How To Install idt 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 ncl-ncarg

sudo dnf makecache && sudo dnf -y install ncl-ncarg

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

What is idt 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 idt 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 idt 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 idt using dnf by running the following command:

sudo dnf -y install ncl-ncarg

Install idt on CentOS 8 using yum

Because idt 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 idt package on your server/computer by running the following command:

sudo yum -y install ncl-ncarg

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

To update all the packages available on the system:

yum update

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

yum update ncl-ncarg

To downgrade a package to an earlier version:

yum downgrade ncl-ncarg

How to Upgrade idt 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 ncl-ncarg

How To remove idt from CentOS 8

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

sudo dnf remove ncl-ncarg

Extra info and code examples

The NCAR Command Language (NCL) is a free interpreted language designed specifically for scientific data processing and visualization. NCL has robust file input and output. It can read and write netCDF-3, netCDF-4 classic HDF4, HDF5, binary, and ASCII data, and read HDF-EOS2, GRIB1 and GRIB2. The graphics are world class and highly customizable. The software comes with a couple of useful command line tools: * ncl_filedump - prints the contents of supported files (netCDF, HDF, GRIB1, GRIB2, HDF-EOS2, and CCM History Tape) * ncl_convert2nc - converts one or more GRIB1, GRIB2, HDF and/or HDF-EOS iles to netCDF formatted files.

Conclusion

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

See also: