Linux Kernel 2.6 variants for Buffalo Linkstation/KuroBox/HG/HS/Terastation | hvkls.dyndns.org

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• Overview

  On Variants

  While most users want the 'standard kernel', some will need a variant. So, what are variants? Variants are optional, user selectable, 'flavors' or additions, of or to my (Andrés) standard kernels for the Buffalo PPC models LS1, HG, HS, KuroBox, KuroHG, or Terastation. What are they technically? Variants are installation instructions to by my kernel package download and installation tool, the webinstaller. Who needs them? Read on and decide for yourself.

  Selecting Variants for Installation

  Multiple selections are possible; if your selection leads to conflicts, the webinstaller will resolve them for you.

• headers

  Description

  The kernel headers are only useful for developers. They are needed to build custom kernel modules (drivers). 'Joe User' won't need them.

  Installation

  touch /boot/variant-headers

  Then run the webinstaller to download or install the selected software.

• latest

  Description

  Forces the selection of the latest flavor, overriding the webinstaller's own, very reliable automatic detection.

  This is the Linux upstream kernel.

  Development has come to an end with the upstream change to 2.6.26, the final version is v118.

  Installation

  touch /boot/variant-latest

  Then run the webinstaller to download or install the selected software.

• legacy

  Description

  Forces the selection of the legacy flavor, overriding the webinstaller's own, very reliable automatic detection.

  This is former kernel_universal/PPC (default).

  legacy versions are no longer actively maintained; also in terms of security.

  The version below can be installed with the webinstaller, and is the maintainer's (André's) current legacy choice for anyone with problems with the latest kernel package:
  v117

  Installation

  touch /boot/variant-legacy

  Then run the webinstaller to download or install the selected software.

  Older legacy versions can only be installed manually, as follows. Use the webinstaller's 'dry run' mode to identify the required components; then download and install one of the following releases from the archives directory manually (tar -C / -xvzf *tar.gz). Note: Older Terastations used to require -hg kernels, which is no longer the case.
  v112
  v103
  v96
  Due to Linux upstream security concerns, pre-v96 kernel packages had to be removed from this server.

  A special variant-nfs is available alternatively; there are still security updates to it.

• nfs

  Description

  obsolete

  NFS-optimized kernel 2.6.18 based on Debian Etch sources.

  Provides NFS speeds > 8192, which kernels >= 2.6.19 seem to fail to do. Useful not only for DBox2 recordings.

  Installation

  touch /boot/variant-nfs
touch /boot/variant-legacy

  Then run the webinstaller to download or install the selected software.

  If your system should not be detected correctly, follow the directions on the variants us or ug.

• notmp

  Description

  Forces the use of /kernel-inst instead of /tmp/kernel-inst as the temporary directory.

  While this makes the initial installation on systems with five-minute-reboot cycles easier, there are possible side-effects on upgrades.

  Installation

  touch /boot/variant-notmp

  Then run the webinstaller to download or install the selected software.

  Run

  rm -r /boot/variant-notmp /kernel-inst

  as soon as your initial installation is complete!

• rtc

  Description

  obsolete

  The webinstaller will disable the obsolete rtc variant rule for you, if present on your system.

  If you used chrony's rtc option in the past, you must disable it. You risk to fill your root file system with log entries!

  Installation

  obsolete

• tera

  Experimental Code Warning

  variant-tera is experimental!

  Description

  obsolete

  Forces Terastation flavor selection, overriding the webinstaller's own, very reliable automatic detection.

  Prerequisites

  You need non-RAID, non-Serial ATA mass storage media hardware with an ext3 file system, set up in /etc/fstab, as a complete, alternate root file system.

  Recommended, example /etc/fstab setup line

  /dev/hdb1 /mnt/kernel ext3 defaults,noatime,nodiratime 0 0

  Installation

  To install into the standard location /mnt/kernel, run:
  echo -n "" > /boot/variant-tera

  To install into a different location /mnt/myway, run:
  echo -n "/mnt/myway" > /boot/variant-tera

  Edit /etc/default/boot_new.sh_local, uncomment and adjust the followig parameters, as in the example given:
  BOOTLOADERARGS=' cmdline="root=/dev/dev/hdb1" '
DISK="/dev/hdb1" # must be set up in /etc/fstab, mounting to $DISK_MNT, and match $BOOTLOADERARGS
DISK_MNT="/mnt/kernel" # no trailing slashes; "/boot" is appended automatically to $DISK_MNT

  On Debian Etch, install mvo's updated lm-sensor packages manually. I recommend to run apt-get install lm-sensors, and install Marko's packages with dpkg -i *deb thereafter.

  Then run the webinstaller to download or install the selected software.

  Caveat

  Beware of bugs in the above code; I have only proved it correct, not tried it. — Donald E. Knuth

• uboot

  Description

  U-Boot compatible kernel in uImage format; will be installed as /boot/vmlinux.UBootPPC, symlinked as /boot/vmlinux.UBoot and /boot/uImage, and comes with matching /boot/*.dtb files. All of these files are required, do not remove any of them.

  Earlier versions contained /boot/vmlinux.UBoot{LS,HG} symlinks.

  Installation

  touch /boot/variant-uboot

  Then run the webinstaller to download or install the selected software.

• ug

  Description

  Forces HG/KuroHG/HS[/Tera] flavor selection, overriding the webinstaller's own, very reliable automatic detection.

  This variant improves compatibility for example with custom 2.4 kernels.

  Retained for backwards-compatibility.

  Installation

  touch /boot/variant-ug

  Then run the webinstaller to download or install the selected software.

• us

  Description

  Forces LS1/Kuro flavor selection, overriding the webinstaller's own, very reliable automatic detection.

  This variant improves compatibility for example with custom 2.4 kernels.

  Retained for backwards-compatibility.

  Installation

  touch /boot/variant-us

  Then run the webinstaller to download or install the selected software.

http://hvkls.dyndns.org/downloads/documentation/README-kernel-variants.html