Step 5: As a good security practice, it is not advised to run nexus service with root privileges. You can get the latest download links fo for nexus from here. Step 3: Create a directory named app and cd into the directory. Step 2: Install OpenJDK 1.8 sudo yum install java-1.8.0-openjdk.x86_64 -y Step 1: Login to your Linux server and update the yum packages. Note: This was tested on a Redhat machine and it will work on Centos or related Linux flavors as well.

This article guides you to install and configure Sonatype Nexus 3 in a secure way on an ec2 Linux System. Check out the official system requirements document for detailed information Sonatype Nexus 3 on Linux ec2 Note: For production setup, please consider minimum production hardware requirements based on the nexus usage and data storage.

All Nexus processes should run as a non-root nexus user.

Server firewall opened for port 22 & 8081.

It effectively manages deployable artifacts. It is some tool that you cannot avoid in your CI/CD pipeline.

Understand Nexus Repository 2 vs.Sonatype Nexus is one of the best open-source artifact management tools.

Manual Import/Export (Preferred if Cannot Use Wizard).

Built-in Upgrade Wizard (Always Preferred).

Begin by Determining and Planning Your Upgrade Path.

Upgrading from Nexus Repository 2 to Nexus Repository 3 requires creating an upgrade plan: This makes Nexus Repository 3 far more scalable to different ecosystems and deployment environments, avoiding the file system limitations that some Nexus Repository 2 deployments encountered with flat directories containing tens of thousands of components common in some repositories. While Nexus Repository 2 was based on a Maven repository design that was dependant on how components were stored on the file system, Nexus Repository 3 uses blob storage, moving away from the idea of a repository being a folder in a file system.

Nexus Repository 3 is a complete redesign of the repository manager and does not include any legacy code from Nexus Repository 2.

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