Thankyou Sumit. the problem was indeed packagekit

I solved it by apt instal lpackagekit




From: Sumit Bose <sbose@redhat.com>
Sent: 25 April 2018 19:27
To: sssd-users@lists.fedorahosted.org
Subject: [SSSD-users] Re: Realm says Necessary packages are not installed
 
On Wed, Apr 25, 2018 at 02:55:33PM +0000, JOHE (John Hearns) wrote:
> Following a lovely day of fun and games with my physical workstation, where I borked the authentication so much that I had to boot it from a sysrescue thumb drive (https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.system-rescue-cd.org%2F&data=01%7C01%7Cjohe%40novozymes.com%7C9da285313dcb4ae9d04f08d5aad1d132%7C43d5f49ee03a4d22a2285684196bb001%7C0&sdata=jxoj%2FAOIVuLRZf0D24eaW%2Btor3RaTxgcIzJluhBlE6E%3D&reserved=0   I sleep with one of these under my pillow)
>
>
> I have decided to experiment with some VMs (Vagrant / Virtualbox / Ubuntu)
>
> When I run realm join   domainname   I get:
>
> realmd[7008]:  ! Necessary packages are not installed: sssd-tools sssd libnss-sss libpam-sss adcli

By default realmd tries to lookup and install packages with package-kit.
I guess this is not available on your system. Please try to set

    [service]
    automatic-install = no

in /etc/realmd.conf, see man realmd.conf for details.

HTH

bye,
Sumit

>
>
> Those packages definitely are installed...
>
> I guess others have seen this message?  Yeah, Google is my friend....
>
>
> SystemRescueCd - System Rescue Cd Homepage<https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.system-rescue-cd.org%2F&data=01%7C01%7Cjohe%40novozymes.com%7C9da285313dcb4ae9d04f08d5aad1d132%7C43d5f49ee03a4d22a2285684196bb001%7C0&sdata=jxoj%2FAOIVuLRZf0D24eaW%2Btor3RaTxgcIzJluhBlE6E%3D&reserved=0>
> https://emea01.safelinks.protection.outlook.com/?url=www.system-rescue-cd.org&data=01%7C01%7Cjohe%40novozymes.com%7C9da285313dcb4ae9d04f08d5aad1d132%7C43d5f49ee03a4d22a2285684196bb001%7C0&sdata=OHo9bCnxdcdUBjM9LMF3bCD0NL04hESXMTKDULWktU0%3D&reserved=0
> About SystemRescueCd. Description: SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash.
>
>
>
>
>

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