* Posts by Timo

459 publicly visible posts • joined 26 Sep 2007

Page:

Your datacenter's power architecture called. It's not happy

Timo
Flame

this will shift the power losses around

Increasing the supply voltage 10x will reduce the current by 10x and the (I^2 *R) loss by 100x, which is what you've shown.

But current computing equipment doesn't run on 800V, so somewhere in the chain there will need to be power converters or power supplies to get the voltage levels down to usable levels. These power converters will need to be extremely efficient to minimize that conversion loss that will also come out as heat. Go back and do some of those conversions: 15 kW at 90% efficiency means 1.5 kW is lost in the conversion process. 95% loses 750 W to heat.

Techie was given strict instructions not to disrupt client. Then he touched one box and the lights went out

Timo
Holmes

In one child's first few weeks at college found that the power was off in their dorm room. She immediately connected the dots to the orders for "no extension cords for refrigerators", which they were using in order to have it in the correct place in the room. She and roommate went to hardware store, bought heavy cord or something to match the stated requirements, and went back and plugged it in with no luck. Called me in a panic that they thought they had burned the world down.

At that point a google search uncovered that the power was out in half of the campus. They had skipped over any sort of checks, like were any other rooms without power, or floors, or buildings, or blocks?

Server crashes traced to one very literal knee-jerk reaction

Timo
Mushroom

Re: Logs

Standard behavior. All you would see in the logs is the machine coming up nice and fresh (and ready to be reset again.)

Not like a keyboard-initiated shutdown or reboot where there will be entries in the logfile.

Hide from Meta's spyglasses with this new Android app

Timo

IR LED flare hat

This is great, the ability to detect that these are nearby is going to keep things interesting.

ISTR someone developed an IR LED jamming device for all cameras. Nearly invisible to the naked eye but it could flood the camera, like a denial of service attack.

Scientists show it's possible to solve problems in your dreams by playing the right sounds

Timo

Re: I did solve a programming problem after I went to bed

Took a nap during my freshman engineering FORTRAN final. Put my head down on the desk and woke up a few minutes later with the full solution, just had to write it down.

KPMG partner in Oz turned to AI to pass an exam on... AI

Timo

"We've got a toothless system where con artists... get away with so much,"

Is she describing AI, or the whole ecosystem of consulting practices?

BOFH: Loss adjuster discovers liability is a two-way street

Timo
Pint

Boss, in an uncharacteristic fit of energy, decided to replace the water bottle in the cooler

The Boss's insecurities force him to act busy while the team is doing things that he won't/can't understand.

It can be a useful thing to create a diversion for those kind of people. Like when a woman is ready to give birth they tell the men to "go tear up cloths." It gives them something to do.

When young children do that it is called "parallel play".

Happy Friday the 13th all.

New hire fixed a problem so fast, their boss left to become a yoga instructor

Timo

two-legged

I believe milking stools had two legs, that allowed the milker to swing closer or farther away without having to shift the stool itself.

Windows fails to tip the scales in grocery store deployment

Timo

image missing

Did someone intend to include the image in the post? Or is there something wrong with my machine or my eyes.

ERP isn't dead yet – but most execs are planning the wake

Timo

Re: "it's a complete rip and replace of everything that you have today"

About a decade ago I worked in a company that got bought by another one that used SAP. When faced with integrating the company the story we got from execs was that it was easier to reconfigure the company's operations and "way of working" than it was to adjust the SAP software so that it fit the company. Somehow SAP had defined the optimal way of working and that was it. Full stop. I bet that hasn't changed, or maybe the consultants that can manage the customization have gotten cheaper.

Timo

what would you expect them to say

Consultants or analysts, after they've paved the world over with some variant of Salesforce, still have a need to be useful, so they're going to invent a new thing that you need (and that you'll maybe pay them to do.) Consolidate, then go with modular, then consolidate. Rinse, repeat.

