我正在尝试在使用PHP版本5.6.*
的Ubuntu 16.04
中安装composer。
我使用了命令:curl -sS https://getcomposer.org/installer | php
。但是它给了我以下错误:
All settings correct for using Composer
Downloading...
The "https://getcomposer.org/versions" file could not be downloaded: failed to open stream: Connection refused
Retrying...
The "https://getcomposer.org/versions" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages:
error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed
Retrying...
The "https://getcomposer.org/versions" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error messages:
error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed
The download failed repeatedly, aborting.
我之前没有安装composer。