what is amazon linux
amazon linux is a linux distribution powered and updated by Amazon Web Services that can be used with Elastic Compute Cloud instances; Amazon Linux AMI packages and configurations can provide tight integration with Amazon Web Services, many AWS API tools and CloudInit are pre-installed.
The operating environment of this tutorial: Amazon Linux 2023 system, Dell G3 computer.
What is amazon linux?
Amazon Linux is a distribution powered and updated by Amazon Web Services that can be used with Elastic Compute Cloud (EC2) instances.
Integrated and extensible:
The Amazon Linux AMI is packaged and configured to provide tight integration with Amazon Web Services, many AWS APIs Tools and CloudInit are preinstalled. On startup, CloudInit allows remote provisioning of Amazon EC2 instances by passing instance configuration operations to the instance via EC2 user data fields.
Security Configuration:
Amazon Linux AMI configuration enhances security by focusing on two main security goals, one is to restrict access and the other is to reduce software vulnerabilities. Amazon Linux AMI limits remote access functionality by using an SSH key pair and disabling remote root login. In addition, Amazon Linux AMIs reduce the number of non-critical software packages installed on the instance, limiting the risk of potential security vulnerabilities. Security updates rated Critical or Important are automatically applied on the initial startup of the AMI.
Package Repository Access:
The Amazon Linux AMI is designed to be used with online package repositories hosted in various Amazon EC2 regions . Hosting repositories in each region helps deploy updates quickly without incurring any data transfer charges.
Related Extensions:
Amazon Linux 2023 is optimized for Amazon EC2, deeply integrated with the latest AWS features, and provides an integrated experience with many AWS-specific tools.
In terms of security, Amazon said Amazon Linux 2023 comes with preconfigured security policies to help users set up the system to meet various common industry guidelines. Amazon Linux 2023 also comes with a hardened Linux kernel by default for added security.
In terms of lifecycle support, Amazon will release a new major version of Amazon Linux every two years, including significant changes to the kernel, toolchain, GLib C, OpenSSL, and other system libraries and utilities. In addition to this, security updates will be available when they are ready, and there will be quarterly updates that include security updates, bug fixes, and new features and packages. These quarterly updates will update things like language runtimes and popular software packages.
Each version of Amazon Linux will be supported for five years, but after the initial two years and subsequent releases, a version will enter a maintenance phase and will only receive security vulnerability fixes and patches. Ideal for users who don't want to keep upgrading their operating system.
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