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I use duplicity to backup the root in ubuntu:

sudo duplicity --no-encryption --exclude /proc / file:///Path_to_Backup_folder

I receive the following errors:

Error Operation not permitted getting delta for /sys/kernel/debug/tracing/events/...

Error Invalid argument getting delta for /sys/kernel/debug/tracing/free_buffer

Should I exclude \sys from the backup?

In general, which directories should be excluded when backup the root directory?

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  • @muru I just ran another backup using the options provided by this link. I wait to see if the back will finish successfully, and then answer your question.
    – Admia
    Oct 28, 2021 at 3:50
  • @muru, yes this link answered my question.
    – Admia
    Oct 28, 2021 at 5:38

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