Fix “no signature key” in Ubuntu/Debian

Trying to update an Ubuntu 16.04 but was failing constantly because no signature key was there as you can see from the following warning:

Looking at the error above, apt is telling us that the following keys are missing: 40976EAF437D05B5 and 3B4FE6ACC0B21F32.   Notice that these are listed multiple times. Each unique key will…

MAMP Error – Unable to load dynamic library redis.so

I'm at the end of my patients, God knows what was update, MAMP or Brew or something else but I ended with this nasty error for Redis integration:

Whaaat was that? Ok, I know I don't have the redis library or php is not able to load dynamically the library therefore  I fixed this couple…

Wildcards in Linux

The shell feature that makes these commands so powerful is - Wildcards. Because the shell uses file- names so much, it provides special characters to help you rapidly specify groups of filenames. These special characters are called wildcards. Using wildcards (also known as globbing) allows you to select filenames based on patterns of characters.  …