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Remove unnecessary services from the host OS.


#1

Hi.

What packages will you recommend removing from Debian 9 to strengthen the system from penetration from the outside?

How to completely disable (remove) time synchronization on Debian 9? I tried but all in vain. Time continues to synchronize.

Ok. I found solution:

sudo systemctl stop systemd-timesyncd && sudo systemctl disable systemd-timesyncd


#2

Documented here:

Which is linked to from here: