Tomorrow is gonna be fun for anyone in charge of requisitions.

There's gonna be a bunch of SRE teams asking for lockpicks, crowbars, hydraulic rescue tools, chainsaws, and some breaching shotguns

new SRE exercise:
imagine all the digital locks have broken and are keeping you out, and you can't connect in via the network.

how long until you get a console on the main servers?
now figure out how much money you'd lose being down for that long. Multiply out hours-of-downtime by money-per-hour.
There's your budget for designing Creative Solutions to bypass all your security
Although before you go trying to kick down doors:
Remember that doors are secured between the uprights and aren't as easy to smash open as movies might lead you to believe.
But the wall next to the door is probably just drywall and a little insulation.
drywall is also pretty cheap to repair.
I should ask the lockpickinglawyer in a week or two if they saw an uptick in sales after today
but yeah. if you're an SRE, please at least think about the problem.
If you have digital locks, where can you update them from? is it inside the place protected by the locks? How do you fix it if they break?
even if the answer has to be "we'd break down this door and then angle-grinder off that lock", you should at least have made that plan in advance when it's not an emergency.
Document where the crowbar and angle grinder is. What's the phone number for the locksmith?
AND REMEMBER TO MAKE SURE THAT DOCUMENT IS STORED SOMEWHERE YOU'LL DEFINITELY BE ABLE TO GET TO

like, print it out and put it next to the door. Don't put it on your internal wiki, you may not be able to get to that!
I'm happy to do contract work as an SRE advisor. it's pretty simple. I ask you "how do you get to the server" and every time you mention a system, I nod and go "and what if that is down?"

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I'll begin with the ancient history ... and it goes way back. Because modern humans - and before that, the ancestors of humans - almost certainly originated in Ethiopia. 🇪🇹 (sub-thread):


The first likely historical reference to Ethiopia is ancient Egyptian records of trade expeditions to the "Land of Punt" in search of gold, ebony, ivory, incense, and wild animals, starting in c 2500 BC 🇪🇹


Ethiopians themselves believe that the Queen of Sheba, who visited Israel's King Solomon in the Bible (c 950 BC), came from Ethiopia (not Yemen, as others believe). Here she is meeting Solomon in a stain-glassed window in Addis Ababa's Holy Trinity Church. 🇪🇹


References to the Queen of Sheba are everywhere in Ethiopia. The national airline's frequent flier miles are even called "ShebaMiles". 🇪🇹
A THREAD ON @SarangSood

Decoded his way of analysis/logics for everyone to easily understand.

Have covered:
1. Analysis of volatility, how to foresee/signs.
2. Workbook
3. When to sell options
4. Diff category of days
5. How movement of option prices tell us what will happen

1. Keeps following volatility super closely.

Makes 7-8 different strategies to give him a sense of what's going on.

Whichever gives highest profit he trades in.


2. Theta falls when market moves.
Falls where market is headed towards not on our original position.


3. If you're an options seller then sell only when volatility is dropping, there is a high probability of you making the right trade and getting profit as a result

He believes in a market operator, if market mover sells volatility Sarang Sir joins him.


4. Theta decay vs Fall in vega

Sell when Vega is falling rather than for theta decay. You won't be trapped and higher probability of making profit.