[K12OSN] : CentOS 7 & LTSP adventures, success.

Jim Kinney jim.kinney at gmail.com
Tue Apr 14 16:54:22 UTC 2015


Disable selinux with setenforce 0 and retry. Or you can go digging in the
audit log for clues.
On Apr 14, 2015 12:51 PM, <johan.vermeulen7 at telenet.be> wrote:

> Hello All,
>
> after copying over more recent images, this changes.
> Login at first seems to work.Then the screen goes all stripy, and goes
> back to logon screen.
> In /var/log/messages:
> Apr 14 18:40:42 localhost systemd: Created slice user-1000.slice.
> Apr 14 18:40:42 localhost systemd: Starting Session 3 of user caw.
> Apr 14 18:40:42 localhost systemd: Started Session 3 of user caw.
> Apr 14 18:40:42 localhost systemd-logind: New session 3 of user caw.
> Apr 14 18:40:47 localhost xinetd[1572]: START: ldminfod pid=3564
> from=::ffff:192.168.63.130
> Apr 14 18:40:47 localhost xinetd[1572]: EXIT: ldminfod status=0 pid=3564
> duration=0(sec)
> Apr 14 18:40:55 localhost systemd-logind: Removed session 3.
>
> In /var/log/secure:
> Apr 14 18:40:42 localhost sshd[3156]: Accepted password for caw from
> 192.168.63.130 port 47688 ssh2
> Apr 14 18:40:42 localhost sshd[3156]: pam_unix(sshd:session): session
> opened for user caw by (uid=0)
> Apr 14 18:40:46 localhost sshd[3160]: Received disconnect from
> 192.168.63.130: 11: disconnected by user
> Apr 14 18:40:46 localhost sshd[3156]: pam_unix(sshd:session): session
> closed for user caw
>
> Thanks for any clues.
>
> greetings, Johan
>
> ----- Oorspronkelijk bericht -----
> Van: "johan vermeulen7" <johan.vermeulen7 at telenet.be>
> Aan: "Support list for open source software in schools." <
> k12osn at redhat.com>
> Verzonden: Dinsdag 14 april 2015 12:27:24
> Onderwerp: Re: [K12OSN] :  CentOS 7 & LTSP adventures, success.
>
> And now I'm seeing this in lightdm log:
>
> [root at localhost ~]# tail -f /var/log/lightdm/x-0-greeter.log
>
> (lightdm-gtk-greeter:868): GLib-CRITICAL **: g_variant_get_type: assertion
> 'value != NULL' failed
>
> (lightdm-gtk-greeter:868): GLib-CRITICAL **: g_variant_type_is_subtype_of:
> assertion 'g_variant_type_check (type)' failed
>
> (lightdm-gtk-greeter:868): GLib-CRITICAL **: g_variant_get_type_string:
> assertion 'value != NULL' failed
>
> ** (lightdm-gtk-greeter:868): WARNING **: Unexpected accounts property
> type for XHasMessages: (null)
>
> (lightdm-gtk-greeter:868): GLib-CRITICAL **: g_variant_unref: assertion
> 'value != NULL' failed
>
> ----- Oorspronkelijk bericht -----
> Van: "johan vermeulen7" <johan.vermeulen7 at telenet.be>
> Aan: "Support list for open source software in schools." <
> k12osn at redhat.com>
> Verzonden: Dinsdag 14 april 2015 12:11:18
> Onderwerp: Re: [K12OSN] :  CentOS 7 & LTSP adventures, success.
>
> Hello,
>
> it could be this is related to Lightdm, the server has mate-desktop
> installed. I'm also seeing this EM:
> Apr 14 12:04:36 localhost lightdm: pam_unix(lightdm-greeter:session):
> session closed for user lightdm
>
> ----- Oorspronkelijk bericht -----
> Van: "johan vermeulen7" <johan.vermeulen7 at telenet.be>
> Aan: "Support list for open source software in schools." <
> k12osn at redhat.com>
> Verzonden: Dinsdag 14 april 2015 11:55:25
> Onderwerp: Re: [K12OSN] :  CentOS 7 & LTSP adventures, success.
>
> Hello Barry, Hello All,
>
> so I'm also experimenting on Centos7.
>
> I followed the procedure described by Barry below.
>
> The thinclient boots fine, but users or root can't logon.
> The EM I'm seeing is:
> Apr 14 11:46:02 localhost sshd[5003]: Connection closed by 192.168.63.130
> [preauth]
>
> I tried the usual, ltsp-update-sshkeys, Selinux, ...
>
> Can anyone help me with this?
>
> Many thanks.
>
> Johan
>
> ----- Oorspronkelijk bericht -----
> Van: "Johan Vermeulen" <johan.vermeulen7 at telenet.be>
> Aan: "Support list for open source software in schools." <
> k12osn at redhat.com>
> Verzonden: Vrijdag 2 januari 2015 22:34:53
> Onderwerp: Re: [K12OSN] :  CentOS 7 & LTSP adventures, success.
>
> Barry,
>
> thanks for letting us know.
> I am planning on deploying k12linux on Centos7.
>
> Greetings, johan
>
> Barry R Cisna <brcisna at eazylivin.net>schreef:
>
> >Hello All,
> >
> >Thought this may be of interest to some here.
> >Decided to see how an install of LTSP on CentOS 7 would go,so here are
> >my findings and long story short LTSP can work on CentOS 7!
> >
> >1) Fresh install of CentOS 7
> >2) Do the standard install of the ltsp repo.rpm
> >3)" yum -y install ltsp-server", fails with three dependencies not
> >fulfilled.
> >4) add the epel & repoforge repos., still fails with xorg-x11-xdm not
> >found
> >5) find this rpm on net in i386 and force install
> >6) ltsp-server now installs fine on server, and ltsp-build-client builds
> >fine as well.
> >7) thin client boots but fails login, same as a recent CentOS 6.6 & LTSP
> >with root trying to get a login from ssh right behind the standard user?
> >
> >Plan B:
> >
> >1) rename /tftpboot/ltsp and /opt/ltsp to ltsp_OLD on CentOS 7 server.
> >
> >1a) from a working 8 month old install of LTSP on CentOS 6.6 on server
> >rsync -avz /var/lib/tftpboot/ltsp remoteCentOS7:/var/lib/tftpboot/
> >rsync -avz /opt/ltsp remoteCentOS7:/opt/
> >2a) restart nfs & xinetd services
> >3a) ltsp-update-sshkeys & ltsp-update-kernels
> >4a) boot client - login success!
> >5a) usb sticks & sound works.
> >6a) #optional, install latest google chrome on server with,
> >http://tecadmin.net/install-google-chrome-in-centos-rhel-and-fedora/
> >
> >Not necessary but all of the recent ltsp/k12linux server gets frequent
> >flash-plugin/plugin-container crashes using latest Firefox,
> >flash-plugin .
> >This is a known problem running flash-plugin on remote displays.
> >
> >Hope this may help someone.
> >
> >Barry
> >
> >
> >
> >
> >_______________________________________________
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>
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