Users Guide

Returns
Name Date Version Developer
ubuntu-core 2015-10-13 7 ubuntu
bluez 2015-10-20 5.34-2 canonical*
network-namager 2015-10-20 0.2 canonical*
plano-uefi-fw-tools 2015-10-20 0.5 canonical*
webdm 2015-10-20 0.9.2
canonical*
plano-webdm 2015-10-20 1.7 canonical*
NOTE: Check if a newer version of the software is available. For more information on checking for updates, see Updating
operating system and applications.
Ubuntu Core OS basic functions
Basic Commands
NOTE: For more information about Ubuntu commands, see https://snapcraft.io/.
Table 2. Basic commands
Action Ubuntu Core 15 Ubuntu Core 16
Viewing system attributes
#sudo snappy info #sudo snap version
Updating the image to the latest Release
#sudo snappy update #sudo snap refresh
Viewing a list of all the snaps that are
currently installed
#sudo snappy search #sudo snap find
Viewing a list of service commands that
are available
#sudo snappy service help
N/A
Viewing a set an attribute to a snap N/A
#sudo snap set <snap>
<attribute>=<value>
Querying attributes from a snap N/A
#sudo snap get <snap>
Rebooting the system
#sudo reboot
Run the command:
admin@localhost:$ sudo reboot
returns:
System reboot successfully
Shutting down the system
#sudo poweroff
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
$sudo adduser --extrausers
testuser
Change a user’s password
$sudo passwd <user-name> $sudo passwd <user-name>
Disable or remove cloud-init service
$sudo mount –o remount,rw /
$sudo /usr/bin/apt-get
remove cloud-
init
N/A
Adjust grub conguration
$sudo mount –o remount,rw /
$sudo vi /boot/grub/grub.cfg
N/A
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