在我的Mint Debian上，安裝KDE桌面環境，再后來進入KDE安裝或者卸載軟件的時候，時不時的出現這樣的錯誤提示：

Unknown?media?type?in?type?'all/all' Unknown?media?type?in?type?'all/allfiles' Unknown?media?type?in?type?'uri/mms' Unknown?media?type?in?type?'uri/mmst' Unknown?media?type?in?type?'uri/mmsu' Unknown?media?type?in?type?'uri/pnm' Unknown?media?type?in?type?'uri/rtspt' Unknown?media?type?in?type?'uri/rtspu' Unknown?media?type?in?type?'interface/x-winamp-skin'

Google一下發現，這個BUG早就有人提交過了。解決辦法在這里(http://www.garyshood.com/unknownmedia/)。
首先找到kde.xml，我的路徑在

先備份 sudo?cp?/usr/share/mime/packages/kde.xml?/usr/share/mime 然后編輯一下，找到相關的標簽，用”all/all”關鍵字一下就能找到，刪除之。

That section right there is the problem. Just delete it. If anything else gives you crap, delete that too. Mainly just search around the kde.xml and look for sections like that. Delete anything that shows up as an unknown media type. If you need to view the error list again, to see if you're missing anything, run the following and it will output all of the "Unknown media type in type" errors.

update-mime-database /usr/share/mime
?<mime-type type="interface/x-winamp-skin">
? ?<sub-class-of type="application/zip"/>
? ?<comment>compressed Winamp skin</comment>
? ?<glob pattern="*.wsz"/>
?</mime-type>

轉載于:https://blog.51cto.com/alina64/1439573

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