How to remove passphrase from a certificate already issued by a CA and active on the server?

Hello. Is there a way to remove the passphrase from a certificate considering it has already been issued and activated by a CA?

I mean, what happens now is that I’ve purchased a certificate with a CA from Namecheap and activate it, they issued me a few certificate files which I combined and properly set it up on my nginx server, however, every time I have to restart nginx I’m asked for the passphrase

What I don’t’ understand is that I’ve executed the command which removes the passphrase from the certificate before submitting its CSR to the CA…

Is there a way I can safely remove the passphrase from my certificate considering it was already issued by the CA and is active on my server? Thanks in advance.

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Thank you Andrew SB and gparent! <br> <br>The following command was the only one which worked out of the box for me: <br> <br>---- <br>sudo openssl rsa -in /path/to/ -out /path/to/ <br>---- <br> <br>Thank you gparent for the explanation regarding where the passphrase is stored. <br> <br>

Yeah, I wrote the command this way so that you could have the output file separate from your input file. <br> <br>Simply adjust the config appropriately to use the new, unencrypted key, or overwrite the encrypted key with the non-encrypted one.

@Adriano: You then either need to point to the new <code>/etc/nginx/ssl/</code> file in the Nginx configuration or move the password encrypted key out of the way and rename the decrypted file to <code>/etc/nginx/ssl/</code>