This is my first post, and I'm a 2-day-new Linux user. I've been lucky so far with installing popular programs so far. I've successfully installed Firefox and GIMP from the terminal, using apt-get install.
I installed Ubuntu Server, but also KDE GUI since I'm new and wanted the familiar environment to settle my nerves.
Now I'm trying to set up Big Sister as an SNMP monitor, which suggests a slew of utilities be installed before installing Big Sister "her"self

.
I'm maybe confused about installation terminology in the first place, but my understanding is I should be able to compile the GD tar.gz by pointing the interface to the folder containing the extracted file-structure and opening the terminal window at that directory.
I followed the directions to type:
which checks for features....
Here's where I'm stuck
The next step indicates that I should be able to simply type
to compile the package,
and then
to install the package.
When I type
I get the resulting feed-back:
cd . && aclocal-1.9 -I config
/bin/bash: aclocal-1.9: command not found
make: *** [aclocal.m4] Error 127
I'm at a loss as to how to continue. Any clues or suggestions would be greatly appreciated.