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Hello,I've installed a Centreon 24.10.7 IT100 monitoring server. I monitor many clients such as Windows, Qnap NAS, and CentOS.But I'm having issues with my Ubuntu 10.04 clients.This command:--------------------/usr/lib/centreon/plugins//centreon_linux_ssh.pl --plugin=os::linux::local::plugin --mode=cmd-return --hostname='10.57.140.85' --ssh-backend='' --ssh-username='root' --ssh-priv-key='/root/.ssh/id_rsa' --ssh-port=''  --exec-command='ls'  --exec-command-options='/mnt/metz/test' --manage-returns='%(code) == 0,OK,lien iSCSI monté#%(code) == 1,UNKNOWN,probleme critique#%(code) == 2,CRITICAL,lien iscsi NON monté' --verbose-----------------------returns this result:---------------------

UNKNOWN: Command exit code (255)

Warning: Identity file /root/.ssh/id_rsa not accessible: Permission denied.

root@10.57.140.85: Permission denied (publickey,password).

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Thank you for your help.Eric