Infinite Machine e-scooter is like the offspring of a Vespa and a Cybertruck

Timo

Re: What's new?

The origin story and the whole tired Northern California and silicon valley narrative is what is new. You know, where a couple of startup nerds try to tell you how to perceive things. And how they co-opt normal words to mean something completely specific to them, like a cringey inside joke that you're not enlightened enough to be in on.

Untrained techie broke the rules, made a mistake, and found a better way to work

Timo
Facepalm

but everything is top priority!!?!!!

I was expecting it to end a different way. The places that I have worked the PHB would have a bright idea that if one job ran faster as top priority then ALL the jobs should be loaded with high priority.

And it would be back to long job runtimes and handwringing.

Old-school rotary phone dials into online meetings, hangs up when you slam it down

Timo

sidetone came along for free with POTS

The sidetone that was mentioned came along for free - the full voice conversation is carried on two wires and is powered by the telco. There's a hybrid circuit in every phone that gets the microphone and earpiece working on that one loop.

You can now put your US passport into Apple Wallet for domestic travel

Timo

do you have to unlock your phone to show this ID?

Do you have to unlock your phone to show your digital ID?

Because in the US with privacy laws and illegal search and seizure you've basically handed all of your info over. Cops can't make you unlock your phone, against your will, in order for them to find things that might incriminate you. But if you have to unlock it to show your ID they'll take it from there.

The Electronic Frontier Foundation has a lot of info, here's one:

https://ssd.eff.org/module/how-to-get-to-know-iphone-privacy-and-security-settings

and an excerpt, not exactly in the same subject, but it hints at what could happen if you unlock your phone to show ID:

"In the United States, using a biometric—like your face scan or fingerprint—to unlock your phone may also compromise legal protections for the contents of your phone afforded to you under the Fifth Amendment privilege against compelled incrimination. Under current law—which is still in flux—using a memorized passcode generally provides a stronger legal footing to push back against a court order of compelled device unlocking/decryption. "

AWS outage turned smart homes into dumb boxes – and sysadmins into therapists

Timo

"the cloud" is just someone else's computer that you can't control

Sometimes when trying to explain "the cloud" to my parents they spark to the idea that its just a faceless/unknown server somewhere unknown that someone else runs, and you put your data on it in hopes that you can trust them with it. They can "get" a mental picture of what a server room looks like.

Days like Monday are how you reinforce that idea.

ICE plans to scour Facebook, TikTok, X, and even defunct Google+ for illegal immigration leads

Timo

its all part of the grift

The current regime is all about saving money, and redirecting it to their cronies. When you are in the defense industry or department of war there's no money to be made during peacetime.

Word to the wise: Don't tell your IT manager they're not in Excel

Timo
Pint

Re: Excel

You would think (hope) that after having to do manual calculations a few times that he would have realized that Excel was capable of doing the math automatically.

I've worked with a few of those people, its amazing to watch them attempt to navigate a technical world.

Dashboard anxiety plagues IT pros' nights, weekends, vacations

Timo

Don't fix things, drop everything and write me a report about why you can't fix it.

Never mind that all that management "oversight" took perfectly good time away from letting you solve the real problem. There's an opportunity cost to all that. And they hate it when you explain that back to them.

Timo

Fisher price management

Oh managers love finding the red dots on the dashboard, it lets them feel like they're doing something. Like kids toys.

You don't need real time management interruptions.

Solution to all this is to create a separate management dashboard that is "filtered" or delayed so that you have time to fix things or investigate. It also gives you the chance to appear so proactive in that you've identified the problem before anyone was aware of it

Reg hack attends job interview hosted by AI avatar, struggles to exit uncanny valley

Timo

Re: If an employer asks you do to this ...

I applied for a job at a company that had the questionnaire, but decided to subject its candidates to a video interview format where the question was presented and then you had to formulate and record a response, with a two hour time limit. Somewhat stressful, and completely impersonal. They had some semi-robotic claim that it would let the team review my answers when it was convenient for them, and so I wouldn't have to answer the same questions multiple times.

