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

• 查看是否成功开启：

  $ php -m | grep swoole
  swoole

  laravelS 待续