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![David Howells](/assets/img/avatar_default.png)
The module signing script (sign-file) used to be a wrapper around the openssl program. It has now been replaced by a C program that uses the crypto library from the OpenSSL package meaning that the OpenSSL devel packages are necessary to provide the devel library link and the header files. This would be openssl-devel on Fedora and libssl-dev on Debian. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: James Morris <james.l.morris@oracle.com>
410 lines
12 KiB
Text
410 lines
12 KiB
Text
Intro
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=====
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This document is designed to provide a list of the minimum levels of
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software necessary to run the 3.0 kernels.
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This document is originally based on my "Changes" file for 2.0.x kernels
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and therefore owes credit to the same people as that file (Jared Mauch,
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Axel Boldt, Alessandro Sigala, and countless other users all over the
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'net).
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Current Minimal Requirements
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============================
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Upgrade to at *least* these software revisions before thinking you've
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encountered a bug! If you're unsure what version you're currently
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running, the suggested command should tell you.
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Again, keep in mind that this list assumes you are already functionally
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running a Linux kernel. Also, not all tools are necessary on all
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systems; obviously, if you don't have any ISDN hardware, for example,
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you probably needn't concern yourself with isdn4k-utils.
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o GNU C 3.2 # gcc --version
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o GNU make 3.80 # make --version
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o binutils 2.12 # ld -v
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o util-linux 2.10o # fdformat --version
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o module-init-tools 0.9.10 # depmod -V
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o e2fsprogs 1.41.4 # e2fsck -V
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o jfsutils 1.1.3 # fsck.jfs -V
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o reiserfsprogs 3.6.3 # reiserfsck -V
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o xfsprogs 2.6.0 # xfs_db -V
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o squashfs-tools 4.0 # mksquashfs -version
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o btrfs-progs 0.18 # btrfsck
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o pcmciautils 004 # pccardctl -V
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o quota-tools 3.09 # quota -V
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o PPP 2.4.0 # pppd --version
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o isdn4k-utils 3.1pre1 # isdnctrl 2>&1|grep version
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o nfs-utils 1.0.5 # showmount --version
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o procps 3.2.0 # ps --version
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o oprofile 0.9 # oprofiled --version
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o udev 081 # udevd --version
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o grub 0.93 # grub --version || grub-install --version
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o mcelog 0.6 # mcelog --version
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o iptables 1.4.2 # iptables -V
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o openssl & libcrypto 1.0.1k # openssl version
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Kernel compilation
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==================
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GCC
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---
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The gcc version requirements may vary depending on the type of CPU in your
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computer.
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Make
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----
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You will need GNU make 3.80 or later to build the kernel.
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Binutils
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--------
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Linux on IA-32 has recently switched from using as86 to using gas for
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assembling the 16-bit boot code, removing the need for as86 to compile
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your kernel. This change does, however, mean that you need a recent
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release of binutils.
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Perl
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----
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You will need perl 5 and the following modules: Getopt::Long, Getopt::Std,
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File::Basename, and File::Find to build the kernel.
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BC
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--
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You will need bc to build kernels 3.10 and higher
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OpenSSL
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-------
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Module signing and external certificate handling use the OpenSSL program and
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crypto library to do key creation and signature generation.
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You will need openssl to build kernels 3.7 and higher if module signing is
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enabled. You will also need openssl development packages to build kernels 4.3
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and higher.
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System utilities
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================
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Architectural changes
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---------------------
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DevFS has been obsoleted in favour of udev
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(http://www.kernel.org/pub/linux/utils/kernel/hotplug/)
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32-bit UID support is now in place. Have fun!
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Linux documentation for functions is transitioning to inline
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documentation via specially-formatted comments near their
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definitions in the source. These comments can be combined with the
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SGML templates in the Documentation/DocBook directory to make DocBook
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files, which can then be converted by DocBook stylesheets to PostScript,
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HTML, PDF files, and several other formats. In order to convert from
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DocBook format to a format of your choice, you'll need to install Jade as
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well as the desired DocBook stylesheets.
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Util-linux
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----------
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New versions of util-linux provide *fdisk support for larger disks,
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support new options to mount, recognize more supported partition
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types, have a fdformat which works with 2.4 kernels, and similar goodies.
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You'll probably want to upgrade.
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Ksymoops
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--------
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If the unthinkable happens and your kernel oopses, you may need the
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ksymoops tool to decode it, but in most cases you don't.
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It is generally preferred to build the kernel with CONFIG_KALLSYMS so
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that it produces readable dumps that can be used as-is (this also
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produces better output than ksymoops). If for some reason your kernel
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is not build with CONFIG_KALLSYMS and you have no way to rebuild and
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reproduce the Oops with that option, then you can still decode that Oops
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with ksymoops.
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Module-Init-Tools
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-----------------
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A new module loader is now in the kernel that requires module-init-tools
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to use. It is backward compatible with the 2.4.x series kernels.
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Mkinitrd
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--------
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These changes to the /lib/modules file tree layout also require that
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mkinitrd be upgraded.
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E2fsprogs
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---------
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The latest version of e2fsprogs fixes several bugs in fsck and
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debugfs. Obviously, it's a good idea to upgrade.
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JFSutils
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--------
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The jfsutils package contains the utilities for the file system.
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The following utilities are available:
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o fsck.jfs - initiate replay of the transaction log, and check
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and repair a JFS formatted partition.
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o mkfs.jfs - create a JFS formatted partition.
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o other file system utilities are also available in this package.
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Reiserfsprogs
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-------------
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The reiserfsprogs package should be used for reiserfs-3.6.x
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(Linux kernels 2.4.x). It is a combined package and contains working
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versions of mkreiserfs, resize_reiserfs, debugreiserfs and
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reiserfsck. These utils work on both i386 and alpha platforms.
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Xfsprogs
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--------
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The latest version of xfsprogs contains mkfs.xfs, xfs_db, and the
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xfs_repair utilities, among others, for the XFS filesystem. It is
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architecture independent and any version from 2.0.0 onward should
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work correctly with this version of the XFS kernel code (2.6.0 or
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later is recommended, due to some significant improvements).
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PCMCIAutils
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-----------
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PCMCIAutils replaces pcmcia-cs. It properly sets up
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PCMCIA sockets at system startup and loads the appropriate modules
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for 16-bit PCMCIA devices if the kernel is modularized and the hotplug
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subsystem is used.
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Quota-tools
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-----------
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Support for 32 bit uid's and gid's is required if you want to use
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the newer version 2 quota format. Quota-tools version 3.07 and
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newer has this support. Use the recommended version or newer
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from the table above.
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Intel IA32 microcode
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--------------------
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A driver has been added to allow updating of Intel IA32 microcode,
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accessible as a normal (misc) character device. If you are not using
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udev you may need to:
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mkdir /dev/cpu
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mknod /dev/cpu/microcode c 10 184
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chmod 0644 /dev/cpu/microcode
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as root before you can use this. You'll probably also want to
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get the user-space microcode_ctl utility to use with this.
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udev
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----
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udev is a userspace application for populating /dev dynamically with
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only entries for devices actually present. udev replaces the basic
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functionality of devfs, while allowing persistent device naming for
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devices.
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FUSE
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----
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Needs libfuse 2.4.0 or later. Absolute minimum is 2.3.0 but mount
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options 'direct_io' and 'kernel_cache' won't work.
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Networking
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==========
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General changes
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---------------
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If you have advanced network configuration needs, you should probably
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consider using the network tools from ip-route2.
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Packet Filter / NAT
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-------------------
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The packet filtering and NAT code uses the same tools like the previous 2.4.x
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kernel series (iptables). It still includes backwards-compatibility modules
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for 2.2.x-style ipchains and 2.0.x-style ipfwadm.
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PPP
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---
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The PPP driver has been restructured to support multilink and to
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enable it to operate over diverse media layers. If you use PPP,
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upgrade pppd to at least 2.4.0.
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If you are not using udev, you must have the device file /dev/ppp
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which can be made by:
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mknod /dev/ppp c 108 0
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as root.
