摘要：
#WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. to fix this issue add 'vm.overcommit_memory = 1' to /etc/ 阅读全文
摘要：
在能联网的服务器上 1、安装yumdownloader yumdownloader是什么：yumdownloader is a program for downloading RPMs from Yum repositories 安装：yum install yum-utils -y 2、获取ans 阅读全文