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While I'm try to install sudo apt-get install bind9-dnsutils , I get the following error:

The following packages have unmet dependencies:
 bind9-dnsutils : Depends: bind9-libs (= 1:9.16.1-0ubuntu2) but 1:9.16.1-0ubuntu2.4 is to be installed
E: Unable to correct problems, you have held broken packages.

so, I have to install bind9-libs , when I try to install sudo apt-get install bind9-libs , I get the following output

Reading package lists... Done
Building dependency tree       
Reading state information... Done
bind9-libs is already the newest version (1:9.16.1-0ubuntu2.4).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

I need bind9-dnsutils for installing nslookup.

How Do I fix it?

Hossein Safari
  • 103

1 Answers1

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That version of bind9-libs (1:9.16.1-0ubuntu2.4) is not present in ubuntu 20.04 so you have done something strange in order to get it.

You should check that your /etc/apt/sources.list, sources.list.d and PPAs don't include anything unexpected. apt policy bind9-libs may show where you got it from.

Ultimately you'll be wanting to remove it and get bind9-libs version 1:9.16.1-0ubuntu2.3 installed.

grifferz
  • 1,006