$ amazon-linux-extras
...
 33  java-openjdk11           available    [ =11  =stable ]
 34  lynis                    available    [ =stable ]
 35  kernel-ng                available    [ =stable ]
 36  BCC                      available    [ =0.x  =stable ]
 37  mono                     available    [ =5.x  =stable ]
 38  nginx1                   available    [ =stable ]
...
 42  php7.4=latest            enabled      [ =stable ]
...

$ amazon-linux-extras info php7.4
php7.4 recommends php-cli                    # yum install php-cli
php7.4 recommends php-pdo                    # yum install php-pdo
php7.4 recommends php-fpm                    # yum install php-fpm
php7.4 recommends php-json                   # yum install php-json
php7.4 recommends php-mysqlnd                # yum install php-mysqlnd

$ sudo amazon-linux-extras install トピック名

$ sudo amazon-linux-extras install php7.4

$ sudo amazon-linux-extras disable トピック名

[ErrorException]                                   
proc_open(): fork failed - Cannot allocate memory 

$ sudo dd if=/dev/zero of=/swapfile bs=1M count=2048
$ sudo /sbin/mkswap /var/swap.1
$ sudo /sbin/swapon /var/swap.1

$ brew install jq

aws ec2 describe-instances | jq -c '.[][].Instances[]
         | [.InstanceId,[.Tags[] | select(.Key == "Name").Value][], .InstanceType]'

["i-0cxxxxxx","Linux2","t2.micro"]
["i-01xxxxxx","cloud9-sample","t2.micro"]

aws ec2 describe-instances \
         | jq -r \
         '.[][].Instances[] 
         | [.InstanceId,
         [.Tags[] | select(.Key == "Name").Value][],
         .InstanceType]
         | @tsv' \
         | column -t

i-0cxxxxxx  Linux2         t2.micro
i-01xxxxxx  cloud9-sample  t2.micro

$ aws ecr create-repository --repository-name php

$ aws configure --profile ecr
AWS Access Key ID [None]: AIM アカウント ID
AWS Secret Access Key [None]: AIM シークレットキー
Default region name [None]: ap-northeast-1
Default output format [None]: 

$ vi .bash_profile

export AWS_REGION=ap-northeast-1

$ source .bash_profile
$ echo $AWS_REGION
ap-northeast-1

FROM amazonlinux:2

SHELL ["/bin/bash", "-c"]

ARG PROJECT_DIR="projects"
WORKDIR $PROJECT_DIR

CMD ["/bin/bash"]

$ aws ecr get-login-password --region ${AWS_REGION} | docker login --username AWS --password-stdin xxxxxx

$ docker build -t linux2 .

$ docker tag linux2:latest 517704528142.dkr.ecr.ap-northeast-1.amazonaws.com/linux2:latest

$ docker push xxxx.amazonaws.com/linux2:latest

$ aws ecr describe-repositories --region ${AWS_REGION}
{
    "repository": {
        "registryId": "xxxxxxxxxxxx",
        "repositoryName": "linux2",
        "repositoryArn": "arn:aws:ecr:ap-northeast-1:xxxxxxxxxxxx:repository/linux2",
            "createdAt": 1585197107.0,
            "imageTagMutability": "MUTABLE",
            "imageScanningConfiguration": {
                "scanOnPush": true
            }
    }
}

$ aws ecr describe-repositories --query 'repositories[].repositoryName'

$ aws ecr list-images --repository-name linux2 --region=${AWS_REGION}

$ aws ecr batch-delete-image --repository-name linux2 --image-ids imageTag=v2.0

$ curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
$ unzip awscli-bundle.zip
$ sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

$ sudo /usr/local/bin/python3.7 awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

$ aws --version
aws-cli/1.18.27 Python/3.7.4 Darwin/18.7.0 botocore/1.15.27

$ brew install openssl
$ pyenv install 3.7.0$ pip install --upgrade pip
$ curl -O https://bootstrap.pypa.io/get-pip.py
$ python3 get-pip.py --user
$ pip3 install awscli --upgrade --user

$ aws configure アクセスキー: シークレットキー: リージョン: ap-northeast-1 output format:
$ aws ec2 create-key-pair --key-name キー
$ aws ec2 create-key-pair --key-name キー --query 'KeyMaterial' --output text > キー .pem
$ aws ec2 describe-key-pairs --key-name キー

# yum update -y

# yum -y install httpd

# systemctl start httpd

# systemctl enable httpd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/httpd.service to /usr/lib/systemd/system/httpd.service.

# systemctl is-enabled httpd

# usermod -a -G apache ec2-user

# chown -R ec2-user:apache /var/www
# chmod 2775 /var/www && find /var/www -type d -exec chmod 2775 {} ;
# find /var/www -type f -exec chmod 0664 {} ;

$ groups ec2-user

# amazon-linux-extras list
.....
# amazon-linux-extras info php7.3

# amazon-linux-extras install php7.3

$ curl -sS https://getcomposer.org/installer | php
All settings correct for using Composer Downloading... 
Composer (version 1.9.0) successfully installed to: /home/vagrant/composer.phar
Use it: php composer.phar

$ sudo mv bin/composer /usr/local/bin/composer

$ composer init

$ composer install
Loading composer repositories with package information Updating dependencies (including require-dev) Nothing to install or update Generating autoload files

# amazon-linux-extras install postgresql10

# yum install -y postgresql-server postgresql-devel postgresql-contrib

# systemctl start postgresql # postgresql-setup initdb

# systemctl enable postgresql.service

# su - postgres
$ psql -l
could not change directory to "/home/ec2-user": Permission denied List of databases 
 .....