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danblack
Asked: 2018-11-03 03:22:59 +0800 CST

How can sshd be configured to have high CPU priority

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When a server is overloaded, what is a way under systemd to give ssh a high priority to ensure a remote ssh connection gets a priority to resolve the critical situation?

ssh

1 Answers

  1. Create a systemd override file setting the nice level to a high negative priority (maximum is -20, however some kernel processes require that for integrity).

    /etc/systemd/system/ssh.service.d/nice_high.conf 

[Service]
Nice=-15

    Run systemctl daemon-reload for this to have an effect.

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