4. For example, set the wake-up event for 60 seconds:
(root)# echo +60 > /sys/class/rtc/rtc0/wakealarm
5. For example, place the Edge Gateway in suspend mode:
(root)# systemctl suspend
If successful, the RTC will wake up the Edge Gateway in 60 seconds.
Configuring system wake-up from low-power states (S3/S4/S5)—LAN
1. Enable Wake on LAN in the BIOS program. For more information on accessing the BIOS program, see Accessing BIOS
settings. Alternatively, use Dell Command | Configure.
# sudo /opt/dell/dcc/cctk --wakeonlan=enable
2. Enable Wake on LAN in nmcli (enabled by default).
# nmcli c show “Wired connection 1” | grep wake
802-3-ethernet.wake-on-lan: magic
# nmcli c show “Wired connection 2” | grep wake
802-3-ethernet.wake-on-lan: magic
3. Make sure the ethernet connection is up and running with the assigned IP address.
4. Perform sleep.
# sudo systemctl sleep
Or, perform hibernation.
# sudo systemctl hibernate
5. Use another system to wake from LAN (Supported tools: wakeonlan and etherwake).
# sudo wakeonlan MAC
# sudo etherwake MAC
Ubuntu Network Manager
Network-Manager is a native Ubuntu Server connection manager. The application can be used to configure the Edge Gateway
so that it is automatically-detected and connected to the network. The application can be used to configure multiple network
devices.
A command-line utility nmcli is included with Network-Manager to support non-graphical user interface configurations.
NOTE: For more information about Network-Manager, see wiki.archlinux.org/index.php/NetworkManager.
Connecting through WWAN
NOTE:
For more information on configuring and connecting through WWAN, see docs.ubuntu.com/core/en/stacks/
network/network-manager/docs/configure-cellular-connections.
1. Check if a modem is present and identify the modem index number.
# sudo mmcli –L
2. Check the modem status and identify the primary port.
# sudo mmcli -m<0>
NOTE:
<0> refers to the modem index number. Replace <0> with the modem index number after running the command
at step 1.
74 Setting up the operating system
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