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Error Message:
We cannot detect a running copy of GNOME on this system, so some parts of the interface may be disabled. See our troubleshooting entry for more information.
Solution:
1) yum install gnome-shell-browser-plugin
2) Restart
Cannot run gnome extension in browser
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原文地址：http://www.cnblogs.com/elhz/p/4709636.html
