This product has charges associated with it for seller-performed integration of Ruby 3.0 with CentOS Stream 9, application of a verified operating-system hardening baseline, preparation of the Ruby runtime and package tooling, and final AMI testing on a documented EC2 baseline.
This product provides Ruby 3.0 integrated with CentOS Stream 9 and delivered as an Amazon Machine Image (AMI) by ThinkCloud. The image includes a pre-configured, security-hardened Ruby runtime and package tooling for immediate deployment.
Ruby 3.0 is a major release of the Ruby programming language for web applications, scripting, automation, and general-purpose development. Installed through the CentOS dnf package manager, the environment includes the Ruby runtime and access to the RubyGems ecosystem with Rails, Sinatra, Rake, and Bundler.
Ruby 3.0 includes Ractor concurrency, the Fiber Scheduler interface for non-blocking I/O, and optional static analysis through RBS and TypeProf.
Marketplace software charges cover seller-performed software and operating-system integration, preparation of the Ruby runtime and package tooling, application of the verified hardening baseline, repeatable image construction, and final AMI testing. Support and maintenance are supplementary services and are not the sole basis for the software charges.
Highlights
CentOS Stream 9 Minimal installation with latest updates
Professional technical support and fast response
Optimized configuration for Ruby 3.0 on CentOS Stream 9
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 actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time. Alternatively, you can pay upfront for a contract, which typically covers your anticipated usage for the contract duration. Any usage beyond contract will incur additional usage-based costs.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
You pay by the hour for each running instance, with no upfront commitment. Pricing follows the AWS EC2 instance type you choose to run this Ruby on CentOS Stream 9 image. Each dimension maps to a specific instance size, from small burstable types to large memory, compute, storage, and accelerated-compute machines. Your hourly rate scales with the size and capability of the instance. Larger instances with more vCPUs, memory, or GPUs carry higher hourly rates. You select the instance that fits your workload, and the vendor's support is included at every instance size.
Top-of-mind questions for buyers
What do I get for the hourly rate on each instance dimension?
Each hourly rate covers the running Ruby on CentOS Stream 9 software image on the matching AWS EC2 instance size. One dimension equals one instance type. You pay for each hour that instance runs. Vendor support is included with every instance size at no separate charge.
Am I charged the hourly rate when an instance is stopped or idle?
The software charge meters running instance-hours only. A fully stopped instance stops accruing the software fee. You still may owe underlying AWS fees, such as storage for attached volumes, while the instance is stopped. Restarting the instance resumes the hourly software charge automatically.
How does my bill change if I switch to a larger instance type?
You pick one instance dimension at a time and pay its hourly rate while it runs. Moving to an instance with more vCPUs, memory, or GPUs means a higher hourly rate. The change is manual: you launch the new instance type. There is no upfront commitment tying you to one size.
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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
ruby3.0
Additional details
Usage instructions
Connection Method
Connect via SSH as user 'ec2-user' to the running instance.
Use sudo to run commands requiring root access, or switch to root using: sudo su - root
Application Details
Check Version: ruby --version
RubyGems Version: gem --version
IRB (Interactive Ruby): irb
Binary Path: /usr/bin/ruby
Gem Installation Directory: /usr/share/gems (system) or ~/.gem (user)
(Note: To install gems for the current user without sudo, use: gem install <gemname> --user-install)
Package Management
Ruby 3.0 is installed via dnf. To update:
sudo dnf update ruby
To verify installed packages:
dnf list installed | grep ruby
To install a gem:
gem install bundler
To install project dependencies via Bundler:
bundle install
Running Ruby Applications
Run a Ruby script:
ruby script.rb
Start an interactive Ruby session:
irb
Run a Rack or Rails application (example):
bundle exec rails server -b 0.0.0.0 -p 3000
Network Configuration
Ruby itself does not listen on any ports by default.
Open ports only as required by the web framework or application you deploy.
AWS Security Group: Add inbound rules for the port your application listens on (e.g. 3000 for Rails).
Please allow SSH port 22 to limited IPs for access.
Support
Vendor support
If you encounter problems in the process of using the system, please feel free to contact us by email: support@thinkclouds.ai!
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.
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