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Last active July 1, 2021 22:23
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Clean up the big size logs in /var folder
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remove_log_in_var.md

Clean up the big size logs in /var folder

When I compiled tdesktop through docker, I met an error of "out of space". After I spent some time I found it was because the docker wrote a lot of logs in /var folder.

To clean up the logs, you can follow these steps:

  • Find the big size files in /var/lib/docker.

    find /var/lib/docker -size +10M
or
find /var/lib/docker -size +100M

  • The files in /var handled by syslogd or any other similiar one. So you need to do this instead of removing the file.

    cat /dev/null > found_big_size_file

To make it automatic, you can do this:
find /var/lib/docker -size +10M | xargs -I % sh -c 'cat /dev/null > "%"'

References

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