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na_test
2012 Mar 25
1
how to speed up OpenSSH command execution (and a speed analysis)
...when not used for a day, stop it.
ANALYSIS:
I made some tests on the speed of command executiong with NRPE, SSH,
SSH+NRPE,
etc.:
The check_load command was defined as
/usr/lib/nagios/plugins/check_load -w 15,10,5 -c 30,25,20
in NRPE.
The sshd_config of the remote host is found below[3].
The nagtest user on the remote host has:
- this /etc/passwd entry:
nagtest:x:54115:100::/home/nagtest:/bin/bash
- a .bashrc and .profile in his homedir
1) NRPE (with it's fake-SSL mode) alone, no SSH or so at all:
# time /usr/lib/nagios/plugins/check_nrpe -H host.example.org -c
check_load
OK - load...