29 Oct
                
                    2020
                
            
            
                29 Oct
                
                '20
                
            
            
            
        
    
                3:55 p.m.
            
        + private def set_kernel_version + self["kernel_version"] ||= "default" + end
It might be easier to just leave it empty if user want the default kernel. What do you think? if $kernel_version not set or empty vmlinuz else vmlinuz-$kernel_version Thanks, Fengguang