Install Various Utilities

Make sure the following utilities are available on all your hosts:

• unzip

• telnet

On Debian-based Linux machines, you can easily install these by entering the following commands:

# apt-get install unzip
# apt-get install telnet

You may also find it useful to install an SSH server on all your hosts so that you can easily switch sessions and copy files between them. On Debian-based Linux machines, you can do this as follows:

# apt-get install openssh-server