Thanks>>
On 23/01/13 08:26, William Murray wrote:Allegedly, on or about 23 January 2013,
William Murray sent:
/ in ./NetworkManager/dispatcher.d/ and looks at new network
/>>/ connections.
/>>/ If it sees one machine some criteria it calls a backup script
/>>/ in /etc/cron.daily/ which rsyncs various directories between my laptop
/>>/ and a desktop machine. This worked will in F17 and many
/>>/ previous versions.
/>>/ In F18 the rsync command fails to connect:
/>>/ dbus-daemon[938]: Could not create directory '/root/.ssh'.
/>>/ dbus-daemon[938]: Host key verification failed.
/>>/
/>>/ If I run either of the scripts as root interactively then they work.
/>>/ But not when NetworkManager tries to run them. Any idea what might be
/>>/ wrong? Both end already have /root/.ssh, so this error confuses me.
/>
First thought: The scripts run by the dispatcher probably aren't being
run as the root user.
Thanks...I tried echoing the output of 'whois' but that says root.
>
Second thought, unrelated to the problem, but a common enough gotcha for
any automatically run scripts: Sometimes scripts don't run in the same
environment as you're used to, as a user. So it can be better to write
the full path to any command, rather than just use the command name, and
hope that it's in the search path of the script's environment. /bin
probably is, but you never know with /sbin, and the various ones
inside /usr.
The thing is that rsync is being run - does it matter how?. I dug a bit
deeper though, and turned up the debug on sshd on the server, and diffed the
output.
I see 'good' and 'bad' attempts are the same up to
"expecting SSH2_MGG_NEWKEYS received [preauth]"
but that then a login launched by NetworkManager says
"Connection closed by XXX.YYY.ZZZ.??? [preauth]"
while one from me logged in as root says:
"SSH2_MGG_NEWKEYS received [preauth]"
Does this give any clues?
Bill
--
Bill Murray ---- ATLAS
STFC RAL at: Bat 40 4-C28, CERN,1211 Meyrin, Geneve 23, Switzerland
Tel:- CERN +41 22 7678432 or RAL +44 (0)1235 446256
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