CentOS安装项目环境（java、tomcat、mysql）

centos安装环境软件

一／安装idk

1. rpm -qa | grep java 查询内置到jdk

2. rpm -e —nodes jdk相关名称

3. 到官网下载jdk.rpm

4. 通过winscp上传idk到centos

5. rpm -ivh idk 安装idk包

6. java -version 查看idk是否安装成功

7. vi /etc/profile 添加JAVA_HOME和更新PATH

8. export JAVA_HOME=/usr/java/default

9. export PATH=$PATH:$JAVA_HOME/bin

10. source /etc/profile 重新加载环境变量

二／安装tomcat

1. 到tomcat官网下载tomcat.tar.gz

2. winscp 拷贝压缩包到centos

3. tar -zxvf tomcat.tar.gz /usr/local/

4. cd /usr/local

5. mv tomcat_XX tomcat

6. cd tomcat/bin

7. ./startup.sh

8. netstat -ntl 查看8080是否启动监听（yum install net-tools）

9. ./shutdown.sh

三／安装mysql

1. yum list installed | grep 查看是否自带mysql

2. yum -y remove mysql-* 删除mysql相关的包

3. yum install wget

4. 到mysql官网查看yum的repository，获取最新的rpm地址

5. wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

6. rpm -Uvh mysql57-community-release-el7-11.noarch.rpm

7. yum list | grep mysql

8. yum install mysql-commnutiy-server

9. grep “password” /var/log/mysqld.log 查看临时密码

10. mysql -u root -p临时密码  #登陆

11. SET PASSWORD = PASSOWRD(“xxx”); #设置密码

  root远程访问设置方法一：

1. GRANT ALL PRIVILEGES ON *.* TO ‘root@%’ IDENTIFIED BY ‘密码’ WITH GRANT OPTION;

2. flush privileges;

  root远程访问设置方法二：

1. use mysql;

2. UPDATE user SET host = ‘%’ where user = ‘root’;

3. flush privileges;

四／mysql配置

1. lower_case_table_name=1 #表名称大小写不敏感

2. skip-name-resolve #阻止mysql对ip进行反向查找

五／centos防火墙

systemctl stop firewalld.service

systemctl start firewalld.service

systemctl disable firewalls.service

六、selinux

[root@dev-server ~]# getenforce

[root@dev-server ~]# /usr/sbin/sestatus -v

setenforce 0 临时关闭

vi /etc/selinux/config 永久关闭

将SELINUX=enforcing改为SELINUX=disabled