Install mpich-bin on Ubuntu: sudo apt-get install mpich-bin

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Quick installation of mpich-bin:

Step 1: Update system:

	sudo apt-get update

Step 2: Install: mpich-bin

Ater updaing the OS run following command to install the packae:

	sudo apt-get install mpich-bin

Package Details
Package:	mpich-bin
Version:	1.2.7-10ubuntu1
Maintainer:	Ubuntu Developers
Home page:	http://www-unix.mcs.anl.gov/mpi/mpich1/
Description:	MPI parallel computing system implementation MPICH is a robust and flexible implementation of the MPI (Message Passing Interface). MPI is often used with parallel or distributed computing projects. MPICH is a multi-platform, configurable system (development, execution, libraries, etc) for MPI. It can achieve parallelism using networked machines or using multitasking on a single machine. . This version is compiled with ch_p4 support, which only requires installation on the master node, and starts up parallel tasks using rsh. Homepage: http://www-unix.mcs.anl.gov/mpi/mpich1/
Distro:	Ubuntu 12.04 LTS
Release:
Repo/Section:	universe/devel

How to install mpich-bin on Ubuntu 12.04 LTS?

First of all update your system with the command:

sudo apt-get update

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Above command will download the package lists for Ubuntu 12.04 LTS on your system. This will update the list of newest versions of packages and its dependencies on your system.

After downloading the latest package list with the help of above you can run the installation process.

If mpich-bin is not installed on your compter then the command 'dpkg -L mpich-bin' will give followin error.

deepak@deepak-VirtualBox:~$ dpkg -L mpich-bin
Package `mpich-bin' is not installed.
Use dpkg --info (= dpkg-deb --info) to examine archive files,
and dpkg --contents (= dpkg-deb --contents) to list their contents.
deepak@deepak-VirtualBox:~$

Installing mpich-bin:

After system update use the following command to install mpich-bin:

sudo apt-get install mpich-bin

Above command will confirm before installing the package on your Ubuntu 12.04 LTS Operating System. If you are not already logged in as su, installer will ask you the root password. After completion of the installation you can use the package on your system.

How to uninstall/remove mpich-bin from Ubuntu 12.04 LTS?

Now we will see the commands for uninstalling the mpich-bin from Ubuntu 12.04 LTS. For uninstalling this package you can easily use the apt command and remove the package from Linux Operating System.

To remove the mpich-bin following command is used:

sudo apt-get remove  mpich-bin

Following command is used to remove the mpich-bin package along with its dependencies:

sudo apt-get remove --auto-remove mpich-bin

This will remove mpich-bin and all its dependent packages which is no longer needed in the system.

Completely removing mpich-bin with all configuration files:

Following command should be used with care as it deletes all the configuration files and data:

sudo apt-get purge mpich-bin

or you can use following command also:

sudo apt-get purge --auto-remove mpich-bin

Above command will remove all the configuration files and data associated with mpich-bin package. You can can't recover the delete data, so, use this command with care.