How To Install clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs

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

What is clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh using apt by running the following command:

sudo apt -y install clamav-unofficial-sigs

Install clamav-unofficial-sigs.sh using apt

Because clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh using apt by running the following command:

sudo apt -y install clamav-unofficial-sigs

Install clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh by running the following command:

sudo aptitude -y install clamav-unofficial-sigs

How to upgrade (update) a single package clamav-unofficial-sigs.sh 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 clamav-unofficial-sigs.sh, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install clamav-unofficial-sigs

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 clamav-unofficial-sigs

How To Uninstall clamav-unofficial-sigs.sh from Ubuntu 21.04

To uninstall only the clamav-unofficial-sigs.sh package you can execute the following command:

sudo apt-get remove clamav-unofficial-sigs

Uninstall clamav-unofficial-sigs.sh and all its dependencies

To uninstall clamav-unofficial-sigs.sh and its dependencies that are no longer needed by Ubuntu 21.04, you can use the command below:

sudo apt-get -y autoremove clamav-unofficial-sigs

Remove clamav-unofficial-sigs.sh with all configurations and data

To remove clamav-unofficial-sigs.sh configuration and data from your system you can run the following purge command:

sudo apt-get -y purge clamav-unofficial-sigs

Remove clamav-unofficial-sigs.sh completely (configurations, data and all of its dependencies)

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

sudo apt-get -y autoremove --purge clamav-unofficial-sigs

Extra info and code examples

This package provides a script for updating the following sources of 3rd-party clamav signatures until freshclamav gains support for such signatures. The SaneSecurity/OITC signatures provide detection of phishing, spear phishing, fake lottery, ecard malware, casino, fake jobs, fake loans, 419s, fake diplomas, porn, emailed malware and other general spam. MSRBL signatures provide detection of image spam and general spam. SecuriteInfo signatures provide various badware signatures, securiteinfo.com honeypot signatures, honeynet.cz signatures and French anti-spam signatures MalwarePatrol provides detection of mail containing URLs to malware.

Conclusion

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

See also: