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Bug#610526: Preseed: Debian Installer ignores hostname parameter



Hello Matthew,

Am 20.01.2011 02:16, schrieb Matthew Palmer:
> I'm having some trouble reproducing your bug report.
> 
> Here are the exact steps I took:
> 
> 1) Download the mini.iso from
> http://mirror.internode.on.net/pub/debian/dists/lenny/main/installer-i386/20090123lenny8/images/netboot/
> (other mirrors should have the same; md5sum is
> 1f497d52bb97c03810d3e87d8ecf5d94)
> 
> 2) Boot the installer ISO in a KVM VM
> 
> 3) At the graphical isolinux boot screen, press TAB and add 'hostname=basic'
> to the end of the command line
> 
> (I can't use priority=critical because I need to set a local Debian mirror,
> and auto=true just asks for a preseed file -- which I don't have because you
> haven't provided it)
> 
> 4) Manually configure the network (I disabled my DHCP server so that it
> wouldn't provide a hostname) with an IP address that doesn't reverse resolve
> (to avoid hostname being overridden via rDNS)
> 
> 5) When it asks to configure the mirror, drop into a console and verify that
> the temporary environment has the right hostname with cat /etc/hostname
> 
> 6) Let the installation proceed, automatically partitioning the disk and
> setting up some dummy users
> 
> 7) When it comes to installing grub, drop back to a console and verify that
> the target environment has the right hostname with cat /target/etc/hostname
> 
> 8) Complete the install, reboot, note that the booted system has the correct
> hostname.
> 
> Now, I know that a number of things are different between your report and my
> method of reproduction, but they *should* (big emphasis there) be irrelevant
> to how the hostname is preseeded.  Obviously one of them isn't irrelevant,
> so we need to work out what it is.
> 
> Things to check:
> 
> * The kernel and initrd you're booting with; can I get the md5sums of them
>   and where you got them from?

i am using the file "debian-multi_5.0.7.iso" from one of the official
Debian mirrors and have not changed the initrd. I only modified the file
"isolinux/txt.cfg" to choose a specific preseed config.

> * Booting without a preseed file... it's possible that your preseed file is
>   doing something hinky, so if you *must* test with a preseed file, we'll
>   need a copy of it.

Of course. Here ist my little preseed config. But exact the same file
worked with Debian 5.0.6 and also works with Debian 6.x.x.

> * Dropping priority=critical for the purposes of testing would be
>   good, too, to keep things consistent and to rule it out (although early
>   testing showed that /etc/hostname had the right value in it).

During the whole installation process the file "target/etc/hostname"
hast the content "unassinged-hostname" and the dhcp of virtualbox does
not offer any hostnames.

Regards, Dennis
#### Contents of the preconfiguration file (for lenny)
### Localization
# Locale sets language and country.
d-i debian-installer/locale string de_DE.UTF-8

# Keyboard selection.
#d-i console-tools/archs select at
d-i console-keymaps-at/keymap select de-latin1-nodeadkeys
# Example for a different keyboard architecture
#d-i console-keymaps-usb/keymap select mac-usb-us

### Network configuration
# netcfg will choose an interface that has link if possible. This makes it
# skip displaying a list if there is more than one interface.
d-i netcfg/choose_interface select auto

# To pick a particular interface instead:
#d-i netcfg/choose_interface select eth1

# If you have a slow dhcp server and the installer times out waiting for
# it, this might be useful.
#d-i netcfg/dhcp_timeout string 60

# If you prefer to configure the network manually, uncomment this line and
# the static network configuration below.
#d-i netcfg/disable_dhcp boolean true

# If you want the preconfiguration file to work on systems both with and
# without a dhcp server, uncomment these lines and the static network
# configuration below.
#d-i netcfg/dhcp_failed note
#d-i netcfg/dhcp_options select Configure network manually

# Static network configuration.
#d-i netcfg/get_nameservers string 192.168.1.1
#d-i netcfg/get_ipaddress string 192.168.1.42
#d-i netcfg/get_netmask string 255.255.255.0
#d-i netcfg/get_gateway string 192.168.1.1
#d-i netcfg/confirm_static boolean true

# Any hostname and domain names assigned from dhcp take precedence over
# values set here. However, setting the values still prevents the questions
# from being shown, even if values come from dhcp.
d-i netcfg/get_hostname string unassigned-hostname
d-i netcfg/get_domain string unassigned-domain

# Disable that annoying WEP key dialog.
d-i netcfg/wireless_wep string
# The wacky dhcp hostname that some ISPs use as a password of sorts.
#d-i netcfg/dhcp_hostname string radish

# If non-free firmware is needed for the network or other hardware, you can
# configure the installer to always try to load it, without prompting. Or
# change to false to disable asking.
#d-i hw-detect/load_firmware boolean true

### Network console
# Use the following settings if you wish to make use of the network-console
# component for remote installation over SSH. This only makes sense if you
# intend to perform the remainder of the installation manually.
#d-i anna/choose_modules string network-console
#d-i network-console/password password r00tme
#d-i network-console/password-again password r00tme

