After some problem with Docker and my dedicated server with a Debian (the provider give some OS image without some features needed by Docker, so I recompiled Linux kernel yesterday and activate the features needed, I followed some instruction in blog).
Now I was happy to have success with docker I tried to create image… and I have an error.
$ docker run -d -t -i phusion/baseimage /sbin/my_init -- bash -l Unable to find image 'phusion/baseimage:latest' locally Pulling repository phusion/baseimage 5a14c1498ff4: Download complete 511136ea3c5a: Download complete 53f858aaaf03: Download complete 837339b91538: Download complete 615c102e2290: Download complete b39b81afc8ca: Download complete 8254ff58b098: Download complete ec5f59360a64: Download complete 2ce4ac388730: Download complete 2eccda511755: Download complete Status: Downloaded newer image for phusion/baseimage:latest 0bd93f0053140645a930a3411972d8ea9a35385ac9fafd94012c9841562beea8 FATA[0039] Error response from daemon: Cannot start container 0bd93f0053140645a930a3411972d8ea9a35385ac9fafd94012c9841562beea8: [8] System error: write /sys/fs/cgroup/docker/0bd93f0053140645a930a3411972d8ea9a35385ac9fafd94012c9841562beea8/cgroup.procs: no space left on device
More informations :
$ docker info Containers: 3 Images: 12 Storage Driver: devicemapper Pool Name: docker-8:1-275423-pool Pool Blocksize: 65.54 kB Backing Filesystem: extfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 814.4 MB Data Space Total: 107.4 GB Data Space Available: 12.22 GB Metadata Space Used: 1.413 MB Metadata Space Total: 2.147 GB Metadata Space Available: 2.146 GB Udev Sync Supported: false Data loop file: /var/lib/docker/devicemapper/devicemapper/data Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.82-git (2013-10-04) Execution Driver: native-0.2 Kernel Version: 3.19.0-xxxx-std-ipv6-64 Operating System: Debian GNU/Linux 8 (jessie) CPUs: 4 Total Memory: 7.691 GiB Name: ns3289160.ip-5-135-180.eu ID: JK54:ZD2Q:F75Q:MBD6:7MPA:NGL6:75EP:MLAN:UYVU:QIPI:BTDP:YA2Z
System :
$ df -h Filesystem Size Used Avail Use% Mounted on udev 10M 0 10M 0% /dev tmpfs 788M 456K 788M 1% /run /dev/sda1 20G 7.8G 11G 43% / tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 1.7G 4.0K 1.7G 1% /dev/shm /dev/sda2 898G 11G 842G 2% /home
Edit: command du -sk /var
# du -sk /var 3927624 /var
Edit: command fdisk -l
# fdisk -l
Disk /dev/loop0:
100 GiB, 107374182400 bytes, 209715200 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 Disk /dev/loop1: 2 GiB, 2147483648 bytes, 4194304 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 Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: dos Disk identifier: 0x00060a5c Device Boot Start End Sectors Size Id Type /dev/sda1 * 4096 40962047 40957952 19.5G 83 Linux /dev/sda2 40962048 1952471039 1911508992 911.5G 83 Linux /dev/sda3 1952471040 1953517567 1046528 511M 82 Linux swap / Solaris Disk /dev/mapper/docker-8:1-275423-pool: 100 GiB, 107374182400 bytes, 209715200 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 65536 bytes / 65536 byte
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Answer
I installed docker via docker-lxc in the debian repos, I followed a tuto. I tried another solution (with success), I updated my source.list /etc/apt/source.list from jessie to sid, I removed docker-lxc with a purge and I installed docker.io.
The error changed. It was mkdir -p /sys/... can't create dir : access denied
So I find a comment in a blog and I tried the solution it was to comment this line previously added by the tutorial :
## file /etc/fstab # cgroup /sys/fs/cgroup cgroup defaults 0 0
and reboot the server.