Get Certificate information using OpenSSL (Linux Command):

This is useful if you want to know about things what organization the cert belongs to, the create and expire dates and such.
Command: openssl x509 -in CA_LIST.cer -text -noout

Sources:

https://linuxhandbook.com/check-certificate-openssl/
https://www.herongyang.com/Cryptography/Certificate-Format-OpenSSL-View-in-DER-and-PEM.html
Date: August 29th 2025

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