Useful tips for everyday
Does kernel update require reboot? With versions of Linux before 4.0, when the kernel is updated via a patch, the system needs to reboot. This…
What does set variable do? Sets the value of a variable. Creates the variable if one with the requested name does not exist. What is…
How do you write a simple character driver? chmod a+r+w /dev/mydev this application is writing hello to device and reading same from device. save this…
What can someone do with external IP address? What can people do with your IP? Someone can get your location and intrude on your privacy…
How do I connect Bluetooth to Kali Linux? I am pretty sure it is installed but…. In the new window that opens, click into Other…
Is Ubuntu based on Debian unstable? 3 Answers. It’s true technically that Ubuntu LTS is based on a snapshot of Debian Testing whereas other Ubuntu…
How to return a value in a certain range? Select a blank cell, enter formula =VLOOKUP (E2,A2:C8,3, TRUE) into the Formula Bar and then press…
How do I check if my disk is healthy? Open the Disk Utility and choose “First Aid,” then “Verify Disk.” A window will appear showing…
Why is my hard drive making noises? Hard drives have moving parts and when things move, they often create sound. Typically, hard drives will make…
How does the NHS Test and Trace service contact me? If the NHS Test and Trace service contacts you, the service will use text messages,…