
Upgrading Version 4.1.1
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rm -f $ZENHOME/etc/zredis.conf
4. Switch user root, or to a user with root privileges.
su -
5. Upgrade Java.
a. Download the self-installing RPM of Oracle Java SE Runtime Environment 6u45 from the Java SE 6 Downloads
page. The file to download is jre-6u45-linux-x64-rpm.bin.
b. Make the RPM installer executable, install the JRE, and verify the installed version.
chmod +x ./jre-6u45-linux-x64-rpm.bin
./jre-6u45-linux-x64-rpm.bin
java -version
c. Remove the older version of Java.
yum -y remove jre-1.6.0_31-fcs.x86_64
6. Update the Zenoss dependencies repository.
rpm -Uvh http://deps.zenoss.com/yum/zenossdeps-4.2.x-1.el5.noarch.rpm
7. Clean up yum caches.
yum clean all
8. Update Memcached, Net-SNMP, and RRDtool, and install Redis.
yum -y install memcached net-snmp net-snmp-utils redis rrdtool-1.4.7
9. Update Nagios plugins.
yum -y install nagios-plugins nagios-plugins-dig nagios-plugins-dns \
nagios-plugins-http nagios-plugins-ircd nagios-plugins-ldap nagios-plugins-tcp \
nagios-plugins-ntp nagios-plugins-perl nagios-plugins-ping nagios-plugins-rpc
10.Configure required services to start when the host starts, and start the services:
for svc in memcached snmpd; do chkconfig $svc on; service $svc start; done
11.Log in to the Resource Manager browser interface as a user with ZenManager or Manager permissions.
• Select Advanced.
• Click Collectors.
• Select the collector to upgrade, and then select Update Collector from the Action menu.
7.13. Performance tuning
Finally, review the contents of the chapter titled "Performance Tuning". New tuning options have been added since
the previous release.
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