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[vickycq]

没有这个目录
/apps/metacity/general/。

Unity 桌面环境不使用 metacity 作为窗口管理器

留意您的操作系统版本

1. Unity 不使用 metacity 作为窗口管理器
2. 13.10 及以前的版本可用 unity-tweak-tool 方便地改变按钮位置
3. 从 14.04 开始 Unity 无法改变最大化最小化关闭按钮位置

Hello guys, Sorry, but this can't be fixed.
Ubuntu decided to change the window titlebar behaviour in 14.04. So far, i have been unable to find any alternative way to change window decoration. I am of the opinion it isn't possible.

参考
http://askubuntu.com/questions/174292/h ... ht-or-left
http://askubuntu.com/questions/453509/w ... -14-04-lts
http://ubuntuforums.org/showthread.php?t=2210844
https://bugs.launchpad.net/ubuntu/+sour ... ug/1310056