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 »
There are many tools to check the health of hard drives, which detect S.M.A.R.T. diagnostic data and report if there are any deterioration or other problems. SMART stands for “Self Monitoring Analysis and Reporting Technology” and works only if supported/enabled by BIOS/UEFI. Many times this data has to be taken with precaution, since a ‘passed’ test does not …
How to verify disc health with a smart control (HDD-SSD) 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 »
Facebook has long since introduced facial recognition of photographs to facilitate TAG activity for users. This means that when you add a photo with friends/parents/etc… the system recognises their faces directly in the photo and suggests the tags to insert. Obviously the function is two-way, as your acquaintances will also be able to tag you by suggestion. If you want to disable this feature, and thus prevent Facebook scripts from analyzing other people’s photos by looking for your face, you can do the following: On Facebook, at the top, next to the padlock symbol, there is a small arrow pointing downwards, click on it and go to ‘Settings’. In the new page that opens, from the left panel go to ‘Journal and added tags’ go to the ‘How do I manage people’s added tags and tag suggestions’ section …
Quite often you may find yourself in the situation of having to uninstall an antivirus from your PC, either to put a different one or just because you no longer need to renew it. It is quite common that uninstalls of anti-virus software leave files on our system and do not completely erase all the …
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 »
A practical list with the most used connection strings divided into categories: Microsoft SQL Server 20xx STANDARD SECURITY Server=myServerAddress;Database=myDataBase;User Id=myUsername; Password=myPassword; TRUSTED CONNECTION Server=myServerAddress;Database=myDataBase;Trusted_Connection=True; CONNECTION TO AN INSTANCE Server=myServerName\myInstanceName;Database=myDataBase;User Id=myUsername; Password=myPassword; CONNECTION VIA IP ADDRESS Data Source=190.190.200.100,1433;Network Library=DBMSSOCN; Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword; ASYNCHRONOUS PROCESSING Server=myServerAddress;Database=myDataBase;Integrated Security=True; Asynchronous Processing=True; WITH MARS (Multiple Access Result Set) Server=myServerAddress;Database=myDataBase;Trusted_Connection=True; MultipleActiveResultSets=true; Access STANDARD SECURITY Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myFolder\myAccessFile.accdb; …
Connection strings for databases, a practical list with categories Read More »
