Homestead 安装 swoole

安装 swoole

root 用户
```
$ pecl install swoole
```

报错

No releases available for package "pecl.php.net/swoole"

更新 pecl
```
$ pecl channel-update pecl.php.net
```

查看openssl

$ php -r "print_r(openssl_get_cert_locations());"
  [default_cert_file] => /usr/lib/ssl/cert.pem
  [default_cert_file_env] => SSL_CERT_FILE
  [default_cert_dir] => /usr/lib/ssl/certs
  [default_cert_dir_env] => SSL_CERT_DIR
  [default_private_dir] => /usr/lib/ssl/private
  [default_default_cert_area] => /usr/lib/ssl
  [ini_cafile] =>
  [ini_capath] =>

安装证书

$ wget -c https://curl.haxx.se/ca/cacert.pem  /usr/local/openssl/cert.pem --no-check-certificate

swoole 安装成功

Build process completed successfully
Installing '/usr/include/php/20180731/ext/swoole/config.h'
Installing '/usr/lib/php/20180731/swoole.so'
install ok: channel://pecl.php.net/swoole-4.4.13
configuration option "php_ini" is not set to php.ini location
You should add "extension=swoole.so" to php.ini

开启swoole扩展

$ echo 'extension=swoole.so' >> /etc/php/7.3/mods-available/swoole.ini
$  ln -s /etc/php/7.3/mods-available/swoole.ini /etc/php/7.3/cli/conf.d/20-swoole.ini