On Wed, Sep 22, 2021 at 9:27 AM <krave1986...@gmail.com> wrote: > > Now that the operation of flush can be done automatically when you switch > from Storage=volatile to #Storage=volatile, why do we still need journalctl > --flush? >
To switch from volatile storage to persistent storage on boot as explained in the man page. On boot /var may not be available initially, so journald starts with /run and flush copies logs from /run to /var and switches to persistent storage.
