以另一个用户（root用户以外的其他用户）身份运行整个应用程序

Question

https://github.com/mongodb/mongo/blob/master/debian/mongodb-org-server.postinst I could see in the above link that mongodb has created a newuser named 'mongodb'.and I got to know that many bigger projects run their project as a custom user (here as a user 'mongodb').I wrote a small application in python and running it as sudo right now,I would like to create a new custom user for my application and run the application as the custom user.how does actually bigger projects acheive this .what is the command they use to make run the whole application or package as a custom user? In a whole lot reading about this I found that we could use sudo -u <username> <command> or by setting euid or uid by seteuid() function. but I want to know how actually real projects implement it and follow that standard way in my project.

Answer 1

就像您链接的文件一样，他们使用chown将可执行文件的所有者更改为自定义chown因此您可以在安装后脚本中使用该脚本（该脚本将配置应用程序正常运行所需的内容）