+Available log files
+-------------------
+
+grml-live itself logs to /var/log/grml-live.log. Unless you set ZERO_LOGFILE in
+/etc/grml/grml-live.conf the output is appended to the file. If you set the
+ZERO_LOGFILE configuration option the logfile will be truncated on each new
+invocation of grml-live.
+
+The FAI part of grml-live logs to /var/log/fai/$HOSTNAME/ - so the
+default being /var/log/fai/grml/.
+
+If you are using the grml-live buildd you will find the logs of the grml-live
+run at /var/log/grml-buildd.stdout and /var/log/grml-buildd.stderr.
+
+Requirements for the build system
+---------------------------------
+
+* any Debian based system should be sufficient (if it doesn't work it's a bug,
+please send us a bug report then) [a usual
+link:http://grml.org/grml2hd/[grml2hd] harddisk installation (using grml or
+grml-medium) ships all you need]. Check out <<deploy-on-debian,How do I deploy
+grml-live on a plain Debian installation>> for details how to set up grml-live
+on a plain, original Debian system.
+
+* enough free disk space; at least 800MB are required for a minimal grml-live
+run (\~400MB for the chroot [$CHROOT_OUTPUT], \~150MB for the build target
+[$BUILD_OUTPUT] and \~150MB for the resulting ISO [$ISO_OUTPUT] plus some
+temporary files), if you plan to use GRML_FULL you should have at least 4GB of
+total free disk space
+
+* fast network access for retrieving the Debian packages used for creating the
+chroot (check out "local mirror" and "NFSROOT" to workaround this problem as far
+as possible)
+
+For further information see next section.
+
+[[X8]]
+[[current_state]]
+Current state of grml-live with squashfs-tools and kernel
+---------------------------------------------------------
+
+To make it easier to track problems this section documents current state of
+grml-live playing together with squashfs-tools / squashfs-lzma-tools (for
+building the compressed file) and the kernel version. Documentation of this
+section is up2date by 04nd of august 2009, please report any bugs you
+encounter.
+
+Using squashfs-lzma-tools 3.3-1 on the build system
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+squashfs-lzma-tools from the grml repository supports kernel 2.6.26-grml[64] and
+2.6.28-grml[64] using both lzma and zlib (-nolzma) compression. It's the
+recommended package for building ISOs with grml-live currently!
+
+The packages can be downloaded from
+link:http://deb.grml.org/pool/main/s/squashfs-lzma/[http://deb.grml.org/pool/main/s/squashfs-lzma/].
+
+[NOTE]
+Please use squashfs-lzma-tools 3.3-1 if you want to remaster grml release
+2008.11 or 2009.05.
+
+Using squashfs-tools 1:3.3-7 on the build system
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+squashfs-tools 1:3.3-7 is available via the official Debian/unstable and
+Debian/testing (Lenny) pool running:
+
+ # aptitude install squashfs-tools=1:3.3-7
+
+or directly via downloading the files
+http://grml.org/squashfs/squashfs-tools_3.3-7_i386.deb (for x86) or
+http://grml.org/squashfs/squashfs-tools_3.3-7_amd64.deb (for amd64) [both build
+on and for Debian/etch but working with testing and unstable as well].
+
+Please notice that squashfs-tools 1:3.3-7 does NOT support LZMA compression at
+all (so you won't be able to remaster release 2008.11 and 2009.05 using LZMA for
+example). The -nolzma option of mksquashfs is not available therefore (even
+though grml-live will deactivate it for you automatically anyway). Please use
+squashfs-lzma-tools instead.
+
+* Kernel 2.6.23-grml: does NOT work, please use squashfs-tools 1:3.2r2-9exp1
+ instead if you still want to use kernel 2.6.23 (not
+ recommended)
+* Kernel 2.6.26-grml: works (without LZMA compression only of course!)
+* Kernel 2.6.28-grml: works (without LZMA compression only of course!)
+
+Using squashfs-tools 1:3.2r2-9exp1 on the build system
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+squashfs-tools 1:3.2r2-9exp1 is available via the grml-testing repository,
+running:
+
+ # aptitude install squashfs-tools=1:3.2r2-9exp1
+
+or directly via downloading the files
+http://grml.org/squashfs/squashfs-tools_3.2r2-9exp1_i386.deb (for x86) or
+http://grml.org/squashfs/squashfs-tools_3.2r2-9exp1_amd64.deb (for amd64).
