--- title: "#oci articles | Hashnode" description: "Explore 306 articles tagged #oci on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/oci" --- Tag # #oci 306 posts · 59 followers [Rajesh Ravi](https://hashnode.com/@rajeshravi) · [6d ago](https://hashnode.com/posts/zero-downtime-monitoring-in-oem-24ai-patching-your-oms-without-going-blind/6aef30394cf43edb0a6aaa3f) ### [Zero Downtime Monitoring in OEM 24ai: Patching Your OMS Without Going Blind](https://www.rajeshravi.com/zero-downtime-monitoring-in-oem-24ai-patching-your-oms-without-going-blind?utm_source=hashnode&utm_medium=feed) EM 24ai's Zero Downtime Monitoring keeps alerts and notifications live during OMS patching. Here's how it works and what your topology needs to get it. 8 min read · [rajeshravi.com](https://www.rajeshravi.com/zero-downtime-monitoring-in-oem-24ai-patching-your-oms-without-going-blind?utm_source=hashnode&utm_medium=feed) [Jasmin Walia](https://hashnode.com/@jasminwalia) · [Nov 3](https://hashnode.com/posts/oracle-cloud-infrastructure-explained-10-concepts-beginners-must-understand/6ae9b0235693227cfe4eff5c) ### [Oracle Cloud Infrastructure Explained: 10 Concepts Beginners Must Understand](https://jasminwalia.hashnode.dev/oracle-cloud-infrastructure-explained-10-concepts-beginners-must-understand?utm_source=hashnode&utm_medium=feed) Learn 10 essential Oracle Cloud Infrastructure concepts, including regions, IAM, VCNs, compute, storage, databases, security, and cost management. 18 min read · [jasminwalia.hashnode.dev](https://jasminwalia.hashnode.dev/oracle-cloud-infrastructure-explained-10-concepts-beginners-must-understand?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Nov 2](https://hashnode.com/posts/oci-networking-beginners-create-vcn-subnets-gateways/6ae85581b9102cacf6bf4785) ### [OCI Networking for Beginners: Build Your First VCN Step by Step](https://oracletechinsights.hashnode.dev/oci-networking-beginners-create-vcn-subnets-gateways?utm_source=hashnode&utm_medium=feed) Introduction Networking is one of the first things to understand when getting started with Oracle Cloud Infrastructure (OCI). Before deploying application servers or databases, you need a network that 9 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/oci-networking-beginners-create-vcn-subnets-gateways?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 28](https://hashnode.com/posts/configuring-oci-private-dns-resolution-across-two-regions/6ae1b11113fd4e46747c2c78) ### [Configuring OCI Private DNS Resolution Across Two Regions](https://oracletechinsights.hashnode.dev/configuring-oci-private-dns-resolution-across-two-regions?utm_source=hashnode&utm_medium=feed) Configure cross-region OCI Private DNS with private zones, listener and forwarding endpoints, domain rules, and DNS resolution testing. 5 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/configuring-oci-private-dns-resolution-across-two-regions?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 28](https://hashnode.com/posts/oci-remote-peering-connection-between-regions/6ae1bd39f07f26088fa7bac0) ### [Connect OCI VCNs Across Regions Using Remote Peering Connections (RPC)](https://oracletechinsights.hashnode.dev/oci-remote-peering-connection-between-regions?utm_source=hashnode&utm_medium=feed) Learn how to configure OCI Remote Peering Connections between VCNs in different regions using DRGs, route tables, security rules. 5 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/oci-remote-peering-connection-between-regions?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 28](https://hashnode.com/posts/connect-two-oci-vcns-using-local-peering-gateway/6ae1b7b75a4a09ccf8335abe) ### [How to Connect Two OCI VCNs in the Same Region Using a Local Peering Gateway](https://oracletechinsights.hashnode.dev/connect-two-oci-vcns-using-local-peering-gateway?utm_source=hashnode&utm_medium=feed) Learn how to connect two OCI VCNs in the same region using Local Peering Gateways, bidirectional route rules, security lists, and Network Path Analyzer. 5 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/connect-two-oci-vcns-using-local-peering-gateway?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 20](https://hashnode.com/posts/add-third-party-repository-oci-os-management-hub/6ad729fc626482154ebbfcb3) ### [How to Add a Third-Party Software Repository to OCI OS Management Hub and Attach It to Autonomous Linux 10](https://oracletechinsights.hashnode.dev/add-third-party-repository-oci-os-management-hub?utm_source=hashnode&utm_medium=feed) Learn how to add Remi's RPM Repository to OCI OS Management Hub, attach it to Autonomous Linux 10, and verify package availability using DNF. 5 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/add-third-party-repository-oci-os-management-hub?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 20](https://hashnode.com/posts/how-to-scale-oci-shielded-instances-up-or-down-while-preserving-their-ip-addresses/6ad71dea90a6164771955e00) ### [How to Scale OCI Shielded Instances Up or Down While Preserving Their IP Addresses](https://oracletechinsights.hashnode.dev/how-to-scale-oci-shielded-instances-up-or-down-while-preserving-their-ip-addresses?utm_source=hashnode&utm_medium=feed) Learn how to scale OCI Shielded Instances up or down using boot volume backups and instance replacement while retaining the same private IP address. 16 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/how-to-scale-oci-shielded-instances-up-or-down-while-preserving-their-ip-addresses?utm_source=hashnode&utm_medium=feed) [Janith Jayasinghe](https://hashnode.com/@janithj) · [Oct 20](https://hashnode.com/posts/connecting-azure-application-servers-to-oracle-databases-in-oci-using-expressroute-and-fastconnect/6ad70e3976d9e6c06e9d9c2e) ### [Connecting Azure Application Servers to Oracle Databases in OCI Using ExpressRoute and FastConnect](https://oracletechinsights.hashnode.dev/connecting-azure-application-servers-to-oracle-databases-in-oci-using-expressroute-and-fastconnect?utm_source=hashnode&utm_medium=feed) How to securely connect Azure application servers to Oracle databases in OCI using ExpressRoute, FastConnect, BGP routing, and private networking. 15 min read · [oracletechinsights.hashnode.dev](https://oracletechinsights.hashnode.dev/connecting-azure-application-servers-to-oracle-databases-in-oci-using-expressroute-and-fastconnect?utm_source=hashnode&utm_medium=feed) [Sunny](https://hashnode.com/@snskArora) · [Sep 27](https://hashnode.com/posts/one-file-twenty-five-images-part-1-2-the-design/6ab9599e002da76905bd114b) ### [📦 One File, Twenty-Five Images, Part 1/2 - The Design](https://sunny-snskarora.hashnode.dev/one-file-twenty-five-images-part-1-2-the-design?utm_source=hashnode&utm_medium=feed) Hey all 👋 Here is a problem that sounds boring until you try it: move twenty-five container images from one world to another, where the two worlds share no network. Source registry on one side, Artif 15 min read · [sunny-snskarora.hashnode.dev](https://sunny-snskarora.hashnode.dev/one-file-twenty-five-images-part-1-2-the-design?utm_source=hashnode&utm_medium=feed)