This is typically caused by one of the following two issues.
Gnetload is by default installed with prefix
/usr/local. Some Gnome installations do
not recognize applets installed with this prefix. Installing
gnetload with prefix set to /usr
instead typically solves this issue. This is done by adding
the parameter --prefix=/usr when
configuring gnetload for your system. That is, run
./configure --prefix=/usr instead of
./configure
Otherwise, it may be that the gnome panel has not discovered that
gnetload has been installed. Try restarting your panel,
eg. by killing it or logging out and in again.
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