### Mirror settings
# If you select ftp, the mirror/country string does not need to be set.
#d-i mirror/protocol string ftp
d-i mirror/country string manual
d-i mirror/http/hostname string ftp.de.debian.org
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string

# Suite to install.
#d-i mirror/suite string testing
# Suite to use for loading installer components (optional).
#d-i mirror/udeb/suite string testing

### Clock and time zone setup
# Controls whether or not the hardware clock is set to UTC.
d-i clock-setup/utc boolean true

# You may set this to any valid setting for $TZ; see the contents of
# /usr/share/zoneinfo/ for valid values.
d-i time/zone string Europe/Berlin

# Controls whether to use NTP to set the clock during the install
d-i clock-setup/ntp boolean true
# NTP server to use. The default is almost always fine here.
#d-i clock-setup/ntp-server string ntp.example.com

### Partitioning
# If the system has free space you can choose to only partition that space.
#d-i partman-auto/init_automatically_partition select biggest_free

# Alternatively, you can specify a disk to partition. The device name must
# be given in traditional non-devfs format.
# Note: A disk must be specified, unless the system has only one disk.
# For example, to use the first SCSI/SATA hard disk:
d-i partman-auto/disk string /dev/?da
# In addition, you'll need to specify the method to use.
# The presently available methods are: "regular", "lvm" and "crypto"
d-i partman-auto/method string lvm
d-i partman-auto-lvm/new_vg_name string vg0

# If one of the disks that are going to be automatically partitioned
# contains an old LVM configuration, the user will normally receive a
# warning. This can be preseeded away...
d-i partman-lvm/device_remove_lvm boolean true
# The same applies to pre-existing software RAID array:
d-i partman-md/device_remove_md boolean true
# And the same goes for the confirmation to write the lvm partitions.
d-i partman-lvm/confirm boolean true

# You can choose one of the three predefined partitioning recipes:
# - atomic: all files in one partition
# - home:   separate /home partition
# - multi:  separate /home, /usr, /var, and /tmp partitions
#d-i partman-auto/choose_recipe select atomic

# Or provide a recipe of your own...
# The recipe format is documented in the file devel/partman-auto-recipe.txt.
# If you have a way to get a recipe file into the d-i environment, you can
# just point at it.
#d-i partman-auto/expert_recipe_file string /hd-media/recipe

# If not, you can put an entire recipe into the preconfiguration file in one
# (logical) line. This example creates a small /boot partition, suitable
# swap, and uses the rest of the space for the root partition:
d-i partman-auto/expert_recipe string                         \
      basic ::                                                \
              256 256 256 ext3                                \
                      $primary{ } $bootable{ }                \
                      method{ format } format{ }              \
                      use_filesystem{ } filesystem{ ext3 }    \
                      mountpoint{ /boot }                     \
              .                                               \
              1536 1536 1536 linux-swap                       \
                      $lvmok{ }                               \
                      lv_name{ swap }                         \
                      method{ swap } format{ }                \
              .                                               \
              5120 5120 5120 ext3                             \
                      $lvmok{ }                               \
                      lv_name{ root }                         \
                      method{ lvm } format{ }                 \
                      use_filesystem{ } filesystem{ ext3 }    \
                      mountpoint{ / }                         \
              .                                               \
              2048 2048 2048 ext3                             \
                      $lvmok{ }                               \
                      lv_name{ var }                          \
                      method{ lvm } format{ }                 \
                      use_filesystem{ } filesystem{ ext3 }    \
                      mountpoint{ /var }                      \
              .                                               \
              1024 2048 1000000000 ext3                       \
                      $defaultignore{ }                       \
                      $lvmok{ }                               \
                      lv_name{ dummy }                        \
                      method{ lvm }                           \
              .

# This makes partman automatically partition without confirmation, provided
# that you told it what to do using one of the methods above.
d-i partman/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true

### Base system installation
# Select the initramfs generator used to generate the initrd for 2.6 kernels.
#d-i base-installer/kernel/linux/initramfs-generators string yaird

# The kernel image (meta) package to be installed; "none" can be used if no
# kernel is to be installed.
#d-i base-installer/kernel/image string linux-image-2.6-486

### Account setup
# Skip creation of a root account (normal user account will be able to
# use sudo).
#d-i passwd/root-login boolean false
# Alternatively, to skip creation of a normal user account.
#d-i passwd/make-user boolean false

# Root password, either in clear text
#d-i passwd/root-password password r00tme
#d-i passwd/root-password-again password r00tme
# or encrypted using an MD5 hash.
d-i passwd/root-password-crypted password _foobar_

# To create a normal user account.
d-i passwd/user-fullname string Credativ GmbH
d-i passwd/username string credativ
# Normal user's password, either in clear text
#d-i passwd/user-password password insecure
#d-i passwd/user-password-again password insecure
# or encrypted using an MD5 hash.
d-i passwd/user-password-crypted password _foobar_
# Create the first user with the specified UID instead of the default.
#d-i passwd/user-uid string 1010

