| 知乎专栏 ｜ 多维度架构 |
已知 IP 172.17.0.66 我们希望知道那个容器在使用该 IP 地址。
$ docker network inspect 50ddb92f378e | grep -A2 -B4 '0\.66'
"b8f2b71e5715972c910f0876a89dbd9b7000d8fb77580206091e982b2119c47b": {
"Name": "nginx",
"EndpointID": "b7a3aea20619489def16f410c54ed5d857f8cd2062f2c66972f6341de8174ed8",
"MacAddress": "02:42:ac:11:00:42",
"IPv4Address": "172.17.0.66/16",
"IPv6Address": ""
},
查看出口IP地址
root@production:~# curl icanhazip.com root@production:~# curl -4 icanhazip.com root@production:~# curl -6 icanhazip.com root@production:~# curl api.ipify.org root@production:~# curl bot.whatismyipaddress.com
docker -v docker run ubuntu /bin/echo hello world docker stop $(docker ps -a -q) docker rm $(docker ps -a -q) docker rmi $(docker images -q)
failed to start daemon: Unable to get the TempDir under /var/lib/docker: mkdir /var/lib/docker/tmp: no space left on device
排查思路
Sep 08 11:09:28 homeassistant dockerd[2114]: time="2023-09-08T11:09:28.010100708+08:00" level=info msg="Starting up" Sep 08 11:09:28 homeassistant dockerd[2114]: time="2023-09-08T11:09:28.010549583+08:00" level=warning msg="Running experimental build" Sep 08 11:09:28 homeassistant dockerd[2114]: failed to start daemon: Unable to get the TempDir under /var/lib/docker: mkdir /var/lib/docker/tmp: no space left on device Sep 08 11:09:28 homeassistant systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE
确认磁盘剩余空间
root@homeassistant:~# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/root 14913852 9847068 4366996 70% / devtmpfs 931216 0 931216 0% /dev tmpfs 998896 0 998896 0% /dev/shm tmpfs 399560 5800 393760 2% /run tmpfs 5120 0 5120 0% /run/lock tmpfs 4096 0 4096 0% /sys/fs/cgroup tmpfs 998896 0 998896 0% /tmp /dev/zram1 49560 35356 10620 77% /var/log tmpfs 199776 0 199776 0% /run/user/0
root@homeassistant:~# cat /etc/fstab dev/mmcblk2p4 / ext4 defaults,noatime,commit=600,errors=remount-ro 0 1 tmpfs /tmp tmpfs defaults,nosuid 0 0
root@homeassistant:~# fdisk -l Disk /dev/mmcblk2: 14.56 GiB, 15634268160 bytes, 30535680 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: 0E6E0000-0000-4631-8000-1AEB00004F1C Device Start End Sectors Size Type /dev/mmcblk2p1 16384 24575 8192 4M unknown /dev/mmcblk2p2 24576 32767 8192 4M unknown /dev/mmcblk2p3 32768 98303 65536 32M unknown /dev/mmcblk2p4 98304 30535615 30437312 14.5G unknown Disk /dev/zram0: 975.49 MiB, 1022873600 bytes, 249725 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk /dev/zram1: 50 MiB, 52428800 bytes, 12800 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes