Gallium composition

On April 1, I went to The Hague to buy me a laptop system. Not just 'A laptop', but a second hand laptop computer that would be barely fast enough for the lot of us. It had to fill the gap between many desktop systems in remote locations and the living room which was not contaminated by processing power.

We managed to buy one at http://www.nowthatsit.nl, a very nice shop which used to be at 10 minutes walking from "Hollands Spoor" railway station in The Hague, but now is at one hour walking from the nearest streetcar stop, after 1.5 hours in the train. The specs are as follows:

Property	Value	Unit
Brand	Dell CPi A366XT
Processor	Mobile Intel Pentium II
Frequency	366	Megahertz
Linux	Slackware 9.1
RAM	128	Megabytes
Drives	/dev/hda = 4.6 GB HDD /dev/hdc = CD ROM /dev/fd0 = FDD (on a seperate cable)
Ethernet	Xircom BE 100	Mbps
IP address	192.168.56.31
Running since	April 2006

Below, you will find the contents of the most important files for the old Gallium. These files are important for all computers and the settings are extremely hardware dependent. Read the files and use the things you want to try out on your machine.

/dev/hda1        swap             swap        defaults         		0   0
/dev/hda2        /                reiserfs    defaults         		1   1
/dev/cdrom       /mnt/cdrom       iso9660     noauto,owner,ro,users  	0   0
/dev/fd0         /mnt/floppy      auto        noauto,owner     		0   0
devpts           /dev/pts         devpts      gid=5,mode=620   		0   0
proc             /proc            proc        defaults         		0   0

#
# hosts		This file describes a number of hostname-to-address
#		mappings for the TCP/IP subsystem.  It is mostly
#		used at boot time, when no name servers are running.
#		On small systems, this file can be used instead of a
#		"named" name server.  Just add the names, addresses
#		and any aliases to this file...
#
# By the way, Arnt Gulbrandsen <agulbra@nvg.unit.no> says that 127.0.0.1
# should NEVER be named with the name of the machine.  It causes problems
# for some (stupid) programs, irc and reputedly talk. :^)
#

# For loopbacking.
127.0.0.1		localhost

192.168.56.99		proton.fruttenboel 	proton

192.168.56.1		hydrogen.fruttenboel	hydrogen
192.168.56.3		lithium.fruttenboel	lithium
192.168.56.4		beryllium.fruttenboel	Be
192.168.56.8		oxygen.fruttenboel	oxygen
192.168.56.10		neon.fruttenboel	neon 
192.168.56.108		scandium.fruttenboel	scandium
192.168.56.31		gallium.fruttenboel 	gallium

# End of hosts.

#
# hosts.allow	This file describes the names of the hosts which are
#		allowed to use the local INET services, as decided by
#		the '/usr/sbin/tcpd' server.
#
# Version:	@(#)/etc/hosts.allow	1.00	05/28/93
#
# Author:	Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
#
#

# End of hosts.allow.

#
# hosts.deny	This file describes the names of the hosts which are
#		*not* allowed to use the local INET services, as decided
#		by the '/usr/sbin/tcpd' server.
#
# Version:	@(#)/etc/hosts.deny	1.00	05/28/93
#
# Author:	Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
#
#

# End of hosts.deny.

As of Slackware 9, the internet functions are defined and steup in a different way. rc.inet1 is a script and the details are specified in rc.inet1.conf.

#! /bin/sh
# /etc/rc.d/rc.inet1
# This script is used to bring up the various network interfaces.
#
# @(#)/etc/rc.d/rc.inet1 9.1 Tue Aug 26 13:34:58 PDT 2003 (pjv)

############################
# READ NETWORK CONFIG FILE #
############################

# Get the configuration information from /etc/rc.d/rc.inet1.conf:
. /etc/rc.d/rc.inet1.conf

######################
# LOOPBACK FUNCTIONS #
######################

# Function to bring up the loopback interface.  If loopback is
# already up, do nothing.
lo_up() {
  if grep lo: /proc/net/dev 1> /dev/null ; then
    if ! /sbin/ifconfig | grep "^lo" 1> /dev/null ; then
      /sbin/ifconfig lo 127.0.0.1
      /sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
    fi
  fi
}

# Function to take down the loopback interface:
lo_down() {
  if grep lo: /proc/net/dev 1> /dev/null ; then
    /sbin/ifconfig lo down
  fi
}

