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docker入門學習(二)mysql安裝

exec password 工具 出了 mysql8 .com cal 遠程連接 加密

一、下載mysql鏡像

    docker pull mysql

二、啟動mysql無效

  

[root@localhost ~]# docker run --name mysql01 -d mysql
42f09819908bb72dd99ae19e792e0a5d03c48638421fa64cce5f8ba0f40f5846

mysql退出了
[root@localhost ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                           PORTS               NAMES
42f09819908b        mysql               "docker-entrypoint.sh"   34 seconds ago      Exited (1) 33 seconds ago                            mysql01
538bde63e500        tomcat              "catalina.sh run"        About an hour ago   Exited (143) About an hour ago                       compassionate_
goldstine
c4f1ac60b3fc        tomcat              "catalina.sh run"        About an hour ago   Exited (143) About an hour ago                       lonely_fermi
81ec743a5271        tomcat              "catalina.sh run"        About an hour ago   Exited (143) About an hour ago                       sick_ramanujan


//錯誤日誌
[root@localhost ~]# docker logs 42f09819908b
error: database is uninitialized and password option is not specified 
  You need to specify one of MYSQL_ROOT_PASSWORD, MYSQL_ALLOW_EMPTY_PASSWORD and MYSQL_RANDOM_ROOT_PASSWORD;這個三個參數必須指定一個

三、正確的啟動

[root@localhost ~]# docker run --name mysql01 -e MYSQL_ROOT_PASSWORD=123456 -d mysql
b874c56bec49fb43024b3805ab51e9097da779f2f572c22c695305dedd684c5f
[root@localhost ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS               NAMES
b874c56bec49        mysql               "docker-entrypoint.sh"   4 seconds ago       Up 3 seconds        3306/tcp            mysql01

四、做端口映射啟動

[root@localhost ~]# docker run -p 3306:3306 --name mysql02 -e MYSQL_ROOT_PASSWORD=123456 -d mysql
ad10e4bc5c6a0f61cbad43898de71d366117d120e39db651844c0e73863b9434
[root@localhost ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
ad10e4bc5c6a        mysql               "docker-entrypoint.sh"   4 seconds ago       Up 2 seconds        0.0.0.0:3306->3306/tcp   mysql02

五、常見問題

一般端口映射之後就可以遠程訪問了,但是有一些是無法遠程連接數據庫的

技術分享圖片

原因:
mysql8 之前的版本中加密規則是mysql_native_password,但是在mysql8之後,加密規則是caching_sha2_password,

所以 連接數據庫工具 低版本不支持了,要麽升級 連接數據庫工具,要麽把用戶密碼登錄的加密規則還原成mysql_native_password這種加密方式

步驟:

首先進入docker中的mysql容器
// ec9d0d788590是mysql容器的id,docker ps -a 查看正在運行的容器信息
[root@localhost]# docker exec -it ec9d0d788590bash

進去容器後,進行mysql登入,登入成功後,執行以下兩條命令更改加密規則
ALTER USER ‘root‘@‘%‘ IDENTIFIED WITH mysql_native_password BY ‘你的密碼‘;
ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘你的密碼‘;

連接成功

技術分享圖片

  

docker入門學習(二)mysql安裝