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Although the Synology is a superbe box (mainly because it allows us full control), there are some miss-habits. You'll probably find this page when it's to late, but hey.. maybe there is something you haven't walked into and it saves you a day...

ROOT fs will be wiped during DSM upgrade

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If you get the message "UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY", try: fsck.ext4 -yvf -C 0 /dev/vg1/volume_1

Reboot the server:

reboot

Debug ssmtp issues

just add parameter -d1 while executing

'cat emailheader emailbody | /usr/bin/ssmtp -d1 me@somewhere.com'