How To Install pscp.pssh on Ubuntu 21.04

One-liner install command

For those in a hurry, here's a one-line installation command:

sudo apt-get update && sudo apt -y install pssh

But if you are interested in the detailed steps with descriptions, the following information is for you.

What is pscp.pssh and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 21.04. This guide was written specifically with a server running Ubuntu 21.04 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install pscp.pssh on Ubuntu 21.04. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install pscp.pssh using apt-get

First, update apt database with apt-get using the following command.

sudo apt-get update

After updating apt-get database, You can install pscp.pssh using apt by running the following command:

sudo apt -y install pssh

Install pscp.pssh using apt

Because pscp.pssh is available in Ubuntu 21.04’s default repositories, it is possible to install it from these repositories using the apt packaging system.

To begin, update apt database with apt using the following command.

sudo apt update

After updating apt database, You can install pscp.pssh using apt by running the following command:

sudo apt -y install pssh

Install pscp.pssh 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 21.04. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install pscp.pssh by running the following command:

sudo aptitude -y install pssh

How to upgrade (update) a single package pscp.pssh using apt-get?

First, you will need to update packages index. Run update command as usual:

sudo apt-get update

Next, to upgrade only the pscp.pssh, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install pssh

Note that this command will not install any new packages! If you wish to install the package if it doesn't exist you may leave out --only-upgrade part.

sudo apt-get install pssh

How To Uninstall pscp.pssh from Ubuntu 21.04

To uninstall only the pscp.pssh package you can execute the following command:

sudo apt-get remove pssh

Uninstall pscp.pssh and all its dependencies

To uninstall pscp.pssh and its dependencies that are no longer needed by Ubuntu 21.04, you can use the command below:

sudo apt-get -y autoremove pssh

Remove pscp.pssh with all configurations and data

To remove pscp.pssh configuration and data from your system you can run the following purge command:

sudo apt-get -y purge pssh

Remove pscp.pssh completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to pscp.pssh package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge pssh

Extra info and code examples

pssh provides a number of commands for executing against a group of computers, using SSH. It's most useful for operating on clusters of homogenously-configured hosts. The package contains: - Parallel ssh (parallel-ssh, upstream calls it pssh), executes commands on multiple hosts in parallel - Parallel scp (parallel-scp, upstream calls it pscp), copies files to multiple remote hosts in parallel - Parallel rsync (parallel-rsync, upstream calls it prsync), efficiently copies files to multiple hosts in parallel - Parallel nuke (parallel-nuke, upstream calls it pnuke), kills processes on multiple remote hosts in parallel - Parallel slurp (parallel-slurp, upstream calls it pslurp), copies files from multiple remote hosts to a central host in parallel These tools are good for controlling large collections of nodes, where faster alternatives such as gexec and pcp are not available.

Conclusion

You now have a full guide on how to install pscp.pssh using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the pscp.pssh from Ubuntu 21.04.

See also: