Sound Shock Wave Approaching

Ok, it’s not the newest of news, but I only just saw this for the first time this morning. It appears to me the eruption cloud itself is even faster than sound as you can see the shock wave overtake it early in the eruption as the cloud rises. Easy maths challenge for the partners: How …

md5deep and finding duplicate files

I did this in several steps: create an md5 dump of the files system in question. For this I used my favourite command line tool `md5deep`, sort the file based on file size then md5 hash (sorted from largest to smallest), and remove entries that are not duplicate entries. Although this could be completed in …