The cognitive dissonance with their HR marketing material that claimed "we value all our people" was pretty off-putting. We value people, but not enough to be considerate to the applicants.

Techie fooled a panicked daemon and manipulated time itself to get servers in sync

Timo

Re: been there, done that ...

On the systems I've worked with it seemed that tripping the panic threshold would cause the ntpd to give up permanently, and the only way to get it right was the run ntpsync before starting ntpd. So this "change the time server and hope all the clients fall in line" would not have worked, would it?

I guess I never had the ability to change the time source as it was synced to an internet pools.

EchoStar sells off its spectrum for more than its total market cap

Timo

are these bands already supported?

OK been out of the cellular industry for a while now. Back in the day getting support for random blocks of spectrum was expensive and didn't always line up with the "economies of scale" for the network or mobile device manufacturers.

The fact that the selling price is so high seems to indicate that these bands are useful. Is that true? Or is there a bunch of work needed to make these bands interesting to vendors? Even having the new blocks be adjacent to existing bands doesn't automatically make them supported.

If Echostar is already trying to operate networks in these bands then they might be a) useful for an ATT-adjacent business (backhaul, point-to-point), or b) if they're already operating a cellular network in these bands then being able to share them between ATT and EchoStar is a big improvement in efficiency and utilization.

BOFH: HR plays checkers, IT plays 5D chess

Timo

Re: This:

Why wouldn't you have all the access points with the same credentials so client devices could roam freely? And adjust footprint based on power? Its not mesh (wireless backhaul) as much as connected and centrally managed.

Microsoft puts the squeeze on onmicrosoft.com freeloaders

Timo

spam coming from inside

At the last 2-3 places I've been it seems that as soon as I start working and get an email address I'm getting hit with spam emails. I get spam before I have a chance to sign up for anything.

It must be that spammers are harvesting the list of users at microsoft365 or somewhere. How are they getting it, and is that a sanctioned thing (by Microsoft)?

Voice, vision, pen: Oh dear. Windows boss says Microsoft is again reshaping OS

Timo

Re: Consumers vs Creators

This is really the key distinction. A phone or tablet with a touch interface seems to be for consumption devices. Maybe just because it is hard to "create" on them. OK there are the handful of photoshop type apps for iPads that cross over, but its nearly impossible to edit a spreadsheet or document or write code with a touchscreen.

Desktops and printers in coffee shops? Starbucks Korea tells customers to 그만 해

Timo

"third place" or "homeless shelter"?

Recently visited a friend in Oregon and she mentioned how she noticed how the people there made much more use of those "third spaces" that weren't home or work, and for the most part it was nice. The next day however we went to a brewpub and the best table was taken up by a grubby person and his dog. We could not decide if he was a customer that had stayed there a while or if he was homeless.

Every culture will have their own relationship with the unhoused, and so the use of third spaces will be highly interrelated with that.

User demanded a 'wireless' computer and was outraged when its battery died

Timo

Re: Phone down

Could they have done a boot of a live Linux system to test those parts of the system? Would not be able to read the hard drive but the rest likely would work.

Field support chap got married – which took down a mainframe

Timo

Re: VAX field service engineers

Jimmy Fallon (US comedian and late-night TV show host) did that to his ring finger.

https://www.nynjcmd.com/jimmy-fallon-suffers-ring-avulsion/

I grew up in a rural state, and we were shown the farm safety videos in high school. Lot of pictures of people that jumped off something and left their ring and finger behind. Also the effects of loose shirts caught in PTO shafts.

Techie traced cables from basement to maternity ward and onto a roof, before a car crash revealed the problem

Timo

Re: At my last place....

satellite providers can usually predict when the outages will occur. it might be determined months or years in advance. when they get closer to the sun outage period they will send out alerts

Techies thought outside the box. Then the boss decided to take the box away

Timo

Re: Listening outside the box

That reminds me of a customer site a long time ago. Machine room with lots of server fans and general noise, and the manager's office that overlooked it with a glass window. Nice and quiet inside the office. Right outside said office was a fax machine. While having a conversation in front of the fax machine was pretty common, you had to speak loudly to do it. And that made it very clearly heard inside the office.

