安装过程中,若出现 W: GPG error: http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C 错误,可使用 sudo apt-key adv --keyserv...
1、在低内存虚拟主机上运行composer install偶发『The following exception is caused by a lack of memory and not having swap configured』错误 {代码...} {代码...} 2、偶发composer install或composer update命令长时间不动 {代码...}