Red Hat SATELLITE 5.0.0 RELEASE NOTES Installationsanleitung PDF herunterladen (Seite 59)

To derive the character set types of your Satellite's database, run the command:

rhn-charsets

If the administrator is not getting email from the RHN Satellite Server, confirm the correct email

addresses have been set for traceback_mail in /etc/rhn/rhn.conf.

If the traceback mail is marked from [email protected] and you would like the address to

be valid for your organization, include the web.default_mail_from option and appropriate

value in /etc/rhn/rhn.conf.

If importing/synchronizing a channel fails and you can't recover it in any other way, run this

command to delete the cache:

rm -rf temporary-directory

Note that Section 2.2.1, “Preparing Channel Content ISOs” suggested that this temporary

directory be /var/rhn-sat-import/.

Next, restart the importation or synchronization.

If up2date or the push capability of the RHN Satellite Server ceases to function, it is possible

that old log files may be at fault. Stop the jabberd daemon before removing these files. To do

so, issue the following commands as root:

service jabberd stop

cd /var/lib/jabberd

rm -f _db*

service jabberd start

3. Host Not Found/Could Not Determine FQDN

Because RHN configuration files rely exclusively on fully qualified domain names (FQDN), it is

imperative key applications are able to resolve the name of the RHN Satellite Server into an IP

address. Red Hat Update Agent, Red Hat Network Registration Client, and the Apache Web

server are particularly prone to this problem with the RHN applications issuing errors of "host

not found" and the Web server stating "Could not determine the server's fully qualified domain

name" upon failing to start.

This problem typically originates from the /etc/hosts file. You may confirm this by examining

/etc/nsswitch.conf, which defines the methods and the order by which domain names are

resolved. Usually, the /etc/hosts file is checked first, followed by Network Information Service

(NIS) if used, followed by DNS. One of these has to succeed for the Apache Web server to start

Host Not Found/Could Not Determine FQDN

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Red Hat SATELLITE 5.0.0 RELEASE NOTES Installationsanleitung Seite 59