Introduction: The dig command is primarily used to query DNS servers. It is a useful tool for network troubleshooting. It is popular due to its flexibility, simple to use, and crystal clear output over host command. This page shows how to install dig command on a RHEL 8 using the bash shell. You must log in as root user to install the following package.
RHEL 8 dig command not found
You may get the following error when you run dig command:
$ dig www.nixcraft.com
$ dig +short myip.opendns.com @resolver1.opendns.com
Try to locate the dig with type command:
$ type -a dig
Display your PATH settings on Linux with help of echo command:
$ echo "$PATH"
Getting rid of “-bash: dig: command not found”
BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library and tools for verifying that the DNS server is operating properly. However, bind is not installed by default including the dig command.
You must install bind-utils package on RHEL 8. It contains a collection of utilities (such as dig command and other) for querying DNS name servers to find out information about internet hosts. These tools will provide you with the IP addresses for given host names, as well as other information about registered domains and network addresses.
How to install dig on RHEL 8
You must install bind-utils if you need to get information from DNS name servers. Type the following yum command/dnf command and press [Enter] key:
$ sudo dnf install bind-utils
OR
$ sudo yum install bind-utils
How do I use dig command on an RHEL 8 based system?
The syntax is:
dig Hostname
dig DomaiNameHere
dig @DNS-server-name Hostname
dig @DNS-server-name IPAddress
dig @DNS-server-name Hostname|IPAddress type
For example:
$ dig www.nixcraft.com
$ dig @1.1.1.1 google.com
$ dig @1.1.1.1 MX nixcraft.com
$ dig @1.1.1.1 AAAA yahoo.com
A tip about finding package names
Want to find out which package owned dig command on an RHEL 8? Try:
$ sudo dnf whatprovides '*bin/dig'
Sample outputs:
Updating Subscription Management repositories. Updating Subscription Management repositories. Last metadata expiration check: 0:55:14 ago on Sunday 02 December 2018 01:52:46 AM IST. bind-utils-32:9.11.4-14.P2.el8.x86_64 : Utilities for querying DNS name servers Repo : @System Matched from: Other : *bin/dig bind-utils-32:9.11.4-14.P2.el8.x86_64 : Utilities for querying DNS name servers Repo : rhel-8-for-x86_64-appstream-beta-rpms Matched from: Other : *bin/dig |
Conclusion
This page showed how to search for dig command package name and install the same on an RHEL 8 based system.