# The user account will be added to some standard initial groups. To
# override that, use this.
#d-i passwd/user-default-groups string audio cdrom video

### Apt setup
# You can choose to install non-free and contrib software.
d-i apt-setup/non-free boolean true
d-i apt-setup/contrib boolean true
# Uncomment this if you don't want to use a network mirror.
#d-i apt-setup/use_mirror boolean false
# Select which update services to use; define the mirrors to be used.
# Values shown below are the normal defaults.
#d-i apt-setup/services-select multiselect security, volatile
#d-i apt-setup/security_host string security.debian.org
#d-i apt-setup/volatile_host string volatile.debian.org

# Additional repositories, local[0-9] available
#d-i apt-setup/local0/repository string \
#       http://local.server/debian stable main
#d-i apt-setup/local0/comment string local server
# Enable deb-src lines
#d-i apt-setup/local0/source boolean true
# URL to the public key of the local repository; you must provide a key or
# apt will complain about the unauthenticated repository and so the
# sources.list line will be left commented out
#d-i apt-setup/local0/key string http://local.server/key

# By default the installer requires that repositories be authenticated
# using a known gpg key. This setting can be used to disable that
# authentication. Warning: Insecure, not recommended.
#d-i debian-installer/allow_unauthenticated string true

### Package selection
tasksel tasksel/first multiselect standard
# If the desktop task is selected, install the kde and xfce desktops
# instead of the default gnome desktop.
#tasksel tasksel/desktop multiselect kde, xfce

# Individual additional packages to install
#d-i pkgsel/include string openssh-server build-essential
# Whether to upgrade packages after debootstrap.
# Allowed values: none, safe-upgrade, full-upgrade
#d-i pkgsel/upgrade select none

# Some versions of the installer can report back on what software you have
# installed, and what software you use. The default is not to report back,
# but sending reports helps the project determine what software is most
# popular and include it on CDs.
popularity-contest popularity-contest/participate boolean false

### Boot loader installation
# Grub is the default boot loader (for x86). If you want lilo installed
# instead, uncomment this:
#d-i grub-installer/skip boolean true
# To also skip installing lilo, and install no bootloader, uncomment this
# too:
#d-i lilo-installer/skip boolean true

# This is fairly safe to set, it makes grub install automatically to the MBR
# if no other operating system is detected on the machine.
d-i grub-installer/only_debian boolean true

# This one makes grub-installer install to the MBR if it also finds some other
# OS, which is less safe as it might not be able to boot that other OS.
d-i grub-installer/with_other_os boolean true

# Alternatively, if you want to install to a location other than the mbr,
# uncomment and edit these lines:
#d-i grub-installer/only_debian boolean false
#d-i grub-installer/with_other_os boolean false
#d-i grub-installer/bootdev  string (hd0,0)
# To install grub to multiple disks:
#d-i grub-installer/bootdev  string (hd0,0) (hd1,0) (hd2,0)

# Optional password for grub, either in clear text
#d-i grub-installer/password password r00tme
#d-i grub-installer/password-again password r00tme
# or encrypted using an MD5 hash, see grub-md5-crypt(8).
#d-i grub-installer/password-crypted password [MD5 hash]

# Use the following option to add additional boot parameters for the
# installed system (if supported by the bootloader installer).
# Note: options passed to the installer will be added automatically.
d-i debian-installer/add-kernel-opts string vga=791

### Finishing up the installation
# During installations from serial console, the regular virtual consoles
# (VT1-VT6) are normally disabled in /etc/inittab. Uncomment the next
# line to prevent this.
#d-i finish-install/keep-consoles boolean true

# Avoid that last message about the install being complete.
d-i finish-install/reboot_in_progress note

# This will prevent the installer from ejecting the CD during the reboot,
# which is useful in some situations.
#d-i cdrom-detect/eject boolean false

# This is how to make the installer shutdown when finished, but not
# reboot into the installed system.
#d-i debian-installer/exit/halt boolean true
# This will power off the machine instead of just halting it.
#d-i debian-installer/exit/poweroff boolean true

### Preseeding other packages
# Depending on what software you choose to install, or if things go wrong
# during the installation process, it's possible that other questions may
# be asked. You can preseed those too, of course. To get a list of every
# possible question that could be asked during an install, do an
# installation, and then run these commands:
#   debconf-get-selections --installer > file
#   debconf-get-selections >> file


#### Advanced options
### Running custom commands during the installation
# d-i preseeding is inherently not secure. Nothing in the installer checks
# for attempts at buffer overflows or other exploits of the values of a
# preconfiguration file like this one. Only use preconfiguration files from
# trusted locations! To drive that home, and because it's generally useful,
# here's a way to run any shell command you'd like inside the installer,
# automatically.

# This first command is run as early as possible, just after
# preseeding is read.
#d-i preseed/early_command string anna-install some-udeb

# This command is run just before the install finishes, but when there is
# still a usable /target directory. You can chroot to /target and use it
# directly, or use the apt-install and in-target commands to easily install
# packages and run commands in the target system.
d-i preseed/late_command string \
   in-target lvremove -f /dev/vg0/dummy;

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