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1、下载安装包wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz(注意，此地址因为maven网站的镜像地址会变动，所以下载的时候出现下图404别慌，去官网http://maven.apache.org/download.cg...

查看现有[root@lch software]# docker ps -a删除[root@lch software]# docker rm -f e7bf15dfb241 d313d836f552再次查看

查看有多少mysql资源[root@lch software]# docker search mysql选择5.7下载,并配置用户名密码，并设置为开机启动容器[root@lch software]# docker run --restart=always --name mysql-1 -p 3306:3306 -e MYSQL\_ROOT\_PASSWORD=root -d ...

编辑[root@lch software]# vi /etc/sysconfig/network-scripts/ifcfg-ens33TYPE="Ethernet"PROXY_METHOD="none"BROWSER_ONLY="no"BOOTPROTO="none"DEFROUTE="yes"IPV4_FAILURE_FATAL="no"IPV6INIT="y...

新建安装脚本[root@lch software]# vi dockerIntall.sh#!/bin/bash# remove old versionsudo yum remove docker \ docker-client \ docker-client-latest \ ...

安装lz[root@lch docker-jar]# yum install -y lrzszrz 上传lz 下载

yum下载fedora的epel仓库（不然找不到安装源）[root@lch ~]# yum install epel-releaseyum安装redis[root@lch ~]# yum install redis启动redis服务[root@lch ~]# service redis start停止redis服务[root@lch ~]# servic...

Access denied for user 'root'@'192.168.1.148' (using password: YES)是因为没有正确的开放mysql远程权限mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;mysql> FLUS...

先看看系统有没有安装jdk[root@lch software]# rpm -qa |grep java如果有，则需要先卸载[root@lch software]# rpm -qa | grep java | xargs rpm -e --nodeps检索yum中有没有1.8的相关安装包[root@lch software]# yum list java-1.8*开始...

停止firewall[root@lch software]# systemctl stop firewalld.service禁止firewall开机启动[root@lch software]# systemctl disable firewalld.service

使用firewall模式查看root@lch software]# firewall-cmd --get-active-zones开放3306端口[root@lch software]# firewall-cmd --zone=public --add-port=3306/tcp --permanent重启防火墙[root@lch software]# fir...

mysql> show database;ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database' at line 1...

安装wget 远程安装命令 sudo yum -y install wget报错信息：已加载插件：fastestmirrorLoading mirror speeds from cached hostfileCould not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64...

卸载mariadb 因为7以上的centos自带mariadb，所以我们先要卸载它 查看是否已安装：rpm -qa | grep -i mariadb 卸载：rpm -qa | grep mariadb | xargs rpm -e --nodeps 然后再次输入查看命令，则不再显示，说明卸载成功下载mys...