I don't remember if I got caught out for saying something disrespectful of the site, or if a friendly customer worker made a point to tell us. I think he did a demo and it was shockingly clear.

Fired US govt workers, Uncle Xi wants you! – to apply for this fake consulting gig

Timo
Mushroom

Re: "How to spot a fake"

Ahhh, known in Spain as the "Monfeo"!

Dilettante dev wrote rubbish, left no logs, and had no idea why his app wasn't working

Timo
Pint

Re: So you forgot how your code worked... hold my beer

Good thing you took the time to post the solution online. Its like a letter to your future self!

Once you've solved the problem its too easy to not do the final wrapup and just jump into the next problem to solve.

Copyright-ignoring AI scraper bots laugh at robots.txt so the IETF is trying to improve it

Timo
Devil

blackhole them? poison the well?

Use AI against AI. Seems like there would be a way to put in a honeypot or blackhole or long list of bad/misleading fake AI pages that a robot would readily follow but a human would not see, or would realize that its obviously garbage. Dump a bunch of links off to a 3rd party location that can be continuously updated to keep the AI scrapers confused.

Feds sue Southwest for chronic delays, unrealistic schedules

Timo

Re: That's way to lenient!

You make a good point, but with the numbers of flights per day and month that Southwest operates one or two chronically late ones might amount to a rounding error.

Life lesson: Don't delete millions of accounts on the same day you go to the dentist

Timo

Re: LDAP?

thanks for the explanation, I ALMOST understand it. Just got done with a day or two of that fun when I had to change my password on my machine, from home.

There seems to be a way to get it to sync everything (desktop and apps etc) but our IT dept haven't been able to write it down. There are myriad ways to initiate a password change, from the desktop ctrl-alt-del menu, to going to myapps.microsoft, and with or without VPN engaged, and I SWEAR I got it to work one time so that the login to my computer was updated along with everything else, but I can't seem to reproduce it. It could also be some misconfiguration by our IT people, they seem to be in the low cost arena.

So I'll have a machine (win10) that I have to use the old password to log in, then everything else uses the new password. Until I go into the office and on powerup the machine will get its update and then everything is wobbly for a bit while the machine and everything microsoft and in the cloud somehow thinks that its out of sync (when it should be in sync.)

Techie fluked a fix and found himself the abusive boss's best friend

Timo
Angel

Re: Cobol...

My MechE first year university student has already had to program in C and Python in the first semester. Its all software these days. I'm waiting to hear when she will be allowed to touch real physical objects. She wants to take a welding course...

FCC fines be damned, ESPN misuses emergency alert tones yet again

Timo

this happened at a live game

I have had this sort of thing happen at a live football game. During the pre-game action a brief excerpt of the tone was played with a lot of graphics on the jumbotron to indicate an offensive "storm coming".

It was startling even though it was a clear sunny Saturday in September.

That alert tone is very unique and only gets used when something important is going on.

Someone may have already brought up that the cellular alert system has had its share of problems with mapping alerts to coverage areas.

How tech went from free love to pay-per-day

Timo

Subscriptions

I worked in a business that made it's margin on selling hardware, which supported the software and services for the customer. At some point customer realized that they had more than enough hardware to satisfy their growth for years or more. And the business flipped to being a software business almost overnight.

The trick is that customer wanted to keep getting features and functionality and system releases, but selling the features one at a time would have meant a very unpredictable revenue stream that would support the software developers. This is where subscriptions come in. If you can find a customer that needs your solution bad enough you could basically sign up for a committed stream of developer man-months. It doesn't guarantee that every release is going to have the same value however. It was in effect a paid retainer to keep developers and support around.

