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  • docker下mysql环境安装

    服务器是centos7,因为yum不是最新的docker源所以需要更新源地址

    yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager  --add-repo --添加依赖源
    https://download.docker.com/linux/centos/docker-ce.repo

    安装docker

    yum-config-manager  --add-repo https://download.docker.com/linux/centos/docker-ce.repo
    yum-config-manager --enable docker-ce-nightly
    yum-config-manager --enable docker-ce-test
    yum-config-manager --disable docker-ce-nightly
    yum install docker-ce docker-ce-cli containerd.io

    失败可以设置阿里云镜像

    cat >>/etc/yum.repos.d/docker.repo<<EOF
    [docker-ce-edge]
    name=Docker CE Edge - $basearch
    baseurl=https://mirrors.aliyun.com/docker-ce/linux/centos/7/$basearch/edge
    enabled=1
    gpgcheck=1
    gpgkey=https://mirrors.aliyun.com/docker-ce/linux/centos/gpg
    EOF
    

    查看是否安装成功

    [root@mini ~]# docker -v
    Docker version 19.03.8, build afacb8b
    

    查找mysql

    [root@mini ~]# docker search mysql
    NAME                              DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
    mysql                             MySQL is a widely used, open-source relation…   9440                [OK]                
    mariadb                           MariaDB is a community-developed fork of MyS…   3401                [OK]                
    mysql/mysql-server                Optimized MySQL Server Docker images. Create…   691                                     [OK]
    centos/mysql-57-centos7           MySQL 5.7 SQL database server                   75                                      
    mysql/mysql-cluster               Experimental MySQL Cluster Docker images. Cr…   67                                      
    centurylink/mysql                 Image containing mysql. Optimized to be link…   61                                      [OK]
    deitch/mysql-backup               REPLACED! Please use http://hub.docker.com/r…   41                                      [OK]
    bitnami/mysql                     Bitnami MySQL Docker Image                      39                                      [OK]
    tutum/mysql                       Base docker image to run a MySQL database se…   34                                      
    schickling/mysql-backup-s3        Backup MySQL to S3 (supports periodic backup…   29                                      [OK]
    prom/mysqld-exporter                                                              27                                      [OK]
    linuxserver/mysql                 A Mysql container, brought to you by LinuxSe…   25                                      
    centos/mysql-56-centos7           MySQL 5.6 SQL database server                   19                                      
    circleci/mysql                    MySQL is a widely used, open-source relation…   19                                      
    databack/mysql-backup             Back up mysql databases to... anywhere!         17                                      
    mysql/mysql-router                MySQL Router provides transparent routing be…   15                                      
    arey/mysql-client                 Run a MySQL client from a docker container      14                                      [OK]
    openshift/mysql-55-centos7        DEPRECATED: A Centos7 based MySQL v5.5 image…   6                                       
    fradelg/mysql-cron-backup         MySQL/MariaDB database backup using cron tas…   6                                       [OK]
    genschsa/mysql-employees          MySQL Employee Sample Database                  5                                       [OK]
    devilbox/mysql                    Retagged MySQL, MariaDB and PerconaDB offici…   3                                       
    ansibleplaybookbundle/mysql-apb   An APB which deploys RHSCL MySQL                2                                       [OK]
    jelastic/mysql                    An image of the MySQL database server mainta…   1                                       
    widdpim/mysql-client              Dockerized MySQL Client (5.7) including Curl…   0                                       [OK]
    monasca/mysql-init                A minimal decoupled init container for mysql    0                                       
    

    直接选择第一个或者第二个都可以

    docker pull mysql

    运行

    docker run --name mysqlserver -e MYSQL_ROOT_PASSWORD=123456 -d -i -p 3306:3306  mysql

    连接进入mysql

    mysql -h 127.0.0.1 -u root -p 
    Enter password: 
    ERROR 2059 (HY000): Authentication plugin 'caching_sha2_password' cannot be loaded: 
    /usr/lib64/mysql/plugin/caching_sha2_password.so: cannot open shared object file: 
    No such file or directory

    出现上述错误主要因为密码加密不一样,解析错误,需要进入mysql内部修改密码

    docker exec -it  8f265a91d27c  /bin/bash
    root@8f265a91d27c:/# mysql -h 127.0.0.1 -u root -p 

    查看信息

    select host,user,plugin,authentication_string from mysql.user;
    mysql> select host,user,plugin,authentication_string from mysql.user;
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    | host      | user             | plugin                | authentication_string                                                  |
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    | %         | root             | caching_sha2_password | $A$005$fa[!E}6[YCNBmDujd1CsqF.wjiaqkfgE96QDHORhA9xnq4KCi.F15P7N96/ |
    | localhost | mysql.infoschema | mysql_native_password | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE                              |
    | localhost | mysql.session    | mysql_native_password | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE                              |
    | localhost | mysql.sys        | mysql_native_password | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE                              |
    | localhost | root             | caching_sha2_password | $A$005$hmWiN:3vHe*7#XW5VdLebKWFz0wXcgejQLkzRKCvhD2Y05BXGAlB4co9B |
    +-----------+------------------+-----------------------+------------------------------------------------------------------------+
    备注:host为 % 表示不限制ip  localhost表示本机使用    plugin非mysql_native_password 则需要修改密码

    修改密码任意并刷新

    ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'mysql';
    更新user为root,host为% 的密码为123456
    
    查询配置信息,字符编码
    SHOW VARIABLES WHERE VALUE LIKE '%/%'
    SHOW VARIABLES LIKE '%char%'
    配置引擎信息
    SHOW ENGINES;

    此时重新连接就可以了

    附录,docker运行可能遇到的错误

    常见docker错误
    1,Docker报错 WARNING: IPv4 forwarding is disabled. Networking will not work.
        vim  /usr/lib/sysctl.d/00-system.conf
        添加如下代码:
        net.ipv4.ip_forward=1
        重启network服务
        systemctl restart network
    2,Docker:删除images报错(Error response from daemon: conflict: unable to remove repository reference)
        Docker无法删除images,由于是依赖container。 
        1.进入root权限
        sudo su
        2.停止所有的container,这样才能够删除其中的images:
            docker stop $(docker ps -a -q)
        如果想要删除所有container的话再加一个指令:
            docker rm $(docker ps -a -q)
        3.查看当前有些什么images
            docker images
        4.删除images,通过image的id来指定删除谁
            docker rmi
        想要删除untagged images,也就是那些id为的image的话可以用
        docker rmi  $(docker images | grep "^<none>" | awk "{print $3}")
        要删除全部image的话
            docker rmi $(docker images -q)

    *******************************************************************************************************************************

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    *******************************************************************************************************************************

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  • 原文地址:https://www.cnblogs.com/zqq1234/p/12838948.html
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