Useful tips for everyday
Why does gpg not ask for passphrase? gpg caches the passphrase used for symmetric encryption so that a decrypt operation may not require that the…
What is deviation in performance testing? Definition: The Standard Deviation is a measure of how response time is spread out around the Mean. Simply say,…
How do you rm a folder? Deleting or removing directories (rmdir command) To empty and remove a directory, type the following: rm mydir/* mydir/.* rmdir…
How do you transmit a signal? The receiver picks up the waves with its antenna or aerial and turns the electric signal back into sound…
Does promiscuous mode work on WIFI? Monitor mode only applies to wireless networks, while promiscuous mode can be used on both wired and wireless networks.…
How do I get my cat to stay off the keyboard? Make the surface around the keyboard sticky to the touch to keep your cat…
What is seasonal index and how do we forecast seasonality? A seasonal index is a measure of how a particular season through some cycle compares…
What is the difference between CA and certificate? While Self-Signed certificates do offer encryption, they offer no authentication and that’s going to be a problem…
How do I change the keyboard name on my Mac Catalina? System Preferences > Bluetooth. Find your keyboard device in the left pane, select it,…
How do you drive a high side and channel Mosfet? Thus, the gate drive is referenced to ground. So by applying a voltage of >7V…