How To Install libpcre2-posix0 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libpcre2-posix0 on Ubuntu 18.04.
What is libpcre2-posix0
libpcre2-posix0 is:
This is PCRE2, the new implementation of PCRE, a library of functions to support regular expressions whose syntax and semantics are as close as possible to those of the Perl 5 language. New projects should use this library in preference to the older library, confusingly called pcre3 in Debian.
This package contains the runtime library for the posix-compatible API.
There are three methods to install libpcre2-posix0 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 libpcre2-posix0 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libpcre2-posix0 using apt-get by running the following command:
sudo apt-get -y install libpcre2-posix0
Install libpcre2-posix0 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libpcre2-posix0 using apt by running the following command:
sudo apt -y install libpcre2-posix0
Install libpcre2-posix0 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 libpcre2-posix0 using aptitude by running the following command:
sudo aptitude -y install libpcre2-posix0
How To Uninstall libpcre2-posix0 on Ubuntu 18.04
To uninstall only the libpcre2-posix0 package we can use the following command:
sudo apt-get remove libpcre2-posix0
Uninstall libpcre2-posix0 And Its Dependencies
To uninstall libpcre2-posix0 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libpcre2-posix0
Remove libpcre2-posix0 Configurations and Data
To remove libpcre2-posix0 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libpcre2-posix0
Remove libpcre2-posix0 configuration, data, and all of its dependencies
We can use the following command to remove libpcre2-posix0 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libpcre2-posix0
References
Summary
In this tutorial we learn how to install libpcre2-posix0 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
