Amazon Linux 2


       __|  __|_  )
       _|  (     /   Amazon Linux 2 AMI
      ___|\___|___|

https://aws.amazon.com/amazon-linux-2/

Amazon Linux 2が発表されました。
https://aws.amazon.com/jp/about-aws/whats-new/2017/12/introducing-amazon-linux-2/

ec2-metadata

[root@ip-10-5-32-70 ~]# ec2-metadata
ami-id: ami-2a34b64c
ami-launch-index: 0
ami-manifest-path: (unknown)
ancestor-ami-ids: not available
block-device-mapping:
         ami: /dev/xvda
         root: /dev/xvda
instance-id: i-071c4a39e70ae745b
instance-type: t2.nano
local-hostname: ip-10-5-32-70.ap-northeast-1.compute.internal
local-ipv4: 10.5.32.70
kernel-id: not available
placement: ap-northeast-1a
product-codes: not available
public-hostname: ec2-13-112-183-81.ap-northeast-1.compute.amazonaws.com
public-ipv4: 13.112.183.81
public-keys:
keyname:galaxy
index:0
format:openssh-key
key:(begins from next line)
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCehg0RkIeCPg94jpFM7hqQXYWD8BdVyewE3836SnSA2lKsiHKmo+dhzZg8u70eDaevOXvQNrumXdJUWN76gemO9JB1IfjNjECZqRXOFc3yHheQMWbimcLAT3W39/MjXja2Amjy539qjfJ5blknQUPi3InnGae0TDutXQN1UX6oU3y5JBZOoi1kQi8Jth34LpoS5qXs/+i7DFlhNA7YXNzAqTnksbXPA6G7Ww0+xFLLTaXUfbhQydM3rkCU7ABGEUlodhU6BKFMmDltXEC9Q7nCghETZdFgF3lVTOOM3Tsb+e890+OcW7Nf3CGR57LABX+FwxvW2jGNarhWP9oR/8T1 galaxy
ramdisk-id: not available
reservation-id: r-0f55ec655c1e51a0b
security-groups: lithium-prod-web
user-data: not available

ami-id: ami-2a34b64c

uname

[root@ip-10-5-32-70 ~]# uname -a
Linux ip-10-5-32-70.ap-northeast-1.compute.internal 4.9.62-10.57.amzn2.x86_64 #1 SMP Wed Dec 6 00:07:49 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

amzn2

systemd support

[root@ip-10-5-32-70 ~]# ps u -p 1
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.8  1.0 125280  5256 ?        Ss   04:28   0:01 /usr/lib/systemd/systemd --switched-root --system --deserialize 21

Python

記事にはこう書いてあります。

Additional software packages, including the newer versions of popular software packages such as Python, MariaDB, Node.js, are available for installation using the Amazon Linux Extras repository.

さぞ新しいバージョンが入っていることでしょう。

the newer versions

[root@ip-10-5-32-70 ~]# python --version
Python 2.7.5

これだから…