Dell Edge Gateway 3003 Installation and Operation Manual

Additional Ubuntu commands

Basic commands

NOTE: For more information about Ubuntu commands, see https://snapcraft.io/.

Table 1. Basic commandsList of basic commands for the Ubuntu Core operating system
Action	Ubuntu Core 16
Viewing system attributes	#sudo snap version
Updating the image to the latest release	#sudo snap update
Viewing a list of all the snaps that are currently installed	#sudo snap find
Viewing a set and attribute to a snap	#sudo snap set <snap> <attribute>=<value>
Querying attributes from a snap	#sudo snap get <snap>
Rebooting the system	Run the command: admin@localhost:$ sudo reboot returns: System reboot successfully
Shutting down the system	Run the command: admin@localhost:$ sudo poweroff The system shuts down successfully.
Add a new user if libnss-extrausers is pre-installed	$sudo adduser --extrausers testuser
Change a user’s password	$sudo passwd <user-name>
Re-mount the Ubuntu Snappy 16 root-file system as read only	Snappy 16 rootfs is Read-Only
Accessing the built-in help	admin@localhost:~$ sudo snap --help
Listing the installed snaps	admin@localhost:~$ sudo snap list
Updating the system name	admin@localhost:$ network-manager.nmcli general hostname <NAME>
Changing the time zone	When the system arrives from the factory, the operating system is usually set to the UTC time zone. To change the time zone to your location, run the command: admin@localhost:~$ sudo timedatectl --help
Root-user credential	Run the command: admin@localhost:$ sudo su - Returns: $ admin@localhost:~# sudo su – $ root@localhost:~#
Identifying the System Service Tag	Run the command: admin@localhost:$ cat /sys/class/dmi/id/product_serial The system tag is printed.
Identifying the system vendor	Run the command: admin@localhost:$ cat /sys/class/dmi/id/board_vendor returns Dell Inc. The system tag is printed.