[ Wolfgang Schweer, 2021-06-01 ] > During a recent installation test I noticed that the > debian-edu-ltsp-install script fails to setup thin client support if > used outside the Debian Installer environment. > > As there are too many ways to install a combined server with or > without Internet connection using the BD iso image it is best to > adjust debian-edu-ltsp-install to only use the BD ISO image if run > inside d-i. > > The fix is simple: > > diff --git a/sbin/debian-edu-ltsp-install b/sbin/debian-edu-ltsp-install > index 1edb407a..a22d8ca8 100755 > --- a/sbin/debian-edu-ltsp-install > +++ b/sbin/debian-edu-ltsp-install > @@ -341,8 +341,8 @@ cat <<EOF > /etc/ltsp/skel/.x2goclient/settings > show=false > EOF > > -# Specific settings needed if BD ISO image is used for installation. > -if grep -q BD /etc/apt/sources.list ; then > +# Specific settings needed if BD ISO image is used for installation inside > d-i. > +if [ -e /etc/apt/apt.conf.d/00IgnoreTimeConflict ] && grep -q BD > /etc/apt/sources.list ; then > BD_ISO="true"; > device="$(grep media/cdrom /etc/fstab | cut -d' ' -f1)" > mirror="file:///media/cdrom/" > @@ -365,7 +365,6 @@ debootstrap --arch="$arch" --no-check-gpg > --variant=minbase --include=linux-imag > if [ "true" == "$BD_ISO" ] ; then > mkdir -p /srv/ltsp/thin/"$thin_type"-"$arch"/media/cdrom > mount $device /srv/ltsp/thin/"$thin_type"-"$arch"/media/cdrom > - cp /var/cache/apt/*.bin > /srv/ltsp/thin/"$thin_type"-"$arch"/var/cache/apt/ > echo "deb [trusted=yes] $mirror $dist main" > > /srv/ltsp/thin/"$thin_type"-"$arch"/etc/apt/sources.list > fi > chroot /srv/ltsp/thin/"$thin_type"-"$arch"/ apt -y -qq install > education-thin-client p910nd >
Explaining the fix: If the BD ISO image is used in offline mode, 'apt update' isn't run, so /var/cache/apt/ doesn't contain pkgcache.bin and srcpkgcache.bin; the script errors out. A fix could have been to append '|| true' to the line cp /var/cache/apt/*.bin /srv/ltsp/thin/"$thin_type"-"$arch"/var/cache/apt/ But a second issue showed up while testing a fix for the script: There are too many ways to use the script outside d-i for installation (with or without Internet connection, with or without adjusting the sources list, with or without running apt update, support for amd64 or i386 thin clients, with or without a related DVD / USB flash drive being mounted / available) to cover all these cases. So it seemed to be best to use the BD ISO image to setup X2Go thin client support only in case the script is run inside the Debian Installer environment. This said, instead of appending '|| true' to the mentioned line, get rid of it completely. Wolfgang
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