Questions about Hetzner hosting Cloud?

Good day !

Want to move your website on the CMS Wordpress on the new hosting Hetzner Cloud, tell me the questions please I would be very grateful:

1) the Difference between Location - Nuremberg and Falkenstein DC3 DC8 ?
2) What is the Type of LOCAL STORAGE (NVME SSD) and NETWORK STORAGE (CEPH)
3) Additional features - User Data what is it ?
4) why the need For SSH key ?

Is there somewhere on the net a sensible manual in Russian on setting up Hetzner Coud, please share the link.

Thank you for your attention !
June 7th 19 at 14:33
2 answers
June 7th 19 at 14:35
1. The difference in the geographical location of the data center.
2. Obviously LOCAL STORAGE (NVME SSD) is a solid state disk at the server and NETWORK STORAGE (CEPH) is a network storage. The first significantly faster.
4. To connect to SSH with authentication key instead of password. Anticipating the question, "why not connect with password" because the password is "СуперХакер92" cracked much easier than the key RSA1024.
June 7th 19 at 14:37
1. Different data centers in different cities.
2, 3: https://wiki.hetzner.de/index.php/CloudServer/ru
4. Authentication key instead of password. Password - a very inconvenient method.
Password, just as convenient. - Jaqueline.Parisian commented on June 7th 19 at 14:40
than more convenient?
Passwords need to store or remember.
Even the password can only hold one person, and the keys can be assigned different. - otho.Mraz23 commented on June 7th 19 at 14:43
the key should not be stored? - Jaqueline.Parisian commented on June 7th 19 at 14:46
the key is only one. - otho.Mraz23 commented on June 7th 19 at 14:49

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