Linux: find out information about current domain name and host name

by on October 15, 2007 · 6 comments· LAST UPDATED October 15, 2007

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Q. Under Windows Server 2003 I can use active directory domain tools to get information about current domain and hostname. Can you tell me command to list current domain name and hostname under Red hat enterprise Linux 5?

A. Both Linux / UNIX comes with the following utilities to display hostname / domain name:

a) hostname - show or set the system’s host name

b) domainname - show or set the system’s NIS/YP domain name

c) dnsdomainname - show the system’s DNS domain name

d) nisdomainname - show or set system’s NIS/YP domain name

e) ypdomainname - show or set the system’s NIS/YP domain name

For example, hostname is the program that is used to either set or display the current host, domain or node name of the system. These names are used by many of the networking programs to identify the machine.
$ hostname

The domain name is also used by NIS/YP or Internet DNS:
$ dnsdomainname
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{ 6 comments… read them below or add one }

1 Matteo Cappelli December 23, 2010 at 5:20 pm

Ciao, non conoscevo questi comandi (a parte il comando hostname)… Me li appunto :-)!



2 Gavin Marshall April 21, 2011 at 10:55 am

Had a good read through your site. The featured articles is an excellent section. Learned loads of things I did not know about the Linux OS I didn’t know.

Good luck.



3 Q October 12, 2011 at 6:11 pm

Thank you for the useful threads on your forum. Knowledge for all (especially for us newbies :-D )


4 Rupesh August 10, 2012 at 5:55 am

I have configure samba server in my machine when I am accessing the samba server it is perfectly accessing with ought user name and password but when I am configure it through user name and password its not accessing and that pop up window again come and asking username password and domain.

to to access my samba though user name and password in linux 5.0


5 Nitan October 20, 2012 at 11:06 am

hello friends.

Actually i want to know how can i check hosted Domain list on my server ,i mean what is the command, if anybody know then please reply me.i will be very thank full to you..


6 Nitan November 3, 2012 at 7:04 am

Hi friend.

Actually i want to know,how can i check domain’s list in through SSh ????????????
what is command for that ?


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