Docker: Error running DeviceCreate (createSnapDevice) dm_task_run failed

Reconfigure Docker instance running out of the space. Recreate data file up to 20GB. service docker stop rm -rf /var/lib/docker /etc/init.d/docker restart dd if=/dev/zero of=/var/lib/docker/devicemapper/devicemapper/data bs=1G count=0 seek=20

Spacewalk not responding – “Starting tomcat6: Error code 4”

In case you see “Starting tomcat6: Error code 4”, make sure you have some free space on the file system…

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