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Isdn4k-utils
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------------
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Due to changes in the length of the phone number field, isdn4k-utils
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needs to be recompiled or (preferably) upgraded.
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NFS-utils
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---------
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In ancient (2.4 and earlier) kernels, the nfs server needed to know
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about any client that expected to be able to access files via NFS. This
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information would be given to the kernel by "mountd" when the client
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mounted the filesystem, or by "exportfs" at system startup. exportfs
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would take information about active clients from /var/lib/nfs/rmtab.
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This approach is quite fragile as it depends on rmtab being correct
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which is not always easy, particularly when trying to implement
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fail-over. Even when the system is working well, rmtab suffers from
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getting lots of old entries that never get removed.
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With modern kernels we have the option of having the kernel tell mountd
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when it gets a request from an unknown host, and mountd can give
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appropriate export information to the kernel. This removes the
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dependency on rmtab and means that the kernel only needs to know about
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currently active clients.
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To enable this new functionality, you need to:
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mount -t nfsd nfsd /proc/fs/nfsd
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before running exportfs or mountd. It is recommended that all NFS
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services be protected from the internet-at-large by a firewall where
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that is possible.
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mcelog
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------
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On x86 kernels the mcelog utility is needed to process and log machine check
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events when CONFIG_X86_MCE is enabled. Machine check events are errors reported
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by the CPU. Processing them is strongly encouraged.
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Getting updated software
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========================
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Kernel compilation
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******************
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gcc
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---
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o <ftp://ftp.gnu.org/gnu/gcc/>
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Make
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----
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o <ftp://ftp.gnu.org/gnu/make/>
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Binutils
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--------
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o <ftp://ftp.kernel.org/pub/linux/devel/binutils/>
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OpenSSL
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-------
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o <https://www.openssl.org/>
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System utilities
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****************
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Util-linux
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----------
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o <ftp://ftp.kernel.org/pub/linux/utils/util-linux/>
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Ksymoops
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--------
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o <ftp://ftp.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
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Module-Init-Tools
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-----------------
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o <ftp://ftp.kernel.org/pub/linux/kernel/people/rusty/modules/>
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Mkinitrd
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--------
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o <https://code.launchpad.net/initrd-tools/main>
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E2fsprogs
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---------
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o <http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.29.tar.gz>
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JFSutils
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--------
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o <http://jfs.sourceforge.net/>
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Reiserfsprogs
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-------------
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o <http://www.kernel.org/pub/linux/utils/fs/reiserfs/>
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Xfsprogs
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--------
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o <ftp://oss.sgi.com/projects/xfs/>
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Pcmciautils
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-----------
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o <ftp://ftp.kernel.org/pub/linux/utils/kernel/pcmcia/>
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Quota-tools
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----------
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o <http://sourceforge.net/projects/linuxquota/>
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DocBook Stylesheets
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-------------------
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o <http://sourceforge.net/projects/docbook/files/docbook-dsssl/>
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XMLTO XSLT Frontend
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-------------------
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o <http://cyberelk.net/tim/xmlto/>
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Intel P6 microcode
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------------------
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o <https://downloadcenter.intel.com/>
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udev
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----
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o <http://www.freedesktop.org/software/systemd/man/udev.html>
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FUSE
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----
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o <http://sourceforge.net/projects/fuse>
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mcelog
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------
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o <http://www.mcelog.org/>
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Networking
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**********
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PPP
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---
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o <ftp://ftp.samba.org/pub/ppp/>
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Isdn4k-utils
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------------
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o <ftp://ftp.isdn4linux.de/pub/isdn4linux/utils/>
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NFS-utils
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---------
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o <http://sourceforge.net/project/showfiles.php?group_id=14>
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Iptables
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--------
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o <http://www.iptables.org/downloads.html>
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Ip-route2
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---------
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o <https://www.kernel.org/pub/linux/utils/net/iproute2/>
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OProfile
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--------
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o <http://oprofile.sf.net/download/>
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NFS-Utils
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---------
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o <http://nfs.sourceforge.net/>
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