Setting up an Intranet on Local Machine

1. apt-get install dhcp
2. apt-get install bind (answer no to question)
3. apt-get install ipmasq (answer no to both questions)
4. Copy Tim's config files mambo:/home/mtim/configs to your local machine.
5. Disconnect from network that you are currently connected.
   Note: Only run this when connected to a network where you are the sysadmin.
6. Edit /etc/network/interfaces:
   
   Copy from Tim's config files everything for "##External localnet"
   

    Example:
         ## External localnet
     iface eth0:1 inet static
     pre-up ifconfig eth0 up
     address   10.0.29.12
     netmask   255.255.255.0
     network   10.0.29.0
     broadcast 10.0.29.255
   # gateway   10.0.29.2
     up /etc/init.d/bind start
     up /usr/sbin/dhcpd -q eth0
     down /etc/init.d/dhcp stop
     down /etc/init.d/bind stop
   	    

7. Copy tim's dhcpd.conf file to /etc/.
   
   Change all "apollo" names to name of your computer
   Change all "mars" names to name of your local intranet (anything you want)
   Change all calls to 10.0.29... to 10.0.{number greater than 29}
8. Copy tim's named.conf file to /etc/bind/.
   
   Change all "mars" names to name of your local intranet (same as above)
   Change calls to 29 (at end of file) to number you selected above for IP address
9. Copy tim's mars.hosts and mars.rev to /etc/bind/{intranet_name}.{hosts|rev}
   
   Edit both files:
   Change all "apollo" names to name of your computer
   Change all "mars" names to name of your local intranet (name selected before)
   Change all calls to 10.0.29... to 10.0.{number selected before}
   Note: You should set the following lines to an ending IP number (ie. 10.0.xx.{std_ip_for_your_machine} that you are used to being assigned.
   

   @	IN	NS	apollo.mars.
   @	IN	A	10.0.29.37 ;
   ;
   apollo	IN	A	10.0.29.37 ;
   	    

10. Edit /etc/init.d/dhcp
    
    Change run_dhcpd=1 instead of 0
11. Edit /etc/hosts
    
    Add line with the ip you specified for your machine and computer_name.intranet_name
    Example: 10.0.50.29 apollo.mars
12. Reconfigure Kernel:
    
    cd /usr/src/linux
    run: make menuconfig
    Select "Networking Options"
    Make sure the following are selected:
    • Packet Socket
    • Network firewalls
    • Socket Filtering
    • Unix domain sockets
    • TCP/IP networking
    • IP: firewalling
    • IP: transparent proxy support
    • IP: masquerading
    • IP: ICMP masquerading
    • IP: masquerading special modules support
    • Next 3 (EXPERMENTAL) lines should have an ""
    • IP: aliasing support
    • IP: Allow large windows...
    
    
    Select "Exit", "Exit", "Save kernel Configuration"
13. Run: make bzlilo
14. Run: make modules
15. Run: make modules_install
16. Run: update-rc.d -f dhcpd remove
17. Run: update-rc.d -f ipmasq remove
18. Run: update-rc.d -f bind remove
19. Restart
20. Run: ifup eth0:1
21. Run: ifconfig (this makes sure you have the interfaces running...if not call Tim!)
22. Run pppd
23. The next few commands are a little shaky (check with Tim)
    • Run '/etc/init.d/ipmasq stop'
    • Run 'ipmasq'
    • Note: Do this step if you set up your ppp to have a dynamic DNS. If unsure, run pppconfig as root and go to advanced options of your ppp connection. If you want you can set the ppp connection to have a static DNS set it to the IP of your local machine. Otherwise... do the following when you log on.
      Edit /etc/resolve.conf
      Remove one of the 'nameserver' lines and edit the other to have the IP address that you assigned for your local machine

Helpful Hints:

• If you cannot reconnect to your ISP properly, try stopping and starting 'ipmasq'. (as root run: 1. '/etc/init.d/ipmasq stop' 2. 'ipmasq' )
• If panel buttons don't work when loggen on through ppp, try adding yourself to the "dialout" and "dip" groups, and run ppp as yourself instead of root

To log back on to normal network

1. Run: ifdown eth0:1
   Make sure dhcp is down before continuing!!!
   'ps -fe | grep dh' to check
2. Connect to Network
3. Run: ifup eth0:1