JDK安装

1 用securefxp传输jdk到/home
2 cd /home
3 cp jdk-8u181-linux-x64.tar.gz /usr/local/
4 cd /usr/local
5 tar xvfz jdk-8u181-linux-x64.tar.gz
6 mv jdk1.8.0_181/ jdk1.8
7 修改环境变量
vi /etc/profile
在末尾添加：
#set javaenvironment
export JAVA_HOME=/usr/local/jdk1.8
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

8让配置生效
source /etc/profile
9 验证
java -version

Mysql安装

https://blog.csdn.net/qq_20258573/article/details/91795867

1 更新源
wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

2
yum localinstall mysql57-community-release-el7-8.noarch.rpm 

3 安装MySQL
yum install mysql-community-server

6.启动MySQL服务

shell> systemctl start mysqld

7.开机启动

systemctl enable mysqld

systemctl daemon-reload

8.修改root本地登录密码

 1）查看mysql密码

grep "temporary password" /var/log/mysqld.log

2）连接mysql

shell> mysql -u root -p

3）修改密码[注意：后面的分号一定要跟上]

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';

或者：

mysql> set password for 'root'@'localhost'=password('MyNewPass4!');

Tomcat安装

(1) 用secureFx传输文件到 /root
(2) cd /usr/local/
(3) cp /root/apache-tomcat-8.5.46.tar.gz .
(4) tar xvfz apache-tomcat-8.5.46.tar.gz
(5)systemctl stop firewalld.service    关闭防火墙
firewall-cmd --state
(6) cd apache-tomcat-8.5.46/bin
(7) ./startup.sh   运行apache
ps -ef | grep "java"
netstat -an | grep "8080"
用浏览器访问：  http://192.168.2.131:8080/
(8)
cd /usr/local/apache-tomcat-8.5.46/webapps/ROOT
(9)
vi hello.htm  拷贝下列内容到hello.htm

<html>

<head>
  <title> welcome </title>
</head>

<body>
   hello world!
</body>
</html>

(10) 访问 http://xxxx/hello.htm

(11) 新开ssh窗口
(12) cd /usr/local/apache-tomcat-8.5.46/logs
tail -f localhost_access_log.2019-09-27.txt

centos安装tomcat+jdk+mysql

JDK安装

Mysql安装

Tomcat安装

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