{
    TString hostname = gSystem->HostName();
    if (hostname.Contains("isdc"))
    {
        gSystem->Load("/usr/lib64/libz.so");
    }
    // a bit of sugar for myself ... feel free to add your personal settings here:-)
    else if (hostname.Contains("neiseLenovo"))
    {
        gSystem->Load("/usr/lib/libz.so");
    }
    else if (hostname.Contains("factcontrol"))
    {
        gSystem->Load("/usr/lib/libz.so");
    }
    else if (hostname.Contains("grolsch"))
    {
        gSystem->Load("/usr/lib/i386-linux-gnu/libz.so");
    }
    else if (hostname.Contains("max-K50AB"))
    {
        gSystem->Load("/usr/lib/x86_64-linux-gnu/libz.so");
    }
    else if (hostname.Contains("watz"))
    {
        gSystem->Load("/usr/lib/x86_64-linux-gnu/libz.so");
    }
    gROOT->ProcessLine(".L extern_Mars_mcore/izstream.h+O");
    gROOT->ProcessLine(".L fits.h+O");
    gROOT->ProcessLine(".L extern_Mars_mcore/zfits.h+O");
    gROOT->ProcessLine(".L extern_Mars_mcore/factfits.h+O");
    gROOT->ProcessLine(".L calfactfits.h+O");
}