玄月沐影的博客

yum -y install java-1.8.0-openjdk* 进入/usr/lib/jvm/目录下查看java-1.8.0-openjdk-1.8.0.275.b01-0.el7_9.x86_64 在配置文件中添加 vi /etc/profile export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.275.b01-0.el7_9.x86_64 export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar.

1.下载Repo wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm 2.安装repo yum -y install mysql57-community-release-el7-10.noarch.rpm 3.开始安装MySQL服务器。 yum -y install mysql-community-server 4.启动mysql服务 systemctl start mysq