Home / server / Questions / 266818
Accepted
Aleksandr Levchuk
Asked: 2011-05-06 15:34:08 +0800 CST

In Linux, how to temporarly freeze a user?

  • 772

On a mis-configured or buggy network filer (NFS NAS) writing a large file can cause the filer to freeze.

For diagnostics I need to be able to:

  1. Suspend (or in other words temporary freeze) all processes of a particular user
  2. Resume the user

Basically, like a kill -s SIGSTOP and kill -s SIGCONT but for the entire user.

To do that, is there a way to temporary take away all CPU-time from a user in Linux?

linux nfs process suspend

2 Answers

  1. Best Answer

    You can do this more reliably than SIGSTOP and SIGCONT by using the cgroup freezer.

    • 4

  2. Try pkill -STOP -u <username> and resume with pkill -CONT -u <username>

    • 0