This is a common occurrence where you receive at least one rejection email with the following Message Delivery Status (or Subsystem), as a result of sending it to a problematic or non-existing address. So to check if an address actually exists or ‘receives’ mail you could simply send an email to that address (with the ‘delivery notification’ flag active) […]
How to check if an email address exists an is reachable Read More »
While using your RaspberryPi intensively, you may find yourself in an unfortunate situation where the X server fails to boot up. There may be several causes: a crash, deletion of system files, or a failed update. In all cases, when starting up, you would see an error like the one below, which notifies us of the failure to start
How to replace the Debian desktop on RaspberryPi Read More »
A sparse file is a type of file in which we try to efficiently occupy the file system space in cases where the file is mostly empty. The advantage of sparse files is that the physical space in the file system is only allocated when it is actually needed: therefore you save space and you can create
Create sparse files with any length in Windows and Linux Read More »
