1.更换内核，执行下面指令
yum -y install wget
wget http://github.itzmx.com/1265578519/kernel/master/6.5/kernel-2.6.32-504.el6.x86_64.rpm -O kernel-2.6.32-504.el6.x86_64.rpm
rpm -ivh kernel-2.6.32-504.el6.x86_64.rpm --force
然后重启生效
centos7请尝试这个
http://ftp.scientificlinux.org/linux/scientific/7.1/x86_64/updates/security/kernel-3.10.0-229.1.2.el7.x86_64.rpm
2.安装锐速，使用V大脚本
wget --no-check-certificate -qO /tmp/appex.sh "https://raw.githubusercontent.com/0oVicero0/serverSpeeder_Install/master/appex.sh" && bash /tmp/appex.sh 'install'
