the cause of a slow ssh connection
you can use ssh -v to chech why do you have a slow ssh connection
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ssh -v username@server
If it is stucked on the step pledge: exec
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debug1: channel 0: new [client-session]
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: pledge: exec
then something the elogind or systemd-logind service maybe wrong. If so, restart the service can solve this problem.
how to solve this problem
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user@server ~ $ sudo rc-service elogind restart
* Starting elogind ...
* start-stop-daemon: /lib64/elogind/elogind is already running [ !! ] * ERROR: elogind failed to start
If you can not restart it, just kill and then start it.
