lsb_release -aaddon mode, the distro disabled automated Ubuntu update mechanisms for the OS. This allows you to control how and when your REMnux system attempts to initiate network connections, and avoids issues when REMnux on an isolated network.remnux upgrade command is the way to get the latest REMnux software in most cases. However, even if if the command above tells you, "No upgrades available," you can still refresh your current tools. The following command will make sure that you're running the latest versions of the installed Debian packages and Python modules, without adding adding any new tools to your system:upgrade option updates all the tools and adds new ones that might have been incorporated into the REMnux distro. The update command is a subset, and updates your existing Debian packages and Python modules.remnux command, first make sure that you're running the command as a regular, non-root user. Also, try rebooting your system and trying the operation again.grep -i -C 5 'result: false' or grep -i -B 8 'result: false').