+
+Using with ZLIB compression (SQUASHFS_OPTIONS='-nolzma' or -z
+option in grml-live cmdline):
+
+* Kernel 2.6.23-grml: works
+* Kernel 2.6.26-grml: works
+* Kernel 2.6.28-grml: supposed to work (not verified though)
+
+Using with LZMA compression:
+
+* Kernel 2.6.23-grml: works
+* Kernel 2.6.26-grml: does NOT work, please use zlib mode instead or switch
+ to Debian package squashfs-lzma-tools (see section above).
+* Kernel 2.6.28-grml: does NOT work, please use zlib mode instead or switch
+ to Debian package squashfs-lzma-tools (see section above).
+
+FAQ
+---
+
+[[deploy-on-debian]]
+How do I deploy grml-live on a plain Debian installation?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The easiest way to get a running grml-live setup is to install grml or
+grml-medium using grml2hd (for example inside KVM, Virtualbox, VMware,... if you
+don't want to run it on a physical system). Of course using grml-live on a
+plain, original Debian installation is supported as well. So there we go.
+
+What we have: plain, original Debian Lenny (5.0).
+
+What we want: build a grml-medium ISO based on Debian/squeeze for the i386
+architecture using grml-live.
+
+[IMPORTANT]
+
+If you encounter any problems while booting the resulting ISO please be aware of
+<<current_state,the 'current state of grml-live with squashfs-tools and kernel'
+section>>.
+
+Instructions
+^^^^^^^^^^^^
+
+ # adjust sources.list:
+ cat >> /etc/apt/sources.list << EOF
+
+ # grml stable repository:
+ deb http://deb.grml.org/ grml-stable main
+ deb-src http://deb.grml.org/ grml-stable main
+
+ # grml testing/development repository:
+ deb http://deb.grml.org/ grml-testing main
+ deb-src http://deb.grml.org/ grml-testing main
+ EOF
+
+ # adjust apt-pinning (only prefer squashfs stuff from grml):
+ cat >> /etc/apt/preferences << EOF
+ Package: *
+ Pin: origin deb.grml.org
+ Pin-Priority: 1
+
+ Package: squashfs-tools
+ Pin: origin deb.grml.org
+ Pin-Priority: 996
+
+ Package: squashfs-lzma-tools
+ Pin: origin deb.grml.org
+ Pin-Priority: 996
+ EOF
+
+ # get keyring for apt:
+ apt-get update
+ apt-get --allow-unauthenticated install grml-debian-keyring
+
+ # install basefile so we don't have to build basic chroot from scratch:
+ mkdir -p /etc/grml/fai/config/basefiles/
+ mv base.tgz /etc/grml/fai/config/basefiles/I386.tar.gz
+
+ # install relevant tools:
+ apt-get -o APT::Install-Recommends=false install grml-live squashfs-lzma-tools
+
+ # adjust grml-live configuration for our needs:
+ cat > /etc/grml/grml-live.local << EOF
+ # consider using lzma only for space reasons (resulting in longer
+ # build time but smaller ISO):
+ SQUASHFS_OPTIONS="-nolzma"
+ ## adjust if necessary (defaults to /grml/grml-live):
+ ## OUTPUT="/srv/grml-live"
+ FAI_DEBOOTSTRAP="squeeze http://ftp.de.debian.org/debian/"
+ ARCH="i386"
+ CLASSES="GRMLBASE,GRML_MEDIUM,I386"
+ ZERO_LOGFILE='1'
+ # ZERO_FAI_LOGFILE='1'
+ GRML_LIVE_SOURCES="
+ deb http://deb.grml.org/ grml-stable main
+ deb http://deb.grml.org/ grml-testing main
+ deb http://ftp.de.debian.org/debian squeeze main contrib non-free
+ "
+ EOF
+
+ # just optional(!) - upgrade FAI to latest available version:
+ cat >> /etc/apt/sources.list << EOF
+ # fai:
+ deb http://www.informatik.uni-koeln.de/fai/download lenny koeln
+ EOF
+
+ # get gpg key of FAI repos and install current FAI version:
+ gpg -a --recv-keys AB9B66FD; gpg -a --export AB9B66FD | apt-key add -
+ apt-get update
+ apt-get install fai-client fai-server fai-doc
+
+That's it. Now invoking 'grml-live -V' should build the ISO. If everything
+worked as expected the last line of the shell output should look like:
+
+ [*] Successfully finished execution of grml-live [running 687 seconds]
+
+and the ISO can be found inside /grml-live/grml-live/grml_isos/ then.
