2
votes
0answers
83 views

Unable to use webcams

I have 3 webcams attached to my laptop for a c++/opencv project and my program crashed. Now it keeps giving warnings that "device or resource busy". I suspect this is a OS level error. Is there any ...
1
vote
0answers
313 views

How to hide the Unable to mount iPhone message: Unhandled Lockdown error (-15)? [closed]

I just want not to see any message like the above, as I connect the iPhone to my workstation only to charge it. I know that there are similar questions but none of them is trying to solve the problem ...
12
votes
3answers
5k views

Lock and Unlock from USB disk (pendrive)

Is there Any program for locking and unlocking my Ubuntu machine using a flash- drive? For instance, when I take out the usb flash drive, the computer locks automatically and when I put in the flash ...