xDSL and Linux: Go Speed Racer! - page 4
Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
Typically, the Linux user is able to configure most things from a command
line or script. Often configuration utilities like
Slackware 7.0 and
LinuxConf in Mandrake 7.0 make such
configuration quite easy and painless.
Using your favorite utility, simply choose your appropriate hostname of your machine, the network to which it belongs, and any other details required of the utility. Most utilities will automatically restart the network for you and allow you to see your assigned IP address by typing :
If you are unsure as to what tool to use, consult the HOW-TOs and other documentation on your system or available in various books.
Security is an issue when dealing with xDSL. If you are the system administrator and would like to script a simple control mechanism for your Internet-connected server or workstation, consider and modify to taste the following script. This script forces a new election of IP address on your machine, which can add to the security of your machine by making addresses a little more difficult to pin down.
# Name: renet
# Author: Nicholas Donovan <email@example.com)
# Function: resets the IP by bumping a request from DHCPCD
# remove the old information
rm /etc/dhcpc/dhcpcd-eth0.cache - f
rm /etc/dhcpc/dhcpcd-eth0.info - f
# kill the runtime PID reference
rm /var/run/dhcpcd-eth0.pid - f
# request a new IP from server...
echo "making new DHCP request..."
# if changed properly tell it then pipe to log file...
echo "(dhcpcd) IP address changed to $1" | logger
# Display the new IP
echo "Your new DHCP address is:"
# End of Script
chmod 744 this script and place it into the
As the administrator, you can add this command to your cron jobs that run on a regular basis and change this IP as often as desired.
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- 1. Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
- 2. Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
- 3. Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
- 4. Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
- 5. Don't Let the Man Keep You Down: Grab the Power of DSL for Linux
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