Oracle Cloud Infrastructure – one DRG to many VCNs – arrived in Zurich / Switzerland – Upgrade Time!

One of my OCI favorites is finally arrived in Oracle Cloud Infrastructure data center eu-zurich-1 – the possibility to attach one Dynamic Routing Gateway DRG to multiple Virtual Cloud Networks VCNs. To see how it works, Simo has written three blog posts where it’s very well described. Now it’s time to upgrade my existing DRG! OCI Dynamic Routing Gateway Attachments Part 1 – Basics | That Finnish Guy OCI Dynamic Routing Gateway Attachments Part 2 – Dynamic Route Import Distributions | That Finnish Guy OCI Dynamic Routing Gateway Attachments Part 3 – Remote Peering Connections | That Finnish Guy Oracle’s OCI documentation: Dynamic Routing Gateways (DRGs) (oracle.com) How to upgrade an existing DRG? See here – just click on the…

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Oracle EM13c in Oracle Cloud Infrastructure – sending Mail Notifications by Email Delivery Service

For the Trivadis Oracle Enterprise Manager Training, we setup and Oracle EM13c in the Oracle Cloud Infrastructure. One student exercise is, to setup notification rules. Therefore a mail server is required. In Oracle Cloud Infrastructure, there is an Email Delivery service available which fits best: Overview of the Email Delivery Service (oracle.com) I have tried to setup a local postfix mail gateway which used the NAT gateway address as sender’s address. But the NAT gateway addresses are blacklisted in spam services like spamhaus.com. Even Microsoft doesn’t want to allow these mails send by the NAT gateway. You can see my attempts at the bottom of this blog post. Setup Subnet Component Purpose Public Virtual Machine Bastion Server, SSH Access, Apache…

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