How To Install nvram-wakeup on Ubuntu 18.04
Introduction
In this tutorial we learn how to install nvram-wakeup on Ubuntu 18.04.
What is nvram-wakeup
nvram-wakeup is:
nvram-wakeup can read and write the wake up time in the BIOS (via /dev/nvram on recent 2.4.x kernels or direct I/O port access). On this wake up time the computer will be powered on automatically from the soft-off state. For the video disc recorder VDR, nvram-wakeup installs a hook script, that allows VDR to set a wake up time, when it powers down.
There are three methods to install nvram-wakeup on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install nvram-wakeup Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install nvram-wakeup using apt-get by running the following command:
sudo apt-get -y install nvram-wakeup
Install nvram-wakeup Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install nvram-wakeup using apt by running the following command:
sudo apt -y install nvram-wakeup
Install nvram-wakeup Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install nvram-wakeup using aptitude by running the following command:
sudo aptitude -y install nvram-wakeup
How To Uninstall nvram-wakeup on Ubuntu 18.04
To uninstall only the nvram-wakeup package we can use the following command:
sudo apt-get remove nvram-wakeup
Uninstall nvram-wakeup And Its Dependencies
To uninstall nvram-wakeup and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove nvram-wakeup
Remove nvram-wakeup Configurations and Data
To remove nvram-wakeup configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge nvram-wakeup
Remove nvram-wakeup configuration, data, and all of its dependencies
We can use the following command to remove nvram-wakeup configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nvram-wakeup
References
Summary
In this tutorial we learn how to install nvram-wakeup package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
