前置信息

宿主机信息

[root@localhost ~]# cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"[root@localhost ~]#

docker 信息

[root@localhost ~]# docker info
Containers: 0Running: 0Paused: 0Stopped: 0
Images: 1
Server Version: 1.13.1
Storage Driver: overlay2Backing Filesystem: xfsSupports d_type: trueNative Overlay Diff: true
Logging Driver: journald
Cgroup Driver: systemd
Plugins:Volume: localNetwork: bridge host macvlan null overlay
Swarm: inactive
Runtimes: runc docker-runc
Default Runtime: docker-runc
Init Binary: /usr/libexec/docker/docker-init-current
containerd version:  (expected: aa8187dbd3b7ad67d8e5e3a15115d3eef43a7ed1)
runc version: 8891bca22c049cd2dcf13ba2438c0bac8d7f3343 (expected: 9df8b306d01f59d3a8029be411de015b7304dd8f)
init version: fec3683b971d9c3ef73f284f176672c44b448662 (expected: 949e6facb77383876aeff8a6944dde66b3089574)
Security Options:seccompWARNING: You're not using the default seccomp profileProfile: /etc/docker/seccomp.json
Kernel Version: 3.10.0-1160.105.1.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
Number of Docker Hooks: 3
CPUs: 2
Total Memory: 1.274 GiB
Name: localhost.localdomain
ID: X7RT:J5M4:DPEV:56FX:2ZDW:D2VU:HCUJ:YAR7:O5CP:UQ35:KQ2K:FXL4
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:127.0.0.0/8
Registry Mirrors:https://hub.uuuadc.tophttps://docker.anyhub.us.kghttps://dockerhub.jobcher.comhttps://docker.ckyl.mehttps://docker.awsl9527.cnhttps://ustc-edu-cn.mirror.aliyuncs.com/https://ccr.ccs.tencentyun.com/https://2a6bf1988cb6428c877f723ec7530dbc.mirror.swr.myhuaweicloud.comhttps://hub-mirror.c.163.comhttps://your_preferred_mirrorhttps://dockerhub.icuhttps://docker.registry.cyouhttps://docker-cf.registry.cyouhttps://dockercf.jsdelivr.fyihttps://docker.jsdelivr.fyihttps://dockertest.jsdelivr.fyihttps://mirror.aliyuncs.comhttps://dockerproxy.comhttps://mirror.baidubce.comhttps://docker.m.daocloud.iohttps://docker.nju.edu.cnhttps://docker.mirrors.sjtug.sjtu.edu.cnhttps://docker.mirrors.ustc.edu.cnhttps://mirror.iscas.ac.cnhttps://docker.rainbond.cc
Live Restore Enabled: false
Registries: docker.io (secure)
[root@localhost ~]#

ubuntu 镜像信息

[root@localhost ~]# docker history docker.io/ubuntu
IMAGE               CREATED             CREATED BY                                      SIZE                COMMENT
df5de72bdb3b        2 years ago         /bin/sh -c #(nop)  CMD ["bash"]                 0 B
<missing>           2 years ago         /bin/sh -c #(nop) ADD file:396eeb65c8d7371...   77.8 MB
[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED