SSL intermediate.crt root.pem missing

Hi admin,

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I'd like to install HTTP2 for my new site, I received 2 files from Comodo PositiveSSL Certificate in zip file
The file names are:

Code:

domainname_com.ca-bundle
domainname_com.crt

so I really do not know how to create ssl-unified.crt as your construction. It seems Comodo changed to files number, in the past, they sent files look like:

Code:

AddTrustExternalCARoot.crt
COMODORSAAddTrustCA.crt
COMODORSADomainValidationSecureServerCA.crt
mydomain_com.crt

Anyone has same problem?

======UPDATE=====
Got solution from namecheap knowledgebase: Namecheap.com Knowledgebase • What is CA bundle?
(Installation)
so the commands should be (as I guess):

Code:

cat domain_com.crt domain_com.ca-bundle > ssl-unified.crt
cat domain_com.ca-bundle > ssl-trusted.crt