Ubuntu 22.04 LTS 下安装php并启动服务

执行命令：

# apt search php8.1
# apt install php8.1-fpm
# apt install php8.1

查看php安装成功：

# php-fpm8.1 -v
PHP 8.1.2-1ubuntu2.14 (fpm-fcgi) (built: Aug 18 2023 11:41:11)
Copyright (c) The PHP Group
Zend Engine v4.1.2, Copyright (c) Zend Technologies
    with Zend OPcache v8.1.2-1ubuntu2.14, Copyright (c), by Zend Technologies
    
# php8.1 -v
PHP 8.1.2-1ubuntu2.14 (cli) (built: Aug 18 2023 11:41:11) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.2, Copyright (c) Zend Technologies
    with Zend OPcache v8.1.2-1ubuntu2.14, Copyright (c), by Zend Technologies

建立测试文件

# mkdir /data
# cd /data
# touch info.php
# cat info.php

# php -S localhost:9000 -t /data
# curl -i localhost:9000/info.php
....(略)