One cold day many years ago, I received a call and answered. Me: Yes? the other party: frrrufhf (undefined noises) me: who is this? can't hear you? The other party: frrufhfhf (undefined noises). I decided to end the call. The fog outside the window became thicker and the phone rang again: Me: yes? the other party: frrrufhfhf (undefined noises), we are company xx, we need a network technician, can you come in? we are hung up, the network keeps going down on Wednesdays. As if there were ghosts and then it starts again. Me: I asked for various indications and details, this company was new to us and we couldn't intervene without indications The other party gave us all the necessary directions and off we went. We arrived like the ghostbusters in the film, ready to catch these ghosts. It was cold that day, there was a lot of fog. The company was small and the rack was horrifying. Unmarked cables, randomly placed, no rules. We tried to investigate and despite all the mismanagement, the problem only occurred for about 10 minutes on Wednesday mornings. We decided to return the following Wednesday, analysing the network and trying to understand. Suddenly, a clap of thunder jolted us, it was raining hard outside, but the net still held. Suddenly: total darkness. The net was down. We immediately went to the rack room and found the ghost of Wednesday: the cleaning lady. Yes, that's her. Every Wednesday morning he cleaned the offices and broke into the rack. He would unplug the first socket of the power strip to plug in his hoover. The first socket obviously powered the switch. After a while, there was an overall reorganisation of the rack room, with new meraki machines and obviously also a rack key, to prevent any 'ghosts' from opening and unplugging anything.
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