How To Install tblastn on CentOS 8

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install ncbi-blast+

sudo dnf makecache && sudo dnf -y install ncbi-blast+

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is tblastn and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 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 tblastn on CentOS 8. 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 tblastn on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install tblastn using dnf by running the following command:

sudo dnf -y install ncbi-blast+

Install tblastn on CentOS 8 using yum

Because tblastn is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install tblastn package on your server/computer by running the following command:

sudo yum -y install ncbi-blast+

How to upgrade (update) a single package tblastn using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like tblastn in this example you should use the following command:

yum update ncbi-blast+

To downgrade a package to an earlier version:

yum downgrade ncbi-blast+

How to Upgrade tblastn on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update ncbi-blast+

How To remove tblastn from CentOS 8

To uninstall only the tblastn package you can execute the following command:

sudo dnf remove ncbi-blast+

Extra info and code examples

The Basic Local Alignment Search Tool (BLAST) is the most widely used sequence similarity tool. There are versions of BLAST that compare protein queries to protein databases, nucleotide queries to nucleotide databases, as well as versions that translate nucleotide queries or databases in all six frames and compare to protein databases or queries. PSI-BLAST produces a position-specific-scoring-matrix (PSSM) starting with a protein query, and then uses that PSSM to perform further searches. It is also possible to compare a protein or nucleotide query to a database of PSSM’s. The NCBI supports a BLAST web page at blast.ncbi.nlm.nih.gov as well as a network service.

Conclusion

You now have a full guide on how to install tblastn using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the tblastn from CentOS 8.

See also: