudo
命令:
sudo searchd
How would I do this?我该怎么做?
You can add the command in the /etc/rc.local
script that is executed at the end of startup.您可以在启动结束时执行的
/etc/rc.local
脚本中添加该命令。
Write the command before exit 0
.在
exit 0
之前编写命令。 Anything written after exit 0
will never be executed.在
exit 0
之后写入的任何内容将永远不会被执行。
Edit the tty configuration in /etc/init/tty*.conf
with a shellscript as a parameter :使用 shellscript 作为参数编辑
/etc/init/tty*.conf
的 tty 配置:
(...)
exec /sbin/getty -n -l theInputScript.sh -8 38400 tty1
(...)
This is assuming that we're editing tty1 and the script that reads input is theInputScript.sh.这是假设我们正在编辑 tty1 并且读取输入的脚本是 theInputScript.sh。
A word of warning this script is run as root, so when you are inputing stuff to it you have root priviliges.警告这个脚本是作为 root 运行的,所以当你向它输入内容时,你有 root 权限。 Also append a path to the location of the script.
还将路径附加到脚本的位置。
Important: the script when it finishes, has to invoke the /sbin/login otherwise you wont be able to login in the terminal.重要提示:脚本完成后,必须调用 /sbin/login 否则您将无法登录终端。
Nice answers.很好的答案。 You could also set Jobs (ie, commands) with " Crontab " for more flexibility (which provides different options to run scripts, loggin the outputs, etc.), although it requires more time to be understood and set properly:
您还可以使用“ Crontab ”设置作业(即命令)以获得更大的灵活性(它提供了运行脚本、记录输出等的不同选项),尽管它需要更多时间来理解和正确设置:
Using '@reboot' you can Run a command once, at startup.使用“@reboot”,您可以在启动时运行一次命令。
Wrapping up :总结:
$ sudo crontab -e -u root
And add a line at the end of the file with your command as follows:并使用您的命令在文件末尾添加一行,如下所示:
@reboot sudo searchd
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