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0votes
1answer
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FFmpeg cannot write file to /dev/shm: Permission Denied

Issue: I have an FFmpeg command that I've been running for months now to stream video into the /dev/shm directory. It had been working fine until relatively recently (e.g. within a week), now it ...
schil227's user avatar
2votes
1answer
2kviews

How to revoke write permissions on a shared memory object s.t. subsequent writes to aleady mapped pages by other processes will fail?

Is there any way to revoke write permissions to shared memory by the process who created that shared object, s.t. any other process who has mapped the shared memory to its virtual space with write ...
Kristianmitk's user avatar
1vote
0answers
968views

Two processes sharing memory under different privileged users

I have two processes sharing memory (via Boost Interprocess). Each process is run under a different user. The first process is run from one of our privileged users. The second process is ran via a ...
user997112's user avatar

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