Install/Configure/de
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TCOS konfigurieren und Boot-Images erzeugen
Nutzung von TcosConfig
TcosConfig wird nicht automatisch installiert, Sie können es installieren mit:
# apt-get install tcosconfig
Screenshots zur Einrichtung von TCOS mit TcosConfig und zusätzliche Informationen finden Sie unter TcosConfig.
Nutzung von gentcos
gentcos ist Teil des Pakets initramfs-tools-tcos package. Einige Informationen erhalten Sie unter gentcos.
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Login-Manager des Servers konfigurieren
GDM
Sie müssen /etc/gdm/gdm.conf wie folgt verändern (in Ubuntu heißt die Datei eventuell gdm.conf-custom):
[security]
DisallowTCP=false
[xdmcp]
Enable=true
Sie können Autologin vom Client in den Server ermöglichen unter Angabe des Namens des Clients:
[daemon]
TimedLoginEnable=true
TimedLogin=/usr/sbin/tcos-gdm-autologin|
TimedLoginDelay=10
[security]
AllowRemoteAutoLogin=true
DisallowTCP=false
[xdmcp]
Enable=true
Diese Einstellungen können mit einem einfachen Hilfsscript erzeugt werden:
# tcos-gdm-autologin --configure
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# /etc/init.d/gdm restart |
GDM-Autologin konfigurieren
TCOS stellt ein kleines Python-Script namens tcos-gdm-autologin zur Verfügung, Das Script liest die $DISPLAY-Variable und versucht, mittles DISPLAY den Nutzer ausfindig zu machen. Beispielsweise:
 NOTE: DISPLAY=host3:0 try to login with user host3 |
To work you need to configure DHCP server and /etc/hosts to have same values thas users...
Example /etc/hosts:
192.168.0.101 host1 192.168.0.102 host2 192.168.0.103 host3 192.168.0.104 host4 192.168.0.105 host5
Example dhcpd.conf:
host host1 {
hardware ethernet 00:04:xx:xx:xx:xx;
fixed-address 192.168.0.101;
}
host host2 {
hardware ethernet 00:04:xx:xx:xx:xx;
fixed-address 192.168.0.102;
}
host host3 {
hardware ethernet 00:04:xx:xx:xx:xx;
fixed-address 192.168.0.103;
}
host host4 {
hardware ethernet 00:04:xx:xx:xx:xx;
fixed-address 192.168.0.104;
}
host host4 {
hardware ethernet 00:04:xx:xx:xx:xx;
fixed-address 192.168.0.105;
}
Then create users:
# adduser host1 ..... # adduser host2 .....
tcos-gdm-autologin have some code to do all this things (extracted of man page):
--add
This option will ask for user/host names prefix to add to system config.
Example:
prefix=host
number=4
ipbase=192.168.0
Will generate the following:
user: host1 pass: host1 home: /home/host1 (extracted from SKEL)
user: host2 pass: host2 home: /home/host2 (extracted from SKEL)
user: host3 pass: host3 home: /home/host3 (extracted from SKEL)
user: host4 pass: host4 home: /home/host4 (extracted from SKEL)
host: 192.168.0.1 hostname= host1
host: 192.168.0.2 hostname= host2
host: 192.168.0.3 hostname= host3
host: 192.168.0.4 hostname= host4
Exec this:
# tcos-gdm-autologin --add Please input the common prefix of hosts/users (example host): host Need network IP Address of thin clients (example 192.168.0): 192.168.0 Number of host/users to generate (number): 5 Start generating from (default 1): 1 I will generate users and hostnames from "host1" to "host5" with ip adresses from 192.168.0.1 to 192.168.0.5 and uncompress "/root/skel.tar.gz" as HOME_TEMPLATE Are you sure you want this? [y/n]
To work as kiosk mode you need to create a home template and save into /root/skel.tar.gz
- Create a new user, for example: template
- Login as template and configure all you want (desktop, language, wallpaper...)
