How To Install switchsh on Ubuntu 18.04
Introduction
In this tutorial we learn how to install switchsh on Ubuntu 18.04.
What is switchsh
switchsh is:
Small program to bind-mount bash as /bin/sh for its child processes.
It can be used when bash is not the default shell interpreter but a given program makes use of bashisms (features not required by Policy for sh) and one wants to run it without changing (or can not change) the default sh.
There are three methods to install switchsh 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 switchsh Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install switchsh using apt-get by running the following command:
sudo apt-get -y install switchsh
Install switchsh Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install switchsh using apt by running the following command:
sudo apt -y install switchsh
Install switchsh 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 switchsh using aptitude by running the following command:
sudo aptitude -y install switchsh
How To Uninstall switchsh on Ubuntu 18.04
To uninstall only the switchsh package we can use the following command:
sudo apt-get remove switchsh
Uninstall switchsh And Its Dependencies
To uninstall switchsh and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove switchsh
Remove switchsh Configurations and Data
To remove switchsh configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge switchsh
Remove switchsh configuration, data, and all of its dependencies
We can use the following command to remove switchsh configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge switchsh
References
Summary
In this tutorial we learn how to install switchsh package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
