Dmitri Stepanov wrote on 7/14/2016 5:18 AM:
All the hosts are installed together in one rack and have fed from one UPS (only I am remote from the system :) and I haven't ability to connect to it. Some of hosts haven't NUT for a number of reasons. I don't need to inform not-NUT hosts about any UPS events, heartbeat, etc... but only shutdown all the hosts after upssched timer expired. Because script shutdown-all-hosts.sh works fine (there is no ssh problem) if it's been run by hand but don't work from CMDSCRIPT - I thought that I miss something "at the NUT side".
I do something similar, I don't want inbound connections (DMZ --> LAN), so I use SSH.
SSH environment difference (e.g. SSH agent forwarding)? That could explain why it works manually, but not when unattended (upssched).
I specifically set SSH_AUTH_SOCK="" in my shutdown script so it won't affect my testing when running the script by hand. I use ssh -i <password-less identity file> for each host to shut down.
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