openssl: command to show certificate infos

Did you ever was on a server, but did not remember, what the certificate is for?

cheatsheets/openssl

@@ -7,6 +7,12 @@ openssl req -new -key server.key -out server.csr
 # To sign a certificate using a private key and CSR:
 openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
 
+# To show certificate information for a certificate signing request
+openssl req -text -noout -in server.csr
+
+# To show certificate information for generated certificate
+openssl x509 -text -noout -in server.crt 
+
 # (The above commands may be run in sequence to generate a self-signed SSL certificate.)
 
 # To view certificate expiration: