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<p><FONT class=normalfont><B><font color=blue>linux给一个普通用户reboot权限</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br>分四种情况讨论：<br>
1. 让任何人（包括根本不拥有系统帐号的人）都可以通过控制台reboot<br>
在/etc/inittab文件中保留ca::ctrlaltdel:/sbin/shutdown -t3 -r now<br>
这一行。这样全国人民都可以reboot你的机器，只要你把控制台交出来。<br>
2. 让所有系统用户都可以reboot<br>
执行# > /etc/security/console.apps/reboot即可。 这就在console.apps目录下生成<br>
了一个空文件，文件名就是授权的application。以上路径是针对Mandrake系统而言的，<br>
其他系统我不清楚。不过，真正高雅的Mandraker或许根本就不会去靠">"来生成这个文<br>
件——他们会使用msec来进行控制的。<br>
3. 让指定的用户才可以reboot<br>
假设我们要让用户zhizunbao拥有reboot的权限，我们靠uid/gid来完成控制：<br>
# groupadd reboot<br>
# cd /usr/local<br>
# mkdir reboot<br>
# chown root:reboot reboot/<br>
# chmod 750 reboot/<br>
# cd reboot<br>
# cp /sbin/reboot .<br>
# chmod 4755 reboot<br>
# usermod -G reboot zhizunbao<br>
现在，zhizunbao就可以运行/usr/local/reboot/reboot来重启动机器。<br>
4. 在一台不设普通用户的机器上启用口令验证reboot<br>
这实际上是靠添加一个关机帐号来实现的，该帐号的shell就是加了s位的/sbin/halt，<br>
并且口令只有少数维护人员知道。我们这里采用的就是第4套方案。<br>
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