Amazon Linux 2023 (AL2023)

• https://aws.amazon.com/linux/amazon-linux-2023/

• five years of support
• DNF instead of YUM
• systemd-networkd instead of dhclient
• sudo dnf update --releasever=2023.0.20230928 --security
• Kernel Live Patching
• Security updates disabled by default
• OpenSSL 3
• XFS
• AL2023 AMIs use Amazon EBS gp3 volumes by default, while Amazon Linux 2 AMIs use Amazon EBS gp2 volumes by default. You can change the volume type when you launch an instance.
• IMDSv2 disabled by default

Activities

• Read https://aws.amazon.com/amazon-linux-2/faqs/

See also

• Amazon Linux: Amazon Linux 2, Amazon Linux 2023, AMI, amazon-linux-extras, al2022