# 更新 CentOS 软件包
yum -y update

# 安装 OpenVPN 和 EasyRSA
yum -y install openvpn easy-rsa firewalld

# 如果未能成功安装 OpenVPN，则可能需要先安装一下 Epel 库
yum install epel-release -y

# 下载页面
https://spark.apache.org/downloads.html

# 下载地址
https://dlcdn.apache.org/spark/spark-3.4.1/spark-3.4.1-bin-hadoop3.tgz

# Spark Standalone Mode
https://spark.apache.org/docs/latest/spark-standalone.html

yum -y install libffi-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

wget --no-check-certificate   https://www.openssl.org/source/openssl-1.1.1t.tar.gz
tar -zxvf openssl-1.1.1t.tar.gz
cd openssl-1.1.1t/
./config --prefix=/usr/local/my_openssl
make
make install

mv /usr/bin/openssl /usr/bin/oldopenssl
ln -s /usr/local/my_openssl/bin/openssl /usr/bin/openssl
ln -s /usr/local/my_openssl/lib/libssl.so.1.1 /usr/lib64/
ln -s /usr/local/my_openssl/lib/libcrypto.so.1.1  /usr/lib64/

# 查看
[root@docker ~]# java -version
openjdk version "1.8.0_222"
OpenJDK Runtime Environment (build 1.8.0_222-b10)
OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode) 

# 卸载
rpm -qa | grep openjdk | xargs rpm -e --nodeps

# 确认
java -version