This is a repackaged open source software product wherein additional charges apply for baseline security hardening, kernel performance tuning, weekly automated patch integrations, versatile storage support (Standard & LVM), and pre-integrated AWS cloud utilities.
This is a repackaged open source software product wherein additional charges apply for pre-configured security hardening, automated spec-driven kernel optimizations, production-optimized storage architectures, access to a supplemental cloud package repository, and an automated continuous maintenance pipeline.
Value-Added Technical Enhancements
Spec-Driven Dynamic Performance Optimization
Upon first boot, the system automatically analyzes the underlying EC2 instance specs and dynamically applies tailored sysctl kernel adjustments, network buffer allocations, and disk I/O parameters.
Note: These automated adjustments provide a general-purpose, high-throughput cloud baseline. System administrators are encouraged to fine-tune specific kernel parameters according to their unique workload demands.
Automated Weekly Build Pipeline & Vulnerability Mitigation
Our continuous integration pipeline rebuilds and validates this AMI weekly, integrating the latest upstream security advisories and critical CVE patches to significantly minimize post-boot update overhead.
Baseline Security Hardening
Pre-configured with essential OS security baselines, a minimized default attack surface, and streamlined network access (OS firewall disabled by default).
Minimal Footprint by Default: To preserve upstream system purity, the avoracloud repository is disabled by default, and only amazon-ssm-agent is pre-installed out of the box.
Testing Notice:Packages are compiled from upstream source releases. We recommend evaluating packages in non-production environments prior to production deployment.
Storage & Filesystem Variant Selection Guide
Partitioning Strategy
Recommended Filesystem
Primary Use Case
Key Advantage
Standard Partitioning
XFS
High-throughput databases & standalone web servers
Maximum raw disk I/O performance & low filesystem overhead
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing is based on a fixed subscription cost and actual usage of the product. You pay the same amount each billing period for access, plus an additional amount according to how much you consume. The fixed subscription cost is prorated, so you're only charged for the number of days you've been subscribed. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
You pay by the hour for this hardened CentOS Stream 9 ARM64 image, based on the AWS EC2 instance type you run. Each dimension maps to one ARM64 (Graviton) instance type, from small sizes like t4g.nano up to large bare-metal options like c8g.metal-48xl. Rates scale with instance size and family. General-purpose (m, a, t4g), compute (c), memory (r, x), storage (i, im, is), and GPU (g5g) families are all covered. You choose the instance that fits your workload; the hourly software charge applies on top of standard AWS infrastructure costs.
Top-of-mind questions for buyers
What do I get for the hourly software charge on each instance type?
You get a security-hardened CentOS Stream 9 ARM64 image tuned for AWS. The vendor adjusts kernel parameters, I/O schedulers, and TCP stacks for the AWS Nitro System. The image ships with a minimized attack surface and receives quarterly updates plus vulnerability mitigations for the last three major versions.
Am I charged the hourly software fee when my instance is stopped?
The software charge meters running instance-hours only. A stopped or powered-off instance does not accrue the hourly software fee. You may still pay standard AWS charges for attached storage while the instance is stopped, but the software license bills active running time.
How does the hourly software charge combine with my AWS costs?
Two charges apply at once. The hourly software fee for the hardened image is set per instance type. Standard AWS infrastructure costs for compute, storage, and data transfer bill separately. Both appear together, and larger or higher-family instance types carry higher software rates.
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Vendor refund policy
This product follows the standard cloud marketplace billing model. You may stop incurring charges at any time by terminating the instance. Refunds for any pre-paid or unused portions are subject to the cloud platform's billing policies.
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Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA).
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Updated all packages to the latest version.
For more information, please visit our support community.
Additional details
Usage instructions
Note: For all Avora Linux AMI products, the default login username is ec2-user.
Connect via SSH:
Launch the Instance: Launch an instance from this AMI using the EC2 Console or AWS CLI. Ensure you select a Key Pair during the launch process.
Security Group: Make sure the Security Group attached to the instance allows inbound traffic on TCP port 22 (SSH) from your IP address.
Connect: Open your terminal or SSH client and connect using the default username and your private key file.
Connect via AWS Systems Manager (SSM): This AMI comes pre-installed with the AWS SSM Agent. If you attach an IAM role with the AmazonSSMManagedInstanceCore policy to the instance, you can securely connect via Session Manager in the AWS Console without opening port 22 or managing SSH keys. (For using Session Manager, please refer to the official AWS User Guide: https://docs.usvm.9mmj.com/AWSEC2/latest/UserGuide/connect-with-systems-manager-session-manager.html)
System Details:
Boot Mode: Supports both Legacy BIOS and UEFI (UEFI-preferred).
The software listing fee covers continuous CI/CD updates, patch integration, baseline security hardening, and enterprise packaging. It does not constitute a managed infrastructure or IT consulting agreement. Vendor support strictly focuses on image integrity, platform initialization, and pre-configured baselines.
For full-scale cloud migration, custom architecture design, or Day-2 operations, customers are encouraged to engage AWS Professional Services or an AWS Certified Partner.
Response SLA: Initial technical triage is provided within 24 to 48 business hours.
In-Scope Support (Platform & Image Integrity)
Boot Diagnostics: EC2 launch integrity, cloud-init failures, hypervisor-level boot verification, and block-device mount topology.
Security Baselines: Conflict resolution for pre-configured OS security baselines, SELinux profiles, and access controls.
Kernel Advisory: Guidance for pre-applied sysctl parameters, spec-driven dynamic optimizations, and network buffer allocations.
Tooling & Repo Integration: Assistance with activating the avoracloud RPM repo, GPG key verification, and pre-integrated AWS utilities (e.g., AWS SSM Agent, Mountpoint for S3).
Out-of-Scope Support (Day-2 & Application Layer)
Ongoing Day-2 Linux administration, user access management, VPC/network customization, and custom shell scripting.
Post-launch installation, integration, workload tuning, or troubleshooting for third-party software.
Direct bug fixes for upstream Linux kernel or distribution packages (handled by official upstream communities).
Private Offers & Custom Contracts
Flexible Billing: Monthly/annual contract options available for long-term volume discounts. Contact sales for custom private offers and enterprise EULAs.
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
This is a repackaged open source software product wherein additional charges apply for baseline security hardening, kernel performance tuning, weekly automated patch integrations, versatile storage support (Standard & LVM), and pre-integrated AWS cloud utilities.
This is a repackaged open source software product wherein additional charges apply for baseline security hardening, kernel performance tuning, weekly automated patch integrations, versatile storage support (Standard & LVM), and pre-integrated AWS cloud utilities.
This is a repackaged open source software product wherein additional charges apply for baseline security hardening, kernel performance tuning, weekly automated patch integrations, versatile storage support (Standard & LVM), and pre-integrated AWS cloud utilities.
This is a repackaged open source software product wherein additional charges apply for baseline security hardening, kernel performance tuning, weekly automated patch integrations, versatile storage support (Standard & LVM), and pre-integrated AWS cloud utilities.
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