Learn from the blogger docker container , So for docker
pull Where is the downloaded image ? Is there a question ? therefore , Blogger, this is a brief introduction docker Mirror storage location for .

<> Blogger's dockert Version is :

[root@admin //]# docker -v
Docker version 1.13.1, build dded712/1.13.1

1: get into docker catalogue :

[root@admin //]# cd var/lib/docker/
[root@admin docker]# ll
Total consumption 12
drwx------. 6 root root 4096 8 month 20 14:24 containers
drwx------. 3 root root 22 8 month 19 23:28 image
drwxr-x—. 3 root root 19 8 month 19 23:28 network
drwx------. 23 root root 4096 8 month 20 15:39 overlay2
drwx------. 4 root root 32 8 month 19 23:28 plugins
drwx------. 2 root root 6 8 month 19 23:28 swarm
drwx------. 2 root root 6 8 month 20 00:34 tmp
drwx------. 2 root root 6 8 month 19 23:28 trust
drwx------. 6 root root 4096 8 month 20 14:24 volumes

2: get into containers, Each serial number , Is a mirror image , as follows :

[root@admin docker]# cd containers
[root@admin containers]# ll
Total consumption 0
drwx------. 5 root root 168 8 month 20 15:42
4ff70d0815af7333d238dfc3a763c538bd7da30becfc2263de666b43eedb5a31
drwx------. 3 root root 126 8 month 20 15:39
629ea6e4693aa457097699aba11a6d19d785cb20dc3ef973cfbec0eea52f7770
drwx------. 5 root root 168 8 month 20 15:39
69baf33f60a06764f63472b50aad9315dafd5f5913458c3f6b42cb0245a36546
drwx------. 5 root root 168 8 month 20 15:56
8c6cea5dae6e5f0c891f6d9acd4ff57c6ed40152983e7d0f0893a858c8119846
[root@admin containers]#

3: Enter one of the images , The discovery directory structure is as follows , This is the content of the image , as follows :

[root@admin containers]# cd
8c6cea5dae6e5f0c891f6d9acd4ff57c6ed40152983e7d0f0893a858c8119846
[root@admin
8c6cea5dae6e5f0c891f6d9acd4ff57c6ed40152983e7d0f0893a858c8119846]# ll
Total consumption 24
drwx------. 2 root root 6 8 month 20 01:22 checkpoints
-rw-r–r--. 1 root root 3184 8 month 20 15:56 config.v2.json
-rw-r–r--. 1 root root 1167 8 month 20 15:56 hostconfig.json
-rw-r–r--. 1 root root 13 8 month 20 15:56 hostname
-rw-r–r--. 1 root root 174 8 month 20 15:56 hosts
-rw-r–r--. 1 root root 73 8 month 20 15:56 resolv.conf
-rw-r–r--. 1 root root 71 8 month 20 15:56 resolv.conf.hash
drwxr-xr-x. 2 root root 6 8 month 20 15:56 secrets
drwxrwxrwt. 2 root root 40 8 month 20 15:56 shm
[root@admin 8c6cea5dae6e5f0c891f6d9acd4ff57c6ed40152983e7d0f0893a858c8119846]#

4. stay docker Directory , get into image Folder for , find repositories.json File for , Some information about the image is recorded in detail : Enter as follows :

[root@admin docker]# cd image
[root@admin image]# ll
Total consumption 0
drwx------. 5 root root 81 8 month 20 00:34 overlay2
[root@admin image]# cd overlay2
[root@admin overlay2]# ll
Total consumption 4
drwx------. 4 root root 58 8 month 19 23:56 distribution
drwx------. 4 root root 37 8 month 19 23:28 imagedb
drwx------. 5 root root 45 8 month 20 00:45 layerdb
-rw-------. 1 root root 301 8 month 20 00:34 repositories.json
[root@admin overlay2]# cat repositories.json

{“Repositories”:{“docker.io/mysql”:{“docker.io/mysql:latest”:“sha256:29e0ae3b69b9031ab7d7fd3024057b9441d74c8244e583cfb48697109148ca71”,“docker.io/mysql@sha256:d39a8ab7679df309e7eff6ddba434ad5747cc2a2acee2d7c60d8221c9acedcad”:“sha256:29e0ae3b69b9031ab7d7fd3024057b9441d74c8244e583cfb48697109148ca71”}}}[root@admin
overlay2]#

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