def METHOD_NAME(self):
    """MCR install procedure using 'install' command."""
    src = os.path.join(self.cfg['start_dir'], 'install')
    # make sure install script is executable
    adjust_permissions(src, stat.S_IXUSR)
    # make sure $DISPLAY is not defined, which may lead to (hard to trace) problems
    # this is a workaround for not being able to specify --nodisplay to the install scripts
    if 'DISPLAY' in os.environ:
        os.environ.pop('DISPLAY')
    if '_JAVA_OPTIONS' not in self.cfg['preinstallopts']:
        java_options = 'export _JAVA_OPTIONS="%s" && ' % self.cfg['java_options']
        self.cfg['preinstallopts'] = java_options + self.cfg['preinstallopts']
    configfile = "%s/%s" % (self.builddir, self.configfilename)
    cmd = "%s ./install -v -inputFile %s %s" % (self.cfg['preinstallopts'], configfile, self.cfg['installopts'])
    run_cmd(cmd, log_all=True, simple=True)