Linux系统:centos7下安装Jdk8、Tomcat8、MySQL5.7环境
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Linux系统:centos7下安装Jdk8、Tomcat8、MySQL5.7环境
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一、JDK1.8 環境搭建
1、上傳文件解壓
[root@localhost mysoft]# tar -zxvf jdk-8u161-linux-x64.tar.gz [root@localhost mysoft]# pwd /usr/local/mysoft [root@localhost mysoft]# mv jdk1.8.0_161 jdk1.8?2、檢查環境,已經安裝刪除
[root@localhost mysoft]# ps -aux|grep java [root@localhost mysoft]# rpm -e --nodeps rpm -qa | grep java3、配置環境變量
[root@localhost /]# vim /etc/profile # 文件末尾追加 下面內容? shit+g 跳到文件末尾 # JAVA_HOME export JAVA_HOME=/usr/local/mysoft/jdk1.8 export PATH=$PATH:$JAVA_HOME/bin4、檢測安裝成功
[root@localhost /]# java -version openjdk 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 安裝
1、上傳安裝包
[root@localhost mysoft]# tar -zxvf apache-tomcat-8.5.40.tar.gz [root@localhost mysoft]# mv apache-tomcat-8.5.40 tomcat8.52、啟動服務
[root@localhost bin]# pwd /usr/local/mysoft/tomcat8.5/bin [root@localhost bin]# ./startup.sh Tomcat started.3、訪問測試
http://127.0.0.1:8080/? OK了三、MySQL5.7 安裝
1、卸載原系統中的mariadb
[root@localhost /]# rpm -qa|grep mariadb mariadb-libs-5.5.56-2.el7.x86_64 [root@localhost /]# rpm -e --nodeps mariadb-libs [root@localhost /]# rpm -qa|grep mariadb [root@localhost /]#2、獲取官方地址
地址:https://dev.mysql.com/downloads/repo/yum/
https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
3、Yum源安裝
wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm [root@localhost /]# rpm -ivh mysql80-community-release-el7-3.noarch.rpm [root@localhost /]# yum repolist all|grep mysql mysql57-community/x86_64?????????? MySQL 5.7 Community Server??? disabled mysql80-community/x86_64?????????? MySQL 8.0 Community Server??? enabled:??? 113 mysql80-community-source?????????? MySQL 8.0 Community Server -? disabled ……..yum源中默認啟用的安裝包版本為MySQL8.0,這里切換為5.7,執行以下命令;
[root@localhost /]# yum-config-manager --disable mysql80-community [root@localhost /]# yum-config-manager --enable mysql57-community4、MySQL 安裝啟動
[root@localhost /]# yum install mysql-community-server 需要安裝依賴提示,選擇y Total download size: 192 M Installed size: 865 M Is this ok [y/d/N]: y查看版本
[root@localhost /]# mysql -V mysql? Ver 14.14 Distrib 5.7.26, for Linux (x86_64) using? EditLine wrapper啟動查看狀態
[root@localhost /]# systemctl start mysqld.service [root@localhost /]# systemctl status mysqld.service mysqld.service - MySQL ServerLoaded: 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為root賬戶生成臨時密碼(!Bh(GT.od9L;)
[root@localhost /]# grep 'temporary password' /var/log/mysqld.log 2019-05-14T09:26:28.657250Z 1 [Note] A temporary password is generated for root@localhost:!Bh(GT.od9L;設置root用戶密碼
# 這里防止出現密碼策略,強度不夠的問題 mysql> set global validate_password_policy=LOW; mysql> alter user 'root'@'localhost' identified by 'husky123456';這樣就完成了。
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