ZSCALER Information =================== To install as a root certificate on: CentOS ====== sudo cp ZscalerRootCertificate-2048-SHA256.crt /etc/pki/ca-trust/source/anchors sudo update-ca-trust extract That gets the ability to use firefox,wget, and to install docker-ce. Peppermint ========== sudo cp ZscalerRootCertificate-2048-SHA256.crt /usr/local/share/ca-certificates/ sudo update-ca-certificate That gets firefox and wget working.