How-To fix Sophos Central Endpoint “Installation Failed” on macOS Sierra

October 17th, 2017
Sophos Central Endpoint Installation Failed

“Installation Failed. Contact your computer system administrator or Sophos Technical Support for further assistance.”

If you get this error while trying to (re)install Sophos Endpoint or even Sophos Home and in /var/log/install.log you see something like:

out for The Journey Of Dreams

February 22nd, 2015

The Journey Of DreamsYou might have noticed that I haven’t been partucurlay active on marcomc.com in the last two years.
Do not worry! MarcoMC.com is nod dead.
I have recently left the United Kingdom on my Harley and I have started this amasing adventure called The Journey Of Dreams.org which will help me to make come true the most of my lifetime dreams and help other to achieve the same.

How-To unlock MAGIC-SIM stuck in DUAL-MODE (007) on an iPhone 6

January 12th, 2015

The MAGIC-SIM DUAL-MODE (aka 007 mode) is not working well on any iPhone model.
Once activated it will take away the `STK menu` from your SIM Applications list with no apparent way to roll back to normality. At this point the MAGIC-SIM is practically useless.

How-To Add A Reset Button To A Raspberry Pi Model A and B Rev 1

May 22nd, 2013

Here are the instructions to create a Reset Button for your RaspberryPi Rev.1 which can also ‘wake’ the RPi from halt/shutdown state.

How-To Create An Encrypted DMG File From Command-Line in OSX

May 21st, 2013

You can create an secure encrypted DMG disk image from the command-line in Mac OS X using ‘hdiutil’, type the following instrcution in the Terminal application:

How-To Install an Apple (Wireless and USB) Keyboard in Windows 7

February 15th, 2013

I recently discovered a new small utility that helps to use a Apple Keyboard and most of its special ‘Fn’ keys with Windows.

How-To order a GiffGaff Nano SIM from Nanogaff

February 7th, 2013

Nanogaff is a community-powerds distribution system for GiffGaff Nano SIM cards.
This is the link where you can order your Nano SIM: http://nanosim.giffgaffapps.com

How-To fix the GPG error: “The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY”

February 6th, 2013

These are the few command-line instruction to fix the GPG Error (NO_PUBKEY) that may appear when trying to run the ‘apt-get update’ command on a APT based system:

Virgin vs BT vs Sky: Fibre Optic Broadband Comparison for UK 2013

January 18th, 2013


I produced this schema in January 2013 for my own use as I am finally moving to a Fibre Optic covered area.

iPhone Replacement Fees: Express Replacement Service

November 3rd, 2012

If your iPhone is or is NOT under warranty, Apple still provides the option to replace the device for specific fees, depending on the model.
You will have to pay in any case an ERS Fee (Express Replacement Service fee, like an excess fee for any insurance) an in case your device is not under warranty you will have to pay an Out-Of-Warranty service fee.