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Install Root Certificate Synology

  1. SSH to your nas drive
  2. Upload your pem certificate
  3. sudo su –
  4. Backup first; cp /etc/ssl/certs/ca-certificates.crt /var/tmp/ca-certificates.crt.bak
  5. cat yourfile.pem >> /etc/ssl/certs/ca-certificates.crt



Note: This is not officially supported by synology. A future Update could restore the list of root-ca-certs to default and then you’d have to import the cert again.