This little function opens an interactive shell on a computing node with a given amount of memory.

getInteractiveJob.sh

function getInteractiveJob (){
    MEMLIM=1000
    DEFAULTSHELL=$(which bash)
    if [[ ! -z "${1}" ]]; then 
        MEMLIM=$(( $1 * 1000 ))
    fi

    # Submitting a request to get interactive shell:
    bsub -M${MEMLIM} -R"select[mem>${MEMLIM}] rusage[mem=${MEMLIM}]" -Ip "${DEFAULTSHELL}"
}