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On 25/06/12 13:08, Lissa Valletta
wrote:
The first problem is why the
postscripts did not run during the install. One typical
cause of this is if any file in /install/postscripts or it's
subdirectories is not world-readable (0744) is a good setting
for those files. On the node after the install are two
files, there is a wget.log in /tmp and a file
/xcatpost/mypostscript. This script is run during the
install and by updatenode. Try running updatenode -P -V and
see how far it gets. If you can xdsh to the node without a
password prompt, we should be able to run updatenode -P -V and
maybe understand why your postscripts are not running, what is
hanging it.
updatenode -P -V does not
directly run the postscripts , it creates and runs a
/xcatpost/mypostscript file which should have all the
environment variables needed for the script, set.
It does also sound like one
possibility is the node does not have name resolution or a
correct ip address for the Management node. It needs that
for the wget of the postscripts from the node to the MN
during the install or the updatenode.
when you run the updatenode -P
-V you should see an output like the following:
rhsn: Internal call command:
xdsh cn1 -s -v -e /install/postscripts/xcatdsklspost 1 -m 10.16.0.103 ''
Is the address an address that
the node can contact the management node.
On the node, look in
/xcatpost/mypostscript and check what are the settings of
MASTER. Was a new file created when you ran updatenode -P
-V, it should have been.
Lissa K. Valletta
2-3/T12
Poughkeepsie, NY 12601
(tie 293) 433-3102
 Patrick Jaeger ---06/22/2012
11:42:07 AM---Hello, We are installing an x3550M4 rhel6.2
cluster with xCAT 2.7.2. We have got
From: Patrick Jaeger
<[email protected]>
To: xCAT Users Mailing list
<[email protected]>
Date: 06/22/2012 11:42 AM
Subject: [xcat-user] On install ssh_host
keys are not properly set
Hello,
We are installing an x3550M4 rhel6.2 cluster with xCAT 2.7.2. We
have got to the point where rinstall causes an rhel6.2 system to
be installed on a client. But the installation seems incorrect :
1/ When we try to log on to the node it asks for a password. We
supplied it and discovered that directory /root/.ssh was not
created.
2/ We also discovered that /etc/ssh/ssh_host* files were not the
expected copies of /etc/xcat/hostkeys/ssh_host* and sshd_config
and ssh_config have their original values
3/ syslog postscript was not run sot the syslog is not
redirected to xcatserver
4/ syncfile did not bring any file
5/ file /tmp/ks-script-30ymnI.log contains the following error
message :mv: cannot stat `xxx.xx.xxx.xxx/postscripts' No such
file or directory (where xxx.xxx.xxx.xxx is my xcatserver
address)
6/ During boot the console displayed :
/xcatpost/updateflag.awk:22 remote host and port information
(3002, installation booted) invalid
We tried to see whether we could solve the issue by running
updatenode -k. This did create the authorized_keys file and we
can now log to the node without giving a password. But after
the Setup ssh keys has completed message is displayed,
updatenode remains frozen. We can log on to the node and we see
that .ssh/authorized_keys has been created and some change in
/etc/ssh, ssh_config and sshd_config have been updated there is
an sshd_config.ORIG and ssh_host_dsa_key is now a 0 byte file.
To go further, we restarted xcatd to end the frozen updatenode
-k. We then tried updatenode -P syslog. It causes syslog to be
redirected to @ with no address, because that postscript uses
global variable MASTER to redirect syslog and that variable does
not exist (it seems updatenode does not provide it).
Any suggestion is welcome. Thank you for your help,
Bonne réception / Bests Regards
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I have seen the same issue, and I run the following command at the
time of postscripts; it's the public keys that are not being
created; I have now seen this in all my post 2.7 installations
ssh-keygen -y -f /etc/ssh/ssh_host_dsa_key >
/etc/ssh/ssh_host_dsa_key.pub
ssh-keygen -y -f /etc/ssh/ssh_host_rsa_key >
/etc/ssh/ssh_host_rsa_key.pub
ssh-keygen -y -f /etc/ssh/ssh_host_key >
/etc/ssh/ssh_host_key.pub
Not sure why this process doesn't happen anymore, but this is my fix
--
regards,
Arif
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