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MySQL5.7结合两篇文章阿里云服务器CentOS8.2安装MySQL5.7_多学习，多总结-优快云博客Mysql安装失败-GPG验证不通过_yaoyaozaiye的博客-优快云博客JDKLinux CentOS 8 安装与配置 JDK - 随风秋叶 - 博客园# set java environment JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.x86_64 PATH=$PATH:$JAVA_

JDK：https://www.cnblogs.com/ocean-sky/p/8392444.htmlTomcat：https://blog.youkuaiyun.com/qq_42570879/article/details/82862585

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https://blog.youkuaiyun.com/fenyuduanchangren/article/details/55261101https://blog.youkuaiyun.com/qq_32351227/article/details/77523751

阿里云服务器购买配置、环境部署、搭建网站教程https://blog.youkuaiyun.com/qq_38461232/article/details/81591800

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转载自：http://blog.51cto.com/10169618/2143042            https://blog.youkuaiyun.com/sikefeng/article/details/79597273 检测系统是否已安装 mysql [root@localhost ~]# yum list installed | grep mysql 删除系统已安装的 mysql 及其依赖...

1.启动Tomcat命令 ./startup.sh 2.停止Tomcat服务命令 ./shutdown.sh 3.重启的方式就有点多了： (1)./catalina restart (2)./shutdown.sh + ....

          1.查看tomcat的控制台:          进入tomcat/logs/文件夹下          键入指令：tail -f catalina.out 就可以查看控制台。         发现报错The web application [ROOT] appears to have started a thread named [Thread-5] but has fail...

1.centos7下安装tomcat8.02.阿里云centos7.3安装tomcat83. java搭建阿里云服务器环境（java环境+mysql+tomcat）和部署 JavaWeb 项目到云服务器（十分详细）4.JDK https://www.cnblogs.com/shihaiming/p/5809553.html...

卸载mariadb Linux彻底卸载Mysql centos默认安装了mariadb，因此，在安装mysql之前，需要卸载系统中安装的mariadb。 查看系统中所有已安装的mariadb包。命令：rpm -qa | grep mariadb 卸载mariadb。命令：rpm -e "mariadb的包名"。 若依赖包检测失败，可以使用强制...

完整的修改数据库密码的操作如下：1. vim /etc/my.cnf 加入skip-grant-tables2.重启mysql  systemctl restart mysqld3.终端输入mysql  直接登录到数据库  mysql>use mysql ; （不要去掉;）4.update mysql.user set authentication_string=password("你的密码...