阿里云乌班图安装JDKMYSQLREDIS

一、JDK的安装和配置

1、下载

http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html

wget http://download.oracle.com/otn/java/jdk/7u80-b15/jdk-7u80-linux-x64.tar.gz?AuthParam=1464664563_6bb0f92085fc16c6d02a0e2281e06844

2、解压

mv jdk-7u80-linux-x64.tar.gz?AuthParam=1464664563_6bb0f92085fc16c6d02a0e2281e06844 jdk-7u80-linux-x64.tar.gz
sudo tar zxvf jdk-7u80-linux-x64.tar.gz -C /usr/lib/jvm

3、设置环境
sudo nano /etc/profile

#set java environment
export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_67
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

4、切换

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_80/bin/java 300
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_80/bin/javac 300

5、查看结果

java -version

二、MYSQL的安装和配置

1、下载

sudo apt-get install mysql-server

sudo apt-get install mysql-client

注意在安装mysql-server的时候要设置一下root的初始密码，并且二次确认。

三、安装redis

sudo apt-get install redis-server

查看进程端口

ps -aux | grep mysql

netstat -nlt | grep 3306