You may have obtained my password, but you can’t type it like me! This could be the summary of the excellent article, titled Identify and verify users based on how they type by Nathan Harrington, which demonstrates how it is possible to enhance a computer system’s security by using a special algorithm which, in addition [...]

In my opinion, the biggest problem of the tar format (‘ustar‘) is that it does not store the checksums of the files it contains. So, in order to be able to verify the contents of the tar archive, you either need to keep the original data on the hard drive and compare the archive contents [...]

A few days ago, I had decided to revise my data backup methods, so to be able to easily recover as much data as possible after a partial corruption of the medium, a DVD that is, on which the data has been stored. I should clarify that by corruption I by no means include the [...]