The setcap utility changes a file's capabilities, a more fine-grained system of allowing an executable (runnable by non-root users) to perform trusted actions than making it always run as root.

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How does one provide sudo file read access privileges to a Wine application?

In accordance with best practices I desire not to run Wine as root, http://wiki.winehq.org/FAQ I see plenty of examples for use of setcap for networking, but not so much for file read access. ...
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Permissions issue with conky getting ESSID, tried all the usual

Conky can't get my wireless essid due to the wl kernel module and neither could my normal user account. If I did sudo iwconfig wlan0 it was fine, and if I ran conky as root it was fine, but I ...
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Are setcap-changes permanent

When using setcap for a file, is this change permanent or do I have to invoke setcap somewhere at boot time? setcap cap_sys_nice fooexecutable