+
+Help, I'm using Debian etch and I don't have FAI version >3.2
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ wget http://www.informatik.uni-koeln.de/fai/download/etch/fai-client_3.2.8_all.deb \
+ http://www.informatik.uni-koeln.de/fai/download/etch/fai-server_3.2.8_all.deb \
+ http://www.informatik.uni-koeln.de/fai/download/etch/fai-doc_3.2.8_all.deb
+ dpkg -i fai-client_3.2.8_all.deb fai-server_3.2.8_all.deb fai-doc_3.2.8_all.deb
+
+or check out the link:http://www.informatik.uni-koeln.de/fai/[FAI-homepage] for
+further details.
+
+I've problems with the build process. How to start debugging?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Check out the logs inside /var/log/fai/... If you don't have the time to debug
+the problem in further detail or don't know how to proceed just send a copy of
+your config, logs and the commandline with a short problem description to
+<mika@grml.org>:
+
+ # history | grep grml-live > /etc/grml/grml_live.cmdline
+ # tar zcf grml_live_problem.tar.gz /etc/grml/grml-live.conf \
+ /etc/grml/grml-buildd.conf /var/log/fai /etc/grml/fai
+
+Can I use my own (local) Debian mirror?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Sure. Just adjust the variables GRML_LIVE_SOURCES and FAI_DEBOOTSTRAP (if not
+already using NFSROOT's base.tgz) inside /etc/grml/grml-live.conf according to
+your needs. Please don't forget that you should use the grml servers as well
+(see default configuration) so all the grml packages can be downloaded as well.
+
+If you want to use a local (for example NFS mount) mirror additionally, just
+adjust MIRROR_DIRECTORY and MIRROR_SOURCES inside /etc/grml/grml-live.conf as
+well.
+
+Unless you specify GRML_LIVE_SOURCES and/or FAI_DEBOOTSTRAP the default from
+/etc/grml/fai/apt/sources.list and /etc/grml/fai/make-fai-nfsroot.conf will be
+taken. If you customise the variables in /etc/grml/grml-live.conf then the two
+files will be adjusted during runtime automatically.
+
+If MIRROR_DIRECTORY and MIRROR_SOURCES are specified the local mirror will be
+taken as first entry in the generated sources.list so it's prefered over
+non-local mirrors. Using a fallback mirror (via providing several mirrors in
+GRML_LIVE_SOURCES as used by default) is a recommended setting.
+
+How do I add additional Debian package(s) to my CD/ISO?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Just create a new class (using the package_config directory):
+
+ # cat > /etc/grml/fai/config/package_config/MIKA << EOF
+ PACKAGES aptitude
+
+ vim
+ another_name_of_a_debian_package
+ and_another_one
+ EOF
+
+and specify it when invoking grml-live then:
+
+ # grml-live -c GRMLBASE,GRML_SMALL,I386,MIKA
+
+I fscked up my grml-live configuration. How do I reset it to the defaults?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Notice: this deletes all your grml-live configuration files. If that's really
+what you are searching for just run:
+
+ rm -rf /etc/grml/fai /etc/grml/grml-live.conf
+ dpkg -i --force-confnew --force-confmiss /path/to/grml-live_..._all.deb
+
+[NOTE]
+
+If you don't control your /etc using a version control system (VCS) yet it's a
+good chance to start using it now. Check out
+link:http://michael-prokop.at/blog/2007/03/14/maintain-etc-with-mercurial-on-debian/[http://michael-prokop.at/blog/2007/03/14/maintain-etc-with-mercurial-on-debian/]
+for more details how to maintain /etc using the mercurial VCS.
