Sometimes it’s hard to find what you’re looking for in the Oracle documentation or on MOS if you don’t already know what exactly to search for. This happened to me while trying to find out how the method of changing the DB connection for the EM repository changed in 13c. So I thought my findings are worth sharing.
In earlier releases of Enterprise Manager (Grid Control or Cloud Control), connection settings were stored in a file named “emoms.properties”. While this file still existed on the EM 13.2 environment I was working on, there wasn’t any connection string in it.
After searching for quite a while (sifting a wealth of outdated documents), I found out there’s a specific emctl command to set the DB connection. This command already exists since 11g where it had to be used when the repository DB was put in a RAC. Now it seems to be the only way to change the connect string, be it RAC or single instance.
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Recently, I bought the Hypersecu HyperFIDO K5 Key to help me secure access to several websites and services with U2F (“Universal Two-Factor Authorization”).
This works fine and easy on Windows, but with Linux things get a little complicated: The key isn’t accessible to all users by default. This has to be activated using udev rules, which is widely documented on the web, but very often erroneous or outdated. Here’s what I found:
Note to self:
You can export highlighted text (e.g.: SQL code) easily from Notepad++ to RTF and/or HTML using “Plugins” – “NppExport” – “…”. Voilá – there’s highlighted code in your Document, Presentation, Website, a.s.f.!
Also, this: https://sqlandplsql.com/2012/08/11/notepad-tips-and-tricks/