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问题：
使用docker安装一个应用，在用docker启动一个mysql容器时，发现在容器一直启不来，查看日志发现：
[root@localhost media]# docker start 10ffc7586d0c
10ffc7586d0c
[root@localhost media]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c633b6bc2d93 snipe/snipe-it "/startup.sh" 4 minutes ago Created 443/tcp, 0.0.0.0:8082->80/tcp snipe-it
10ffc7586d0c mysql:5.6 "docker-entrypoint..." 7 minutes ago Exited (1) 6 seconds ago snipe-mysql
[root@localhost media]# docker logs 10ffc7586d0c
2022-04-06 08:20:09-05:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
find: '/var/lib/mysql/': Permission denied
chown: changing ownership of '/var/lib/mysql/': Permission denied
2022-04-06 08:24:29-05:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
find: '/var/lib/mysql/': Permission denied
chown: changing ownership of '/var/lib/mysql/': Permission denied
2022-04-06 08:25:14-05:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
find: '/var/lib/mysql/': Permission denied
chown: changing ownership of '/var/lib/mysql/': Permission denied
2022-04-06 08:27:50-05:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.6.51-1debian9 started.
find: '/var/lib/mysql/': Permission denied
chown: changing ownership of '/var/lib/mysql/': Permission denied
分析：
错误中，出现permission denied，意思是没有权限，
解决：
赋予该容器权限，即docker 启动容器的时候添加 --privileged=true
[root@localhost media]# docker run \
> --name snipe-mysql \
> --privileged=true \
> -d \
> -e MYSQL_ROOT_PASSWORD="snipe" \
> -e MYSQL_DATABASE=snipe \
> -e MYSQL_USER=snipe \
> -e MYSQL_PASSWORD="snipe" \
> -e TZ=America/Chicago \
> -p 127.0.0.1:3306:3306 \
> -v /media/snipe-mysql:/var/lib/mysql \
> mysql:5.6 --sql-mode=""
Unable to find image 'mysql:5.6' locally
Trying to pull repository docker.io/library/mysql ...
5.6: Pulling from docker.io/library/mysql
35b2232c987e: Pull complete
fc55c00e48f2: Pull complete
0030405130e3: Pull complete
e1fef7f6a8d1: Pull complete
1c76272398bb: Pull complete
f57e698171b6: Pull complete
f5b825b269c0: Pull complete
dcb0af686073: Pull complete
27bbfeb886d1: Pull complete
6f70cc868145: Pull complete
1f6637f4600d: Pull complete
Digest: sha256:20575ecebe6216036d25dab5903808211f1e9ba63dc7825ac20cb975e34cfcae
Status: Downloaded newer image for docker.io/mysql:5.6
639526c3708bf038fa3a51af93c443614e7d0199bec30078e3dbe5b4a84d4a4c
[root@localhost media]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
639526c3708b mysql:5.6 "docker-entrypoint..." 6 seconds ago Up 5 seconds 127.0.0.1:3306->3306/tcp snipe-mysql
c633b6bc2d93 snipe/snipe-it "/startup.sh" 9 minutes ago Created 443/tcp, 0.0.0.0:8082->80/tcp snipe-it
[root@localhost media]# docker start 639526c3708b
639526c3708b
[root@localhost media]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
639526c3708b mysql:5.6 "docker-entrypoint..." 28 seconds ago Up 27 seconds 127.0.0.1:3306->3306/tcp snipe-mysql
[root@localhost media]#
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