warning: every year need re-issue certificate
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install new certificate on node.js
1. where to find private key?
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1.1 cPanel > SSL > PRIVATE KEYS generate, view, upload or delete your private keys
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1.2 so many private key, which one is the new one I just installed?
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1.3 find the new certificate ID, then you will know which private key should use. Each certficate include private key and public key pair
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1.4 based on certificate ID, I know this private key is what I am looking for
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1.5 copy private key, paste and replace it in node.js app
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1.6 node.js , update private key by paste here
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2. where is my public certificate
2.1 Cpanel > SSL > CRT
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2.2
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2.3 copy public certificate (key)
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2.4 paste in node.js app
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2.5 upload node.js to server, done. New certificate is showing
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