Re: no login on diskless-workstations

[Wolfgang Schweer <w.schweer@gmx.de>]

[ Frank Weißer, 2023-03-15 ]
> What does not work:
> Log in as that user graphical on diskless workstations 192.168.250.130
> (hostname ltsp130) nor 192.168.0.22 (ltsp22)
> Changing to console 1 I can log in, getting
> 'No directory, logging in with HOME=/'

LTSP needs to be adjusted, too. Please test the attached script.

Wolfgang

#!/bin/bash

# This script applies to Debian Edu 'bullseye'. It needs to be run on a combined
# server (profiles Main-Server, Workstation, LTSP-Server) after having run the
# subnet-change script and rebooted the main server afterwards.

# Author/Copyright:	Wolfgang Schweer <wschweer@arcor.de>
# Licence:		GPL2+

set -e

# The /etc/network/interfaces file should look like this:
#
# auto eth0 eth1
# iface eth0 inet static
# 	address 192.168.178.16
# 	gateway 192.168.178.1
# 	dns-search intern
# 	dns-nameserver 127.0.0.1
#
# iface eth1 inet static
#	address 192.168.0.254
#
# Adjust in case of a wrong eth1 entry.
if [ "$(hostname -I | cut -d' ' -f2)" = "192.168.0.254" ] ; then
    :
else
    echo ""
    echo "The /etc/network/interfaces file contains a wrong eth1 entry,"
    echo "it should be 'address 192.168.0.254'. Replacing it."
    ETH1ADD=$(hostname -I | cut -d' ' -f2)
    sed -i 's/'"$ETH1ADD"'/192.168.0.254/' /etc/network/interfaces
    echo "Restarting network"
    service networking restart
fi

# In case the next five steps below have been executed successfully
# on the main server (after subnet-change and reboot) they could be commented.
service named stop
rm -rf /var/cache/bind/managed-keys*
service named start
## See https://wiki.debian.org/DebianEdu/Status/Bullseye#Known_problems_that_can_be_fixed_locally
apt install ntp -y
cf-agent -I -D installation

# Adjust LTSP related config and tools.
#
# Get related IP addresses.
SERVER_IP="$(hostname -I | cut -d' ' -f1)"
GATEWAY_IP="$(host gateway | cut -d' ' -f4)"

# Modify LTSP configuration.
sed -i 's/10.0.2.2/'"$SERVER_IP"'/g' /etc/ltsp/ltsp.conf

# Copy LTSP tools and adjust these; they will take precedence due to root's $PATH.
cp /sbin/debian-edu-ltsp-initrd /usr/local/sbin/
cp /sbin/debian-edu-ltsp-install /usr/local/sbin/
cp /sbin/debian-edu-pxeinstall /usr/local/sbin/
sed -i 's/10.0.2.2/'"$SERVER_IP"'/g' /usr/local/sbin/debian-edu-ltsp-initrd
sed -i 's/10.0.2.2/'"$SERVER_IP"'/g' /usr/local/sbin/debian-edu-ltsp-install
sed -i 's/10.0.0.1/'"$GATEWAY_IP"'/g' /usr/local/sbin/debian-edu-ltsp-install
sed -i 's/10.0.2.2/'"$SERVER_IP"'/g' /usr/local/sbin/debian-edu-pxeinstall

# Adjust LTSP initrd, image and PXE setup using the modified tools; takes some time.
debian-edu-ltsp-initrd
debian-edu-ltsp-install --diskless_workstation yes
debian-edu-pxeinstall

# Delete first 192.168 related entry (written by subnet-change script) if the
# new subnet belongs to 192.168.0.0/16 to avoid LTSP client pitfall.
if [ "$(grep -c 192.168 /etc/squid/squid.conf)" = "5" ] ; then
    sed -i '0,/src 192.168/{//d}' /etc/squid/squid.conf
	service squid restart
fi

echo ""
echo "Done. No need to reboot the system."
echo ""

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