For SLE 11 SP4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ghostlyrat/SLE_11_SP4/home:ghostlyrat.repo
zypper refresh
zypper install gkrellm
For SLE 11 SP2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ghostlyrat/SLE_11_SP2/home:ghostlyrat.repo
zypper refresh
zypper install gkrellm
For SLE 11 SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ghostlyrat/SLE_11_SP1/home:ghostlyrat.repo
zypper refresh
zypper install gkrellm
For SLE-11 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ghostlyrat/SLE-11_SP3/home:ghostlyrat.repo
zypper refresh
zypper install gkrellm