curl -vvI https://google.com 2>&1 | awk 'BEGIN { cert=0 } /^\* SSL connection/ { cert=1 } /^\*/ { if (cert) print }'ctrl + ccurlbase curl command | -vvIenables detailed info output |
https://google.comdomain to get SSL certificate of | 2>&1redirect errors to standard output |
awkmanipulate strings (extract and filter in our case) | SSL connectionfind this substring in curl output and show everything after that |
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