Site migration question

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My domain is:

I ran this command: certbot --version

It produced this output:
Old Server: 1.11.0
New Server: 1.22.0

My web server is (include version):
Old server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.3.33
New server: Apache/2.4.41 (Ubuntu)

The operating system my web server runs on is (include version):
Old server: CentOS Linux release 7.9.2009 (Core)
New server: Ubuntu 20.04

My hosting provider, if applicable, is: 1&1 (

I can login to a root shell on my machine (yes or no, or I don't know): yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
Old Server: 1.11.0
New Server: 1.22.0

I have installed certbot on the new server, when I compare the contents of /etc/letsencrypt I see several folders that only exist on the old server (where certs were created and are operational).

What do I need to copy from /etc/letsencrypt for the new server?
Should I update my older server to 1.22?
How do I update certbot so it stays current?

I would copy the entire folder [making sure to keep the symlinks as they are]

If you still intend on using certbot, yes, it should always be kept up-to-date.

Normally, it should try to do so automatically.
But that can depend on how it was installed [apt, snapd].
I would review it a couple of times a year to be sure all is well with it.


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