I like the concept behind the Oracle Enterprise Manager Hybrid Cloud Architecture to connect my on-premise OMS with targets in the Oracle cloud. The Agent communicates via SSH tunnel to target servers, no other ports than SSH 22 are open against the world wide web. An I was interested to find out, if the installation of such an agent works for other cloud providers than Oracle too. Create a Oracle Linux Instance in Amazon AWS I have created a small…
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Enterprise Manager 13c – How to apply Patch 22505404: WLS PATCH SET UPDATE 12.1.3.0.160419
Since the 19th of April there is a new patch set available for Weblogic servers – Patch 22505404: WLS PATCH SET UPDATE 12.1.3.0.160419. This patchset has included 116 fixes and is a generic one. The patch is listed in the Enterprise Manager 13c as recommended. OPatch has no to be updated. This patch is not an online patch, you have to shut down your running EM13c server. This blog post describes the apply of the Weblogic patch set update in…
Read MoreFrom the Command Line into the to the Oracle Cloud – the ORACLE-DBCS-CLI Utility
The Oracle ORACLE-DBCS-CLI utility is a command-line interface tool to manage the lifecycle of your Database as as Service instances in cloud.oracle.com. You can create and delete instances, verify and apply patches, scale your instances up and down and many more. The advantage is that you can work with configuration files. And I like to work with such files, if I need 10 instances with the same shape, I have only to search and replace the instance name – fire! The ORACLE-DBCS-CLI utility is…
Read MoreDo you need a Mailserver for Testing Purposes? Communigate Pro!
When I am testing Oracle and other software, I want to verify functions like sending alert mails. On Linux systems it’s easy. The most distributions have packages like sendmail already preconfigured and ready to use. But for example on Windows systems, there is no built-in solution. The goal was to have a small virtual machine running as mailserver which can be used for all my test cases. CommuniGate Pro CommuniGate Pro is a groupware which supports a lot of solutions…
Read MoreHostname in Oracle Enterprise Linux 7 anpassen – hostnamectl
In Oracle Enterprise Linux 6 konnte man den Hostname beispielsweise mit Tools wie system-config-network oder durch editieren vom /etc/sysconfig/network File anpassen. In der Version 7 kann der Hostname mit dem Tool hostnamectl geändert werden. Ein Editieren vom Network-File funktioniert nicht mehr, der Hostname wird aus dem File /etc/hostname abgeleitet. Auszug aus den Oracle Enterprise Linux 7 Release Notes – https://docs.oracle.com/cd/E52668_01/E53499/html/section-bbw-bzj-4n.html: Nebst hostnamectl gibt es mit Tools für den NetworkManager wie nmtui und nmcli weitere Möglichkeiten, den Hostname anzupassen. Anzeigen vom Hostname mit…
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