Re: : CentOS 7 & LTSP adventures, success.

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" <[email protected]>
Aan: "Support list for open source software in schools." <[email protected]>
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@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" <[email protected]>
Aan: "Support list for open source software in schools." <[email protected]>
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" <[email protected]>
Aan: "Support list for open source software in schools." <[email protected]>
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" <[email protected]>
Aan: "Support list for open source software in schools." <[email protected]>
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 <[email protected]>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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>For more info see <http://www.k12os.org>

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