The manifest.json file in this directory will be used by chrome/chromium to identify which extensions are allowed to talk to the json_gssapi command line executable. This file must (1) be edited correctly, and (2) be placed in the correct location. Editing ------------------------------------- The file contains a path to locate the json_gssapi command. Edit the path to be correct for your system. Installing ------------------------------------- The file must be located in one of three places: global /etc/opt/chrome/native-messaging-hosts Personal: google-chrome ~/.config/google-chrome/NativeMessagingHosts chromium-browser ~/.config/chromium/NativeMessagingHosts