The Advanced Packaging Tool (APT) works on both Debian / Ubuntu Linux. It can handle the installation and removal of software including reinstalling packages to fix problems. You need use apt-get command as follows to forcefully reinstall package. This page shows to reinstall packages on an Ubuntu and Debian server or cloud based virtual machine.
apt-get force reinstall package
The syntax is:
apt-get --reinstall install PackageNameHere
apt-get --reinstall install Package1 Package2
The --reinstall option re-install packages that are already installed and at the newest version.
Pro tip: Backup all configuration files before reinstalling packages. For example, if you are reinstalling nginx web server package, backup /etc/nginx/ directory with the help of cp command as follows:
mkdir /root/nginx.mmddyyyy/ && cp -avr /etc/nginx/* /root/nginx.mmddyyy/
How to reinstall a package using apt-get
Let us see some example that shows how to reinstall package and its installed dependencies on a Debian or Ubuntu Linux. The following command will reinstall rsync package. Open a terminal application and then type:
$ sudo apt-get --reinstall install rsync
# apt-get --reinstall install rsync
If above method failed for you, try the following syntax. Make sure you backup config file before typing the following commands. Please note that the --purge option is identical to remove except that packages are removed and purged including any configuration files are deleted too.
sudo apt-get --purge remove package1 sudo apt-get install package1
Debian or Ubuntu reinstall package command
Type the following apt command or apt-get command to reinstall htop:
sudo apt --reinstall install htop
sudo apt-get --reinstall install htop
The apt-get is the command-line tool for handling packages. The apt command provides a high-level command-line interface for the package management system. It is intended as an end user interface. Both, apt command and apt-get accepts the --reinstall option for reinstalling packages to fix problems.
apt-get reinstall package and dependencies
One can use aptitude command too. The syntax is:
sudo aptitude reinstall pkg
sudo aptitude reinstall nginx
What if I want to reinstall ALL packages …
You need to use the aptitude command as follows:
sudo aptitude reinstall '~i'
You learned how to use the apt-get to force reinstall package on a Debian and Ubuntu Linux. For more information please apt-get man pager here:
- See man pages for more info – cp(1)