主机名（角色）IP地址zk-0110.10.1.10zk-0210.10.1.11zk-0310.10.1.12
必要条件
#关闭swap
swapoff #临时关闭
sed -i 's#^\/dev\/mapper\/centos-swap#\#\/dev\/mapper\/centos-swap#' /etc/fstab #永久关闭
#安装jdk
wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
tar -xf jdk-17_linux-x64_bin.tar.gz
mv j[......]