CentOS7 安装jdk、mysql

1、jdk安装

1.1. 查看可安装的jdk版本yum search jdk

1.2. 安装jdkyum -y install java-1.8.0-openjdk*

1.3. 查看jdk的版本：

rpm -qa | grep jdk

rpm -qa | grep gcj

1.4. 卸载：yum -y remove ....

2、mysql数据库安装

2.1. 依次执行下续命令

yum -y install wget

wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

rpm -ivh mysql-community-release-el7-5.noarch.rpm

yum install mysql

yum install mysql-server

yum install mysql-devel

2.2. 启动mysql服务：service mysqld start

2.3. 进入mysql：mysql -uroot -p

2.4. 运行mysql：use mysql;

2.5. 修改密码：update user set password=password("amigo") where user='root';

2.6. 强制刷新权限：flush privileges;

2.7. 关闭mysql：exit;

2.8. 重启mysql：service mysqld restart

3、tomcat安装

3.1. 下载linux下的tomcat：http://mirror.bit.edu.cn/apache/tomcat/
3.2. 解压tar -zxv -f apache-tomcat-8.0.47.tar.gz
3.3. tomcat重命名：mv apache-tomcat-8.0.47 tomcat.8.0

文章来源: https://blog.csdn.net/asdXT/article/details/91864394