更换3.10.0-327.el7.x86_64内核
rpm -ivh http://soft.91yun.org/ISO/Linux/CentOS/kernel/kernel-3.10.0-229.1.2.el7.x86_64.rpm --force
grub2-set-default 'CentOS Linux (3.10.0-229.1.2.el7.x86_64) 7 (Core)'
grub2-editenv list
rpm -qa | grep kernel
uname -r
配置 ifconfig
yum install net-tools
部署serverspeed
