从 Tomcat servlet 运行 sudo 命令 [英] Running sudo command from Tomcat servlet

问题描述

有没有办法让 tomcat 7 服务器(在 Ubuntu 服务器上运行)在命令行中执行 sudo 命令?在这种特定情况下，我想让从另一台服务器关闭系统成为可能.我必须使用什么代码?我是否必须以 root 身份运行 tomcat 服务器，或者我可以在运行时获得这些权限并且仅针对此操作?感谢您的帮助:)

Is there a way to let a tomcat 7 server (running on an Ubuntu Server) execute a sudo command in a command line? In this specific case I want to make it possible to shut down the system from another server. What code would I have to use? And do I have to run the tomcat server as root or can i get these privileges at runtime and only for this action? Thanks for your help:)

推荐答案

无需以 root 身份运行 Tomcat，您只需将 tomcat 用户添加到 /etc/sudoers 以允许他运行超级用户命令，就像sudo shutdown now.这种方式允许您指定可由用户执行的所需命令子集.例如.允许他只运行 shutdown:

No need to run Tomcat as root, you can just add tomcat user to /etc/sudoers to allow him run superuser commands, like sudo shutdown now. This way allows you to specify desired subset of commands that can be executed by user. E.g. to allow him to run only shutdown:

tomcat ALL=NOPASSWD: /sbin/shutdown

要从 Java 代码运行 shell 命令，您可以调用 Runtime.exec() 或使用 ProcessBuilder.

To run shell commands from Java code you can call one of Runtime.exec() or use ProcessBuilder.

附言还可以尝试搜索 /etc/shutdown.allow 文件，该文件允许其中列出的任何用户运行关闭命令.不过我没用过.

P.S. Also try googling about /etc/shutdown.allow file which allows running shutdown command by any user that is listed in it. But I've never used it.

这篇关于从 Tomcat servlet 运行 sudo 命令的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！