Linux (Ubuntu, Debian)
Function Method
Add
Copy your CA to dir /usr/local/share/ca-certificates/
Use command: sudo cp foo.crt /usr/local/share/ca-certificates/foo.crt
Update the CA store: sudo update-ca-certificates
Remove
Remove your CA.
Update the CA store: sudo update-ca-certificates –fresh
Linux (CentOs 6)
Function Method
Add
Install the ca-certificates package: yum install ca-certificates
Enable the dynamic CA configuration feature: update-ca-trust force-enable
Add it as a new file to /etc/pki/ca-trust/source/anchors/: cp foo.crt /etc/pki/ca-trust/source/anchors/
Use command: update-ca-trust extract
Linux (Centos 5)
Add
Append your trusted certificate to file /etc/pki/tls/certs/ca-bundle.crt
cat foo.crt >>/etc/pki/tls/certs/ca-bundle.crt