How to install Cato Certificate on Linux (Ubuntu)


Here are the steps to download, convert and install the Cato Networks SSL certificate on Ubuntu.

1. sudo mkdir /usr/local/share/ca-certificates/Cato
2. sudo chmod 755 /usr/local/share/ca-certificates/Cato
3. cd /usr/local/share/ca-certificates/Cato;sudo wget --no-check-certificate 'https://myvpn.catonetworks.com/public/certificates/CatoNetworksTrustedRootCA.pem' 
Note: #3 is a single line command with a single space between --no-check-certificate and the URL.
4. sudo openssl x509 -outform der -in CatoNetworksTrustedRootCA.pem -out CatonetworksTrustededRootCA.crt
5. sudo rm -f CatoNetworksTrustedRootCA.pem
6. sudo update-ca-certificates


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  • Comment author
    Doron Volkovich

    In Fedora Core / CentOS / RHEL (ver 7.0 and above the location for the *.pem/*.cer files is /etc/pki/ca-trust/source/anchors (the command to update the root CA is update-ca-trust there.

    The pre 7.0 RHEL location is /usr/local/share/ca-certificates.

    It could be also relevant for Scientific Linux / SLES (Suse Linux Enterprise Server) / OEL (Oracle Enterprise Linux) as they also belong to the RPM family.

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