yuminstallwgetyum-yinstallwget删除ssh信息ssh-keygen-R'服务器IP'mysql5.7//输入自己的下载数据文件无需创建cd/home/data//下载mysql5.7安装源wgethttps://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm//安装mysql5.7安装源yum-ylocalinstallmysql57-community-release-el7-11.noarch.rpm//在线安装mysql（下载较多，耐心等待）yum-yinstallmysql-community-server//启动mysqlsystemctlstartmysqld//设置开机启动systemctlenablemysqldsystemctldaemon-reload//修改root登录密码（在文件中找到默认密码root@localhost:后面的随机字符串）vim/var/log/mysqld.log//使用此密码登录rootmysql-uroot-p//输入上面得到的密码，在ALTERUSER'root'@'localhost'IDENTIFIEDBY'newpassword'之后正确登录;//设置为允许远程登录GRANTALLPRIVILEGESON*.*TO'root'@'%'IDENTIFIEDBY'newpassword'WITHGRANTOPTION;//launchmysqlexit//restartmyqslsystemctlrestartmysqld###如果服务器是CentOS7，将MySQL服务添加到防火墙，并允许远程连接报错2003。执行以下命令sudofirewall-cmd--zone=public--permanent--add-service=mysql//返回成功。然后继续执行sudosystemctlrestartfirewalldyuminstallredis//installyuminstallredis###如果redis不可用，执行以下命令**yuminstallepel-release**//startsystemctlstartredis.service//setbootsystemctlenableredis.serviceyuminstallnginx//安装nginx使用yum安装Nginx时，Nginx的配置文件在/etc/nginx目录下。yum-yinstallnginx//卸载nginxyumremovenginx//添加nginx源（安装出错执行此命令）#rpm-ivhhttp://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm//设置启动systemctlenablenginx//启动服务servicenginxstart//停止服务servicenginxstop//重启服务servicenginxrestart//重新加载配置服务nginxreloadyum安装nodejs###安装sudoyuminstall-ynodejs###卸载yumremovenodejsnpm-y###安装nodejsmanagernpminstall-gn###安装最新版本nlatest###安装指定版本n8.11.3###切换到指定版本n###切换失败###查看安装位置$whichnode/usr/local/bin/node#例如###打开变量文件vim~/.bash_profile###添加到最后exportN_PREFIX=/usr/local#节点实际安装位??置exportPATH=$N_PREFIX/bin:$PATH###执行生效source~/.bash_profile###endingyarnbuilderrornpmconfigsetscripts-prepend-节点路径真
