Re: several questions on running cfengine

[Andrew Stribblehill]

Quoting Eva Hocks <hocks@sdsc.edu> (2003-03-08 01:39:52 GMT):
> 
> 
> On Fri, 7 Mar 2003, Andrew Stribblehill wrote:
> 
> > Quoting Eva Hocks <hocks@sdsc.edu> (2003-03-06 11:04:26 GMT):
> > >
> > > What is the difference to run cfagent or cfexecd?
> >
> > cfexecd performs two roles: it wraps cfagent and squirrels away its
> > output, and by default it daemonises itself and runs cfagent hourly,
> > emailing the admin if there exists output and it is different from
> > the last run.
> >
> > > While cfagent runs all right, cfexecd complains about:
> > >  b80n13: cfengine defines no system administrator address
> > >  b80n13: Need: sysadm = ( ??@?? ) in control
> 
> I figured the problem was I ran the command via the dsh (distributed
> shell) on a 16 node cluster. That shell does not run the profile.
> 
> > We could do with seeing the output from cfexecd to say what it can't
> > find.
> 
> The errors I got are the 2 lines in my email, that's all. But it's because
> of the dsh, it works local on the node.
> 
> 
> [snip]
> > Likewise, if your server doesn't have <client's-ip>.pub in its ppkeys
> > directory, it hasn't trusted your client. I find that the best way to
> > introduce a client to a server is to set up cfservd.conf to trust the
> > server's IP address and to allow the 'root' user. Then from the
> > server, I run 'cfrun <client>' and allow it to trust the key. This is
> > then a one-shot trust at at time of my choosing.
> 
> 
> I deleted all existing keys, ran cfkey, changed the cfservd config to
> trust the ip and restarted cfservd. Still the same error:
> 
> Connect to b80cw = 192.168.240.254 on port cfengine
> cfengine:b80n11: Trusting server identity and willing to accept key from
> b80cw=192.168.240.254
> Saving public key /var/cfengine/ppkeys/root-192.168.240.254.pub
> cfengine:b80n11: Server returned error:  Host authentication failed. Did
> you forget the domain name?
> 
> The server does have the correct root-192.168.240.11.pub which I compared
> with the localhost.pub on the client. The root-192.168.240.254.pub is the
> same as the localhost.pub on the server. Still isn't the correct key.
> 
> There must be something else to trust the key?
> Thanks,

If both hosts have correct copies of each other's key, that part
of the exchange will work. However, cfservd has to be told which
users and IP ranges to trust.

control:
  AllowUsers = ( root)
  AllowConnectionsFrom = ( 192.168.0  192.168.2.1-96 )

for example.
-- 
HUMBER THAMES DOVER WIGHT PORTLAND PLYMOUTH NORTHWEST BISCAY
WEST OR SOUTHWEST 5 TO 7, OCCASIONALLY GALE 8 AT FIRST IN HUMBER
THAMES DOVER AND WIGHT. RAIN OR DRIZLE AT TIMES. GOOD BECOMING
MODERATE OR POOR