一、一场意外：

想修改容器配置文件？按照网上的教程，进入/var/lib/docker，如下图：
屏幕快照 2020-01-03 下午8.40.21.png

惊不惊喜？意不意外？

二、肿么办？

1.找到vms路径：

➜  ~ ps -efa | grep -i -e docker |grep vms
  501 12064 12063   0  8:37下午 ??         0:00.03 com.docker.osxfs serve --address fd:3 --connect vms/0/connect --control fd:4 --log-destination asl
  501 12065 12063   0  8:37下午 ??         0:00.12 com.docker.vpnkit --ethernet fd:3 --diagnostics fd:4 --pcap fd:5 --vsock-path vms/0/connect --gateway-forwards /Users/wuzhibin/Library/Group Containers/group.com.docker/gateway_forwards.json --host-names host.docker.internal,docker.for.mac.host.internal,docker.for.mac.localhost --listen-backlog 32 --mtu 1500 --allowed-bind-addresses 0.0.0.0 --http /Users/wuzhibin/Library/Group Containers/group.com.docker/http_proxy.json --dhcp /Users/wuzhibin/Library/Group Containers/group.com.docker/dhcp.json --port-max-idle-time 300 --max-connections 2000 --gateway-ip 192.168.65.1 --host-ip 192.168.65.2 --lowest-ip 192.168.65.3 --highest-ip 192.168.65.254 --log-destination asl --udpv4-forwards 123:127.0.0.1:52448 --gc-compact-interval 1800
  501 12074 12067   0  8:37下午 ??         0:30.68 com.docker.hyperkit -A -u -F vms/0/hyperkit.pid -c 1 -m 1024M -s 0:0,hostbridge -s 31,lpc -s 1:0,virtio-vpnkit,path=vpnkit.eth.sock,uuid=1f73ee8e-30f5-4eca-bf06-7b9d652e4a02 -U b47f2d6c-de81-419f-b067-65c504841d17 -s 2:0,virtio-blk,/Users/wuzhibin/Library/Containers/com.docker.docker/Data/vms/0/data/Docker.raw -s 3,virtio-sock,guest_cid=3,path=vms/0,guest_forwards=2376;1525 -s 4,ahci-cd,/Applications/Docker.app/Contents/Resources/linuxkit/docker-desktop.iso -s 5,ahci-cd,vms/0/config.iso -s 6,ahci-cd,/Applications/Docker.app/Contents/Resources/linuxkit/docker.iso -s 7,virtio-rnd -l com1,autopty=vms/0/tty,asl -f bootrom,/Applications/Docker.app/Contents/Resources/uefi/UEFI.fd,,

看到没？在这里/Users/wuzhibin/Library/Containers/com.docker.docker/Data/vms
2.进入到这个路径

➜  ~ cd /Users/wuzhibin/Library/Containers/com.docker.docker/Data/vms
➜  vms ls
0

是不是和想象的不太一样？
3.进入到“0”这个目录

➜  vms cd 0
➜  0 ll
total 200
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 20:37 00000002.000005f4
srwxr-xr-x  1 wuzhibin  staff     0B  5 22 14:37 00000002.00001000
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 20:37 00000002.00001001
srwxr-xr-x  1 wuzhibin  staff     0B  5 22 14:37 00000002.00001002
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 16:56 00000002.00001003
srwxr-xr-x  1 wuzhibin  staff     0B  5 22 14:37 00000002.0000f3a4
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 20:37 00000003.000005f5
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 20:37 00000003.00000948
-rw-r--r--  1 wuzhibin  staff    90K  5 24 20:37 config.iso
srwxr-xr-x  1 wuzhibin  staff     0B  5 24 20:37 connect
drwxr-xr-x@ 3 wuzhibin  staff    96B  5 23 19:22 data
lrwxr-xr-x  1 wuzhibin  staff    17B  5 24 20:37 guest.000005f5 -> 00000003.000005f5
lrwxr-xr-x  1 wuzhibin  staff    17B  5 24 20:37 guest.00000948 -> 00000003.00000948
-rw-r--r--  1 wuzhibin  staff   2.3K  5 24 20:37 hyperkit.json
-rw-r--r--  1 wuzhibin  staff     5B  5 24 20:37 hyperkit.pid
srwxr-xr-x  1 wuzhibin  staff     0B  5 22 14:37 lifecycle-server.sock
drwxr-xr-x  2 wuzhibin  staff    64B  4 19 22:20 log
lrwxr-xr-x  1 wuzhibin  staff    12B  5 24 20:37 tty -> /dev/ttys000

4.看到tty这个设备没？对！用screen连他，再进入/var/lib/docker就可以了

➜  0 screen tty
docker-desktop:~# cd /var/lib/docker
docker-desktop:/var/lib/docker# ls
builder     containers  overlay2    swarm       volumes
buildkit    image       plugins     tmp
containerd  network     runtimes    trust
docker-desktop:/var/lib/docker#

号外：Ctrl+a+d退出screen

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