I work in the droplet (Ubuntu 16) very well and made some setting. after I finish all things. I made a snapshot of my droplet. what I want is to reuse this droplet for another project just change SSL certificate (let’s encrypt). How can I do it without harming the original certificate?
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You can take a snapshot of your Droplet, deploy a new one, remove all existing keys and certificates, then create another snapshot off of that. This way you have a preconfigured snapshot lacking any private files such as SSL keys.
Let’s Encrypt stores files in the following directories, so make sure any files in there are deleted:
/etc/letsencrypt/keys/etc/letsencrypt/archive/etc/letsencrypt/live
You might also want to look for configuration files in /etc/letsencrypt as well as any other subdirectories and see if you want to clear any of those too.
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