22 lines
783 B
Plaintext
22 lines
783 B
Plaintext
# To create a 2048-bit private key:
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openssl genrsa -out server.key 2048
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# To create the Certificate Signing Request (CSR):
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openssl req -new -key server.key -out server.csr
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# To sign a certificate using a private key and CSR:
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openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
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# (The above commands may be run in sequence to generate a self-signed SSL certificate.)
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# To show certificate information for a certificate signing request
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openssl req -text -noout -in server.csr
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# To show certificate information for generated certificate
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openssl x509 -text -noout -in server.crt
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# To view certificate expiration:
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echo | openssl s_client -connect <hostname>:443 2> /dev/null | \
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awk '/-----BEGIN/,/END CERTIFICATE-----/' | \
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openssl x509 -noout -enddate
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