NAME

       ltsp-update-image - generate an NBD image from an LTSP chroot

SYNOPSIS

       ltsp-update-image [OPTION] [CHROOT...]

DESCRIPTION

       Generates  a compressed squashfs NBD image from an LTSP chroot and exports it with nbd-server. Chroot can
       be a full path or a subdirectory of the LTSP base directory, and it defaults to the host architecture  if
       unset.

OPTIONS

       -b, --base[=PATH]
              The LTSP base directory Defaults to /opt/ltsp if unspecified.

       -c, --cleanup
              Temporarily remove user accounts, logs, caches etc from the chroot before exporting the image. The
              chroot arch is required to be compatible with the server arch.

       -e, --exclude[=LIST]
              List    of    dirs/files    to    exclude    from   the   image.    This   is   in   addition   to
              /etc/ltsp/ltsp-update-image.excludes.

       -f, --config-nbd
              Generate appropriate nbd-server configuration files.  It's automatically set if NFS isn't used  or
              if other LTSP generated nbd-server configuration files already exist.

       -h, --help
              Displays the ltsp-update-image help message.

       -m, --no-compress
              Don't compress the generated image.

       -n, --no-backup
              Don't backup chroot.img to chroot.img.old.

       -r, --revert
              Swap chroot.img with chroot.img.old and update kernels.

       --version
              Output version information and exit.

FILES

       /etc/ltsp/<tool>.conf:  Upon  execution  the  tool  will  read  a configuration file to override built-in
       defaults.

       Values are NAME="VALUE" pairs, with # representing commented lines.  most  commandline  options  have  an
       equivalent.  an  example  Debian  based  system  with  an  alternate  base  location,  architecture,  and
       distribution:

        # set alternate default location for ltsp chroot (--base)
        BASE="/srv/ltsp"
        # build an amd64 chroot by default (--arch)
        ARCH="amd64"
        # build a Debian sid environment (--dist)
        DIST="sid"

       /etc/ltsp/ltsp-server.conf: Each LTSP server tool will read a generic configuration file.  This  file  is
       typically used for setting BASE, TFTP_DIRS and TFTP_BOOT_DIR. These settings are overwritten by those set
       in specific tool configs.

AVAILABILITY

       Part   of   the   ltsp   package   and   the   latest   versions   are  available  in  source  form  from
       https://launchpad.net/products/ltsp.

AUTHOR

       Autogenerated from the script source code with help2man. Distributed under the terms of the  GNU  General
       Public License version 2 or any later version.

REPORTING BUGS

       Report bugs to https://bugs.launchpad.net/ltsp.

SEE ALSO

       ltsp-build-client(8), ltsp-update-kernels(8), ltsp-update-sshkeys(8), mksquashfs(1), nbd-server(1)

ltsp-update-image 5.5.1-1ubuntu2                   April 2014                               LTSP-UPDATE-IMAGE(8)