How to install libnjb5 in ubuntu

To install libnjb5 at ubuntu Xenial Xerus execute the following commands on your pc terminal:

1. We execute this command to update the list of available packages and all their versions
sudo apt-get update
2. With this command we will proceed to install the package
sudo apt-get install libnjb5
3. To check if you have successfully installed the package, you can list all installed packages with the following command
dpkg -l libnjb5
In case of an error, we recommend you to execute the following command to clean the cache and repeat the installation from step number 1
sudo apt-get clean

How to uninstall libnjb5 in ubuntu

When it comes to uninstalling a package, we have 3 different ways to do it:

1. Uninstall the package only libnjb5
sudo apt-get remove libnjb5
2. Uninstall the package libnjb5 and its dependencies
sudo apt-get autoremove libnjb5
3. Clean the registry (purge) from the package
sudo apt-get purge libnjb5
4. Execute all the previous steps in a single command
sudo apt-get autoremove --purge libnjb5

To check that the package libnjb5 has been completely uninstalled, we can execute the following command
dpkg -l libnjb5
After running this series of commands, we should have completely removed the package libnjb5

Package Information

DistroUbuntu 16.04 (Xenial Xerus)
SectionUniverse
Package namelibnjb5
Version2.2.7~dfsg0-4build1
Sub sectionlibs
Official websitelibnjb.sourceforge.net/
ResponsibleUbuntu Developers

Information about the commands used

This is a brief explanation of the function of the commands used in the installation and uninstallation package libnjb5:
  • apt get update: this command does not install any packages or any dependencies on them. it simply updates the list of available packages and the updates available to them.
  • apt get install libnjb5: the command apt-get install checks the dependencies of the package we want to install, downloads the package, verifies it and then passes the execution to the dpkg command to install it.
  • dpkg l libnjb5: with this command we list all the packages installed on our computer. by including the name of the package at the end of the command, we can filter for results that contain only that string.
  • sudo apt get clean: this command deletes all packages that are in the computer's cache. that is, the packages that were downloaded but never installed or the dependencies that were left in the cache after a new package was installed.
  • sudo apt get remove libnjb5: this command deletes a package installed on our computer but keeps all the configuration files of the package. this is done so that if we want to reinstall the same package on a photo, the settings we would have made are preserved.
  • sudo apt get autoremove libnjb5: this command deletes orphaned or unused packages and dependencies that remain installed after an application has been installed and then removed.
  • sudo apt get purge libnjb5: we use this command to not only remove the package, but also to remove all the configuration files and their properties. we use this command to completely remove a package from the system.
  • sudo apt get autoremove purg libnjb5e: we use this command to completely remove a package and all configuration files from it. this is the best way to completely remove a package from your computer.