Linux系统：Centos7下安装Jdk8、Tomcat8、MySQL5.7环境

概述本文源码： GitHub·点这里 || GitEE·点这里 一、JDK1.8 环境搭建 1、上传文件解压 [[email protected] mysoft]# tar -zxvf jdk-8u161-linux-x64.tar.gz[[email protected] mysoft]# pwd/usr/local/mysoft[[email protected] mysoft]# mv j 本文源码： GitHub·点这里 || GitEE·点这里

一、JDK1.8 环境搭建 1、上传文件解压

[[email protected] mysoft]# tar -zxvf jdk-8u161-linux-x64.tar.gz[[email protected] mysoft]# pwd/usr/local/mysoft[[email protected] mysoft]# mv jdk1.8.0_161 jdk1.8

2、检查环境，已经安装删除

[[email protected] mysoft]# ps -aux|grep java[[email protected] mysoft]# rpm -e --nodeps rpm -qa | grep java

3、配置环境变量

[[email protected] /]# vim /etc/profile# 文件末尾追加 下面内容 shit+g 跳到文件末尾# JAVA_HOMEexport JAVA_HOME=/usr/local/mysoft/jdk1.8export PATH=$PATH:$JAVA_HOME/bin

4、检测安装成功

[[email protected] /]# java -versionopenjdk version "1.8.0_161"OpenJDK Runtime Environment (build 1.8.0_161-b14)OpenJDK 64-Bit Server VM (build 25.161-b14,mixed mode)

二、TOMCAT8 安装 1、上传安装包

[[email protected] mysoft]# tar -zxvf apache-tomcat-8.5.40.tar.gz[[email protected] mysoft]# mv apache-tomcat-8.5.40 tomcat8.5

2、启动服务

[[email protected] bin]# pwd/usr/local/mysoft/tomcat8.5/bin[[email protected] bin]# ./startup.sh Tomcat started.

3、访问测试

http://127.0.0.1:8080/ OK了

三、MysqL5.7 安装 1、卸载原系统中的mariadb

[[email protected] /]# rpm -qa|grep mariadbmariadb-libs-5.5.56-2.el7.x86_64[[email protected] /]# rpm -e --nodeps mariadb-libs[[email protected] /]# rpm -qa|grep mariadb

2、获取官方地址

地址：https://dev.MysqL.com/downloads/repo/yum/https://dev.MysqL.com/get/MysqL80-community-release-el7-3.noarch.rpm

3、Yum源安装

wget https://dev.MysqL.com/get/MysqL80-community-release-el7-3.noarch.rpm[[email protected] /]# rpm -ivh MysqL80-community-release-el7-3.noarch.rpm[[email protected] /]# yum repoList all|grep MysqLMysqL57-community/x86_64 MysqL 5.7 Community Server DisabledMysqL80-community/x86_64 MysqL 8.0 Community Server enabled: 113MysqL80-community-source MysqL 8.0 Community Server - Disabled……..

yum源中默认启用的安装包版本为MysqL8.0，这里切换为5.7，执行以下命令；

[[email protected] /]# yum-config-manager --disable MysqL80-community[[email protected] /]# yum-config-manager --enable MysqL57-community

4、MysqL 安装启动

[[email protected] /]# yum install MysqL-community-server# 需要安装依赖提示，选择yTotal download size: 192 MInstalled size: 865 MIs this ok [y/d/N]: y

查看版本

[[email protected] /]# MysqL -VMysqL Ver 14.14 distrib 5.7.26,for linux (x86_64) using Editline wrapper

启动查看状态

[[email protected] /]# systemctl start MysqLd.service[[email protected] /]# systemctl status MysqLd.service     MysqLd.service - MysqL Server Loaded: loaded (/usr/lib/systemd/system/MysqLd.service; enabled; vendor preset: Disabled) Active: active (running) since Tue 2019-05-14 17:26:32 CST; 31s ago

为root账户生成临时密码

[[email protected] /]# grep ‘temporary password‘ /var/log/MysqLd.log2019-05-14T09:26:28.657250Z 1 [Note] A temporary password is generated for [email protected]: !Bh(GT.od9L;

设置root用户密码

# 这里防止出现密码策略，强度不够的问题MysqL> set global valIDate_password_policy=LOW;MysqL> alter user ‘root‘@‘localhost‘ IDentifIEd by ‘husky123456‘;

这样，Java的基础环境就搭建完毕了！

四、源代码地址

GitHub·地址https://github.com/cicadasmile/linux-system-baseGitEE·地址https://gitee.com/cicadasmile/linux-system-base

总结

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