jflyoo/Manage-TrustedCertificates.md

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Certificates

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Manage-TrustedCertificates.md

Gather SSL/TLS certificate

OpenSSL

url="www.example.com"
openssl s_client -connect ${url}:443 </dev/null | openssl x509 -outform PEM > ${url}.pem

Add certificate to trusted store

Ubuntu

pem_path='/home/user/'
pem_filename='somecert.pem'
sudo cp ${pem_path}/${pem_filename} /usr/share/ca-certificates
#Add the filename to /etc/ca-certificates.conf; there are various ways to do this in a script
sudo update-ca-certificates

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