**
安装redis
**
（1）安装mysql
apt-get update
apt-get install mysql-server
（2）设置mysql
service mysql stop
vim /etc/mysql/mysql.conf.d/mysqld.cnf
bind-address = 0.0.0.0
service mysql start
（3)查看用户名和密码
sudo cat /etc/mysql/debian.cnf
使用账户和密码登录：
mysql –h 127.0.0.1 –u debian-sys-maint –p
(4) 创建新用户并且授权
use mysql
mysql> create user ‘root’@’%’ identified by ‘123456’;
mysql> grant all privileges on . to ‘root’@’%’;
mysql> ALTER USER ‘root’@’%’ IDENTIFIED WITH mysql_native_password BY ‘123456’;
mysql> flush privileges;
(5）查看用户及权限
mysql> use mysql;
mysql> select host, user, authentication_string, plugin from user;
**
安装jdk
**
1、官网下载 jdk
2、解压 ： tar xzvf jdk-8u11-linux-x64.tar.gz
3、修改配置文件 ：vim /etc/profile
export JAVA_HOME=/root/data/jdk1.8.0_11
export JRE_HOME=
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{ JAVA_HOME }
JAVAHOME/jre
export CLASSPATH=.:
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{ JAVA_HOME }
JAVAHOME/lib:
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{JRE_HOME}
JREHOME/lib
export PATH=.:
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/
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:
{JAVA_HOME}/bin:
JAVAHOME/bin:PATH
4、使配置文件生效： source /etc/profile
5、查询是否安装成功：java -version
