On 28/09/2022 16:40, Joe Patterson wrote:
The general form of what you want to do is:

openssl x509 -in file.crt -noout -text | grep 'Not After'


An easier way; this checks if the certificate expires within the next 30 days:

  $ openssl x509 -noout -checkend $((30*24*3600)) -in file.crt || echo "NEED 
RENEWAL"


--
kind regards,

David Sommerseth
OpenVPN Inc


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