A new technical guide published by TechBullion outlines best practices for deploying Rocky Linux 9 on Amazon Web Services Elastic Compute Cloud instances in production environments. The article emphasizes stability, security, and efficiency for enterprise workloads. It provides detailed recommendations across architecture, storage, networking, and monitoring.
Rocky Linux 9, a community-driven operating system compatible with Red Hat Enterprise Linux 9, offers long-term stability and security features ideal for cloud deployments. Published on February 4, 2026, the TechBullion guide highlights its integration with AWS EC2 for applications like web servers, databases, and data pipelines.
For instance selection, the guide recommends M-series instances for general-purpose tasks, C-series for compute-intensive workloads, and R- or X-series for memory-heavy applications. It advises x86_64 architecture for broad compatibility, while noting ARM-based Graviton instances for cost-effective performance if software supports aarch64.
Storage best practices include sizing root volumes at 20-40 GB minimum and using gp3 EBS volumes for balanced I/O, with XFS as the preferred filesystem. Networking setups should feature segmented VPC subnets, tight security groups, and Elastic Network Adapter support for low-latency connections.
Security measures stress keeping SELinux in enforcing mode, automating patches with tools like dnf-automatic, disabling password-based SSH, and layering firewalld with AWS controls. Automation via cloud-init and tools like Ansible promotes consistent configurations and immutable infrastructure to reduce drift.
Performance tuning covers CPU governors, memory swappiness adjustments, and I/O testing with fio. Monitoring involves CloudWatch metrics, centralized logging with rsyslog, and actionable alerts. For resilience, the guide advocates EBS snapshots, multi-Availability Zone deployments, and defined recovery objectives.
Overall, the guide positions Rocky Linux 9 on EC2 as a reliable choice for scalable, secure operations, urging regular image updates and documentation for compliance.