Dell EMC Edge 3200 - Ubuntu 20.04 LTS Basic Functions; System Shutdown and Restart; Ubuntu OTA Update; List Installed Packages

Ubuntu 20.04 LTS basic functions
System shutdown and restart
Steps
1. Shutdown command:
$ sudo shutdown -h now
2. Reboot command:
$ sudo shutdown -r now
Ubuntu OTA update
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OTA update command:
$ sudo apt update
$ sudo apt upgrade
List installed packages
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List installed packages command:
$ apt list --installed
Update the system name
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Update system name command:
$ sudo nmcli general hostname <NAME>
Change the time zone
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Reference the time and date help information with the following command:
$ sudo timedatectl --help
Setting Up the Ubuntu Operating System
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