+
+How do I create a base.tgz for use as NFSROOT?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+First of all build the chroot system:
+
+ mkdir /tmp/nfsroot && cd /tmp/nfsroot
+ debootstrap lenny /tmp/nfsroot/ http://ftp.de.debian.org/debian
+ tar zcf base.tgz ./
+
+Then check out where your NFSROOT is located:
+
+ # grep '^NFSROOT' /etc/grml/fai/make-fai-nfsroot.conf
+ NFSROOT=/grml/fai/nfsroot
+
+So as /grml/fai/nfsroot is your NFSROOT place the file under
+/grml/fai/nfsroot/live/filesystem.dir/var/tmp/:
+
+ mv base.tgz /grml/fai/nfsroot/live/filesystem.dir/var/tmp/base.tgz
+
+or even better use /etc/grml/fai/config/basefiles/$CLASSNAME.tar.gz instead.
+Use I386 as $CLASSNAME for i386 builds and AMD64 for amd64 builds.
+
+Now running "grml-live ..." will use this file as main system instead of
+executing debootstrap. Check out the output for the following lines if using
+NFSROOT:
+
+ [...]
+ Calling task_extrbase
+ Unpacking Debian base archive
+ Extracting /grml/fai/nfsroot/live/filesystem.dir/var/tmp/base.tgz
+ Calling task_mirror
+ [...]
+
+or if using /etc/grml/fai/config/basefiles/$CLASSNAME.tar.gz for:
+
+ [...]
+ ftar: extracting /etc/grml/fai/config/basefiles///AMD64.tar.gz to
+ /grml-live/grml-live_20071029.22138/grml_chroot//
+ [...]
+
+Set up apt-cacher / apt-cacher-ng for use with grml-live
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Make sure /etc/grml/grml-live.conf provides according GRML_LIVE_SOURCES and
+FAI_DEBOOTSTRAP:
+
+ # cat /etc/grml/grml-live.conf
+ [...]
+ GRML_LIVE_SOURCES="
+ deb http://localhost:3142/deb.grml.org grml-stable main
+ deb http://localhost:3142/deb.grml.org grml-testing main
+ deb http://localhost:3142/ftp.de.debian.org/debian lenny main contrib non-free
+ "
+ [...]
+ FAI_DEBOOTSTRAP="lenny http://localhost:3142/ftp.de.debian.org/debian lenny main contrib non-free"
+
+Make sure apt-cacher / apt-cacher-ng is running ('/etc/init.d/apt-cacher
+restart' or '/etc/init.d/apt-cacher-ng restart'). That's it. All downloaded
+files will be cached in /var/cache/apt-cacher/ or /var/cache/apt-cacher-ng then.
+
+Set up approx for use with grml-live
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Make sure /etc/grml/grml-live.conf provides according GRML_LIVE_SOURCES and
+FAI_DEBOOTSTRAP:
+
+ # cat /etc/grml/grml-live.conf
+ [...]
+ GRML_LIVE_SOURCES="
+ deb http://localhost:9999/grml grml-stable main
+ deb http://localhost:9999/grml grml-testing main
+ deb http://localhost:9999/debian lenny main contrib non-free
+ "
+ FAI_DEBOOTSTRAP="lenny http://localhost:9999/debian"
+
+Configure approx:
+
+ # cat /etc/approx/approx.conf
+ [...]
+ debian http://ftp.at.debian.org/debian
+ grml http://deb.grml.org/
+
+Don't forget to restart approx (/etc/init.d/approx restart). That's it.
+All downloaded files will be cached in /var/cache/approx now.
+
+I've a question which isn't answered by this document
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Don't hesitate to ask on IRC (channel #grml on irc.freenode.org) or just drop me
+a mail: <mika@grml.org>
+
+Download / install grml-live as a Debian package
+------------------------------------------------
+
+Debian packages are available through the grml-repository at
+link:http://deb.grml.org/pool/main/g/grml-live/[deb.grml.org]. If you want to
+build a Debian package on your own (using for example a specific version or the
+current development tree), just execute:
+
+ git clone git://git.grml.org/grml-live
+ cd grml-live
+ debuild -us -uc
+
+Source
+------