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Check if DNS is installed in Ubuntu

Posted on 2014-03-10
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Last Modified: 2014-03-17
I need a command to find out if DNS is installed on ubuntu.

I installed and uninstalled bind9 on ubuntu.., I run the following command before and after bind9 installed, I got the same output:

dpkg -s bind9

apt-cache search bind9

I wonder what is the right command to find out if bind9 is installed or not.

Thanks
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Question by:jskfan
12 Comments
 
LVL 15

Assisted Solution

by:achaldave
achaldave earned 668 total points
ID: 39918800
Try following commands

dpkg –get-selections

dpkg –get-selections | grep bind
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Author Comment

by:jskfan
ID: 39918984
command not found

dpkg
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LVL 32

Assisted Solution

by:serialband
serialband earned 664 total points
ID: 39919234
The command is dpkg.  The option is –get-selections.

You placed the space incorrectly in your command.
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LVL 62

Accepted Solution

by:
gheist earned 668 total points
ID: 39919241
dpkg --get-selections
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Author Comment

by:jskfan
ID: 39919290
ok 2 hyphens before get
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Author Comment

by:jskfan
ID: 39919301
dnsdns
0
 

Author Comment

by:jskfan
ID: 39919302
in which server is DNS installed , per the above snapshots ?
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LVL 62

Expert Comment

by:gheist
ID: 39919306
It is the rich text box, fame should go to one that typed a loooong hyyypheeen first ;)

you can see with
netstat -anpu
if anything on port 53

or in pstree try to find process called "named"
0
 
LVL 62

Expert Comment

by:gheist
ID: 39919336
Your picture has so huge font.
Please OCR and googel yourself. Really i cannot walk 5m from monitro to see your letters....
0
 

Author Comment

by:jskfan
ID: 39919421
the fonts look ok to me
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Author Comment

by:jskfan
ID: 39919428
I guess the one that shows plain bind9 , is the one that DNS server installed on it
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Author Closing Comment

by:jskfan
ID: 39934239
dpkg --get-selections

Thank you Guys!
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