- Logout
- Exec as root:
# (cd /home/template && tar -czf /root/skel.tar.gz . )
(perhaps will be a great idea open the tar.gz file and remove some files like .Xauthority or .ICEauthority)
KDM
Sie müssen /etc/kde3/kdm/kdmrc wie folgt abändern:
[xdmcp]
Enable=true
In der Datei /etc/kde3/kdm/Xaccess aktivieren Sie den folgenden Eintrag:
* #any host can get a login window
XDM
Konfigurieren des Font Servers
TCOS installiert xfs als Font Server, Sie müssen xfs konfigurieren, um Zugriffe anderer Rechner zu gestatten:
Editieren Sie die Datei /etc/X11/fs/config und verändern Sie die folgende Zeile:
no-listen = tcp
in die folgende:
#no-listen = tcp
Konfigurieren des DHCP-Servers
Vorausgesetzt, Ihr Netzwerk sieht folgendermaßen aus:
INTERNET ---- (eth0) x.x.x.x SERVER 192.168.0.254 (eth1) ----- SWITCH
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pc1 pc2 pc3 pc4 pc5 ....
müssen Sie in Distros, die auf Debian beruhen, die Datei /etc/default/dhcp3-server editieren. to change network interface to listen DHCP request:
# Defaults for dhcp initscript # sourced by /etc/init.d/dhcp # installed at /etc/default/dhcp3-server by the maintainer scripts # # This is a POSIX shell fragment # # On what interfaces should the DHCP server (dhcpd) serve DHCP requests? # Separate multiple interfaces with spaces, e.g. "eth0 eth1". INTERFACES="eth1"
You can configure DHCP server by two methods:
Dynamic IP address
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# /etc/dhcp3/dhcpd.conf # from: http://www.ubuntu-es.org/node/20079 ddns-update-style ad-hoc; option subnet-mask 255.255.255.0; option broadcast-address 192.168.0.255; option routers 192.168.0.1; option domain-name-servers 192.168.0.1; option domain-name "tcos-domain.org"; option option-128 code 128 = string; option option-129 code 129 = text; get-lease-hostnames true; next-server 192.168.0.254; shared-network WORKSTATIONS { subnet 192.168.0.0 netmask 255.255.255.0 { range dynamic-bootp 192.168.0.11 192.168.0.30; if substring (option vendor-class-identifier, 0, 9) = "PXEClient" { # boot from PXE network card filename "/tcos/pxelinux.0"; } else{ # boot from old version of etherboot floppy filename "/tcos/linux-2.6.18-4-486.nbi"; } } }
- Then restart service:
- # /etc/init.d/dhcp3-server restart
Static IP address
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You have to put one block per host in this way:
#/etc/dhcp3/dhcpd.conf
# Sample configuration file for ISCD dhcpd
#
# Don't forget to set run_dhcpd=1 in /etc/init.d/dhcpd
# once you adjusted this file and copied it to /etc/dhcpd.conf.
#
default-lease-time 21600;
max-lease-time 21600;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.0.255;
option routers 192.168.0.1;
option domain-name-servers 192.168.0.1;
option domain-name "tcos-domain.com";
next-server 192.168.0.254;
shared-network WORKSTATIONS {
subnet '192.168.0.0 netmask 255.255.255.0 {
}
}
group {
use-host-decl-names on;
option log-servers 192.168.0.254;
next-server 192.168.0.254;
host tcos11 {
# host running TCOS
hardware ethernet 00:0c:29:4b:bc:db;
fixed-address 192.168.0.11;
filename "/tftpboot/tcos/pxelinux.0";
}
host tcos12 {
# host running LTSP
hardware ethernet 00:0c:29:2d:61:6f;
fixed-address 192.168.0.12;
filename "/tftpboot/lts/2.6.16.1-ltsp-2/pxelinux.0";
}
host tcos13 {
# host running PXES
hardware ethernet 00:0C:29:27:8A:B0;
fixed-address 192.168.0.13;
filename "/tftpboot/pxes/pxelinux.0";
}
}
- Then restart service:
- # /etc/init.d/dhcp3-server restart