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How could I forcibly remount a device? Say I have a device (/dev/shm) which from some reason isn't mounted, how could I remount it without rebooting the system? In other words, I need a remount without reboot.

Please share a way and give your opinion on the best practices you know for using it.

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  • Does the normal mount -t tmpfs -o rw,nosuid,nodev tmpfs /dev/shm work? Commented May 1, 2017 at 0:13
  • As I'm new to Linux, I think I was wrong in my analysis and the device was mounted, so I can't tell. Commented May 1, 2017 at 0:29

1 Answer 1

Reset to default
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Try to put -o option to remount for changing flags.

mount -t tmpfs -o remount,rw,nosuid,nodev tmpfs /dev/shm

For details read about "FILESYSTEM INDEPENDENT MOUNT OPTIONS" section.

http://manpages.ubuntu.com/manpages/precise/en/man8/mount.8.html

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