Reddit hopes robots.txt tweak will do the trick in scaring off AI training data scrapers

Timo

do rate limiting on requests?

I think a company like Reddit could put up a web front end and limit the request rate from an AI company.

Unless those requests were bundled into a larger stream of general stuff...

British Airways blames T5 luggage chaos on fault 'outside of our control'

Timo
Mushroom

Next week's "who, me"

This should keep the pipeline of stories due to keyboard accidents full for a couple weeks.

Twitter 'supersharers' of fake news tend to be older Republican women

Timo

Pasty keyboard warriors

Can these accounts somehow be auto-blocked or flagged? Is there an equivalent to web page ad blocking for Twitter/X?

And then let us know when the researchers publish their findings about Facebook. The signal to noise ratio there seems to be very low, and there seem to be many more angry reporters on that site.

Cops developing Ghostbusters-esque weapon to take out e-bike thugs

Timo

What's wrong with a stick?

Throw a stick in the spokes. That's been a pretty good way to disable a bike, and it's driver, for ages.

Roku makes 2FA mandatory for all after nearly 600K accounts pwned

Timo

Re: ...using the payment details stored in the user accounts...

It dates back to the ancient old days of app stores and buying apps, before the apps themselves had a way to charge you directly. You could (maybe still can) buy and pay for apps / "channels" using the credit card that you stored in Roku, likely when you originally set up your account and then forgot about.

Remember when you'd go to the app store and buy an app for $1.99 and that was it? And Apple or Google got their cut? Now you download the app for free and sign into your Netflix or Amazon.

Stuck paying for your apartment's crummy internet? FCC boss Rosenworcel wants to help

Timo

Maybe not as easy as it seems

This is all great but now it means each provider is going to have to run new wiring to each apartment?

I see it as improved choice yes, but possibly not lower cost, since each apartment has to make its own contract at retail? Maybe someone with insight can contribute to their current bulk situation.

AWS plays with Fire TV Cube, turns it into a thin client for cloudy desktops

Timo

unloading unloved FireTV hardware?

This seems like a side project to find another market for those devices.

Has Amazon published sales figures for the FireTV platform? Reviews are mixed, many noting the cost of the device and the amount of ads. Doesn't seem like it fills a need, there are other devices from Amazon itself, or Roku, that are cheaper. Or for that kind of money you could get an Apple TV device.

Meta spends $181M to get out of lease at vacant London offices

Timo

Re: The Real Reason

I think the first counter-point to your point is that they'd pay the lease whether employees are in the office or not, so its a false economy to have people come in to the office.

Second counter-point: the company is actually saving money over the lifetime of the lease. One of the other posts here calculates the lump-sum vs. the total lease payments. They just elected to buy it out in one lump sum.

Verizon to 'sunset' Blue Jeans vidconf platform

Timo

You forgot "unloved"

Article mentioned also-ran status, but your post captures why it made it unloved. A previous employer used it and the majority of the time the video feed would fail to work or would be irritatingly blocky, even if only between two people. The hassle factor was very high, the conference room features and functionality were aggravating at best.

I think that employer probably got some early adopter silicon valley deal where Blue Jeans was buying customers with VC money. The platform never seemed to improve. Didn't take long to dump them for zoom.

The bonkers water-cooled shoe PC, hexagonal pink workstations, and IKEA-style cases of Computex 2023

Timo

flatpack cases = big box of razor blades?

In my experience computer cases come with tons of sharp edges. Will these flatpack cases be any different?

Some of the pieces in the picture look like large cheese graters. Will they come with a pair of chain mail gloves for you to wear during assembly/disassembly?

Watchdog calls for automatic braking to be standard in cars

Timo
FAIL

Does this mean they'll make it work first?

Have a Honda product with this feature and I'm trying to figure out how to disable it. Anytime we're following a car in front making a right turn the car will jam on the brakes. It's so predictable and so undesired.

I can't wait for every car to have this capability.

Page: