关闭selinux、防火墙、修改时间

cat > /etc/sysconfig/selinux << EOF
SELINUX=disabled
SELINUXTYPE=targeted
EOF
sestatus
systemctl stop firewalld
systemctl disable firewalld
reboot
# 如果时间不对
# 换时区
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
# 测试
date
# 如果时间不对
yum install ntpdate -y
# 同步时间
ntpdate time.windows.com