Centos安装MySql、Java、Tomcat

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一、安装MySql

安装MySql

yum install -y mysql-server mysql mysql-devel

启动MySql服务
```
service mysqld start
```

为root账号设置密码

/usr/bin/mysqladmin -u root password 'your password'

二、安装Java（这里安装的8）

下载JDK

wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u102-b14/jdk-8u102-linux-i586.rpm"

安装JDK
```
rpm -ivh jdk-8u102-linux-i586.rpm
```

设置环境变量

编辑java.sh文件
```
vim /etc/profile.d/java.sh
```

添加如下内容

#!/bin/bashJAVA_HOME=/usr/java/jdk1.8.0_102/PATH=$JAVA_HOME/bin:$PATHexport PATH JAVA_HOMEexport CLASSPATH=.

保存并退出，执行下面两个命令，搞定

chmod +x /etc/profile.d/java.shsource /etc/profile.d/java.sh

三、安装Tomcat（这里安装的9）

下载Tomcat

wget http://archive.apache.org/dist/tomcat/tomcat-9/v9.0.0.M17/bin/apache-tomcat-9.0.0.M17.tar.gz

传送门：tomcat官网

解压文件

tar -zxvf apache-tomcat-9.0.0.M17.tar.gz

将解压后的目录复制到usr/local/下并命名为tomcat9
```
cp -R apache-tomcat-9.0.0.M17 /usr/local/tomcat9
```
进入bin目录
```
cd /usr/local/tomcat9/bin
```

启动tomcat

./startup.sh

启动效果

Using CATALINA_BASE:   /usr/local/tomcat9Using CATALINA_HOME:   /usr/local/tomcat9Using CATALINA_TMPDIR: /usr/local/tomcat9/tempUsing JRE_HOME:        /usr/java/jdk1.8.0_102/Using CLASSPATH:       /usr/local/tomcat9/bin/bootstrap.jar:/usr/local/tomcat9/bin/tomcat-juli.jarTomcat started.

关闭tomcat
```
./shutdown.sh
```

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