######################
# ETHERNET FUNCTIONS #
######################

# Function to bring up an Ethernet interface.  If the interface is
# already up or does not yet exist (perhaps because the kernel driver
# is not loaded yet), do nothing.
eth_up() {
  # If the interface isn't in the kernel yet (but there's an alias for it in
  # modules.conf), then it should be loaded first:
  if ! grep eth${1}: /proc/net/dev 1> /dev/null ; then # no interface yet
    if /sbin/modprobe -c | grep -w "alias eth${1}" | grep -vw "alias eth${1} off" > /dev/null ; then
      /sbin/modprobe eth${1}
    fi
  fi
  if grep eth${1}: /proc/net/dev 1> /dev/null ; then # interface exists
    if ! /sbin/ifconfig | grep "eth${1} " 1> /dev/null ; then # interface not up    
      if [ "${USE_DHCP[$1]}" = "yes" ]; then # use DHCP to bring interface up
        if [ ! "${DHCP_HOSTNAME[$1]}" = "" ]; then
          /sbin/dhcpcd -t 10 -h ${DHCP_HOSTNAME[$1]} -d eth${1}
        else
          /sbin/dhcpcd -t 10 -d eth${1}
        fi
      else # bring up interface using a static IP address
        if [ ! "${IPADDR[$1]}" = "" ]; then # skip unconfigured interfaces
          # Determine broadcast address from the IP address and netmask:
          BROADCAST=`/bin/ipmask ${NETMASK[$1]} ${IPADDR[$1]} | cut -f 1 -d ' '`
          # Set up the ethernet card:
          echo "Configuring eth${1}:"
          echo "/sbin/ifconfig eth${1} ${IPADDR[$1]} broadcast ${BROADCAST} netmask ${NETMASK[$1]}"
          /sbin/ifconfig eth${1} ${IPADDR[$1]} broadcast ${BROADCAST} netmask ${NETMASK[$1]}
        else
          if [ "$DEBUG_ETH_UP" = "yes" ]; then
            echo "eth${1} interface is not configured in /etc/rc.d/rc.inet1.conf"
          fi
        fi
      fi
    else
      if [ "$DEBUG_ETH_UP" = "yes" ]; then
        echo "eth${1} is already up, skipping"
      fi
    fi 
  else
    if [ "$DEBUG_ETH_UP" = "yes" ]; then
      echo "eth${1} interface does not exist (yet)"
    fi
  fi
}

# Function to take down an Ethernet interface:
eth_down() {
  if grep eth${1}: /proc/net/dev 1> /dev/null ; then
    if [ "${USE_DHCP[$1]}" = "yes" ]; then
      /sbin/dhcpcd -k -d eth${1}
      sleep 1
    else
      /sbin/ifconfig eth${1} down
    fi
  fi
}

#####################
# GATEWAY FUNCTIONS #
#####################

# Function to bring up the gateway if there is not yet a default route:
gateway_up() {
  if ! /sbin/route | grep "^default" 1> /dev/null ; then
    if [ ! "$GATEWAY" = "" ]; then
      /sbin/route add default gw ${GATEWAY} metric 1
    fi
  fi
}

# Function to take down an existing default gateway:
gateway_down() {
  if /sbin/route | grep "^default" 1> /dev/null ; then
    /sbin/route del default
  fi
}

############
### MAIN ###
############

case "$1" in
'start') # "start" brings up all available interfaces:
  lo_up
  eth_up 0
  eth_up 1
  eth_up 2
  eth_up 3
  gateway_up
  ;;
'stop') # "stop" takes down all existing interfaces:
  gateway_down
  eth_down 3
  eth_down 2
  eth_down 1
  eth_down 0
  lo_down
  ;;
*) # The default is to bring up all interfaces:
  lo_up
  eth_up 0
  eth_up 1
  eth_up 2
  eth_up 3
  gateway_up
esac

# End of /etc/rc.d/rc.inet1

# /etc/rc.d/rc.inet1.conf
#
# This file contains the configuration settings for network interfaces.
# If USE_DHCP[interface] is set to "yes", this overrides any other settings.
# If you don't have an interface, leave the settings null ("").

# Config information for eth0:
IPADDR[0]="192.168.56.31"
NETMASK[0]="255.255.255.0"
USE_DHCP[0]=""
DHCP_HOSTNAME[0]=""

# Config information for eth1:
IPADDR[1]=""
NETMASK[1]=""
USE_DHCP[1]=""
DHCP_HOSTNAME[1]=""

# Config information for eth2:
IPADDR[2]=""
NETMASK[2]=""
USE_DHCP[2]=""
DHCP_HOSTNAME[2]=""

# Config information for eth3:
IPADDR[3]=""
NETMASK[3]=""
USE_DHCP[3]=""
DHCP_HOSTNAME[3]=""

# Default gateway IP address:
GATEWAY="192.168.56.99"

# Change this to "yes" for debugging output to stdout.  Unfortunately,
# /sbin/hotplug seems to disable stdout so you'll only see debugging output
# when rc.inet1 is called directly.
DEBUG_ETH_UP="no"

# LILO configuration file
# generated by 'liloconfig'
#
# Start LILO global section
boot = /dev/hda
#compact        # faster, but won't work on all systems.
#prompt
#timeout = 5
# VESA framebuffer console @ 1024x768x256
vga = 773
# Normal VGA console
# vga = normal
# VESA framebuffer console @ 1024x768x64k
# vga=791
# VESA framebuffer console @ 1024x768x32k
# vga=790
# VESA framebuffer console @ 1024x768x256
# vga=773
# VESA framebuffer console @ 800x600x64k
# vga=788
# VESA framebuffer console @ 800x600x32k
# vga=787
# VESA framebuffer console @ 800x600x256
# vga=771
# VESA framebuffer console @ 640x480x64k
# vga=785
# VESA framebuffer console @ 640x480x32k
# vga=784
# VESA framebuffer console @ 640x480x256
# vga=769
# ramdisk = 0     # paranoia setting
# End LILO global section
# Linux bootable partition config begins
image = /boot/vmlinuz
  root = /dev/hda2
  label = Slackware
  read-only # Non-UMSDOS filesystems should be mounted read-only for checking
# Linux bootable partition config ends

search fruttenboel
nameserver 192.168.56.99

#!/bin/sh
#
# /etc/rc.d/rc.local:  Local system initialization script.
#
# Put any local setup commands in here:

OK, now I told just about anything that is specific and that can be hairy when your machine will not boot upto an inlog prompt. If your system uses a comparable Linux, these settings might help.
System settings are so machine specific that I cannot help you, unless you happen to live around the corner. If that is the case, this magic number '5012' should ring a bell. If the number is just a number to you, please find someone near your place to help you out.

Page created on April 7, 2006 and

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