Convert p7b to cer¶

• Normally used when CA provided a signed certificate
• Generated certificate bundle contains signed certificate as well as rootCA and intermediate certs

  openssl pkcs7 -in certificate.p7b -print_certs > bundle.cer
  

Convert cert to pem file¶

openssl x509 -in certificate.crt -outform PEM -out certificate.pem

Extract private key from pfx¶

openssl pkcs12 -in yourfile.pfx -nocerts -nodes -out privateKey.key

Convert cer to crt¶

openssl x509 -in yourfile.cer -out yourfile.crt

Trust Root Store¶

RedHat Enterprise Linux¶

1. Copy the certificate files to /etc/pki/ca-trust/anchor/sources
2. Run command sudo update-ca-trust extract

Ubuntu Based Linux¶

1. Copy the certificate files to /etc/ssl/certs & /usr/local/share/ca-certificates
2. Run command sudo update-ca-certificates