I am facing the same issue...curl -k -s -u "admin:**********" -F "certificate=@/DevOps/Main/config-files/certs/sso/sso-certs/_.esso-uat.********.cer" -F "alias=admin" https://*******************/libs/granite/security/content/truststore.json I get the response back... <html><head><title>Content modif...