* Posts by Linker3000

156 posts • joined 7 May 2010

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Two million customer records pillaged in IT souk CeX hack attack

This post has been deleted by a moderator

BBC’s Micro:bit turns out to be an excellent drone hijacking tool

Linker3000

Re: @Steve Evans

"Having said that you can program the micro:bit to write rude words in the air as you spin it round on a piece of string."

...all while playing a fruit keyboard with your other hand. Rock on!

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Roland McGrath steps down as glibc maintainer after 30 years

Linker3000

Re: for the cost of a tape to copy them to and delivery.

Ditto - I received the full Kermit dump on a 2400' tape from Lancaster Uni so I could pull out the version for the VAX 11/750 I managed at the time. Happy days!

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Currys PC World given a spanking for misleading laptop savings ads

Linker3000

Things are really BAD if Maplin is a better option than PC World

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Consultancy titan EY to shift jobs to Indian outsourcer TCS

Linker3000
Headmaster

Re: we are in the process of transforming how we deliver IT services

Above 1200, it's officially 'bits per second' as the modulation techniques changed so that one state transition can convey multiple bits. Baud is only used where 1 state change = 1 bit.

/Yeah, I passed my A+ Service Technician Exam.

//How many UK or overseas consultants could have told you that, and how much would they have charged!?

///I feel old.

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'Major incident' at Capita data centre: Multiple services still knackered

Linker3000

Re: XML is so 1990's

My rule for any situation that makes me want to start a sentence with "You'd think that...." is to STOP and take a reality check.

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Cisco boxen hang after 213-and-a-half days

Linker3000

Re: Nothing New

There was something similar with one model of Cisco switch around 4 years ago where after a period of uptime something b0rked in the arp cache algorithm and the switches turned into hubs - you knew when it happened as network traffic ground to a halt and all the port LEDs flashed in unison.

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UK uni KCL spunks IT budget on 'reputation management' after IT disaster headlines

Linker3000

Re: Mountain out of a mole hill

>> down to KCL operations technicians. You could argue there was a lack of management oversight, but fundamentally someone wasn't testing the backups.

No, it was down to the Managers who either did not implement proper procedures or did not oversee any checks and balances to confirm that **working** backups were being performed. That's why you have Managers.

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FYI: Ticking time-bomb fault will brick Cisco gear after 18 months

Linker3000
Alert

"Prize Plum"

This issue was picked up by /r/networking on Reddit, and one Redditor suggests which component is the culprit - it would be useful for the electronics industry at large if the part was officially identified to help other manufacturers and users plan scheduled maintenance for this issue before it gets worse.

https://www.reddit.com/r/networking/comments/5rmsw0/major_cisco_hardware_clock_issue_affecting/

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Bloke launches twinkly range of BBC Micro:bit accessory boards

Linker3000
Headmaster

Re: “I’ve designed my own connector,“

Edit: I see Gaz was onto this and has revised the article text.

I think what Nevil meant was that he's designed his own system/connector to mate with the pitch of the edge connector on the micro:bit - and in that respect he's dealing with what pitch the micro:bit designers chose and not numptyfying* anything.

2 FWIWs:

When the micro:bit first came out, getting hold of ANY compatible edge connectors (or even the spec for one) was a PITA until Kitronik et al started to make them available.

I have been playing with a few pre-production samples of Nevil's boards for a while - kudos to him for the effort put into the project.

*That's Numptizing for our North American friends.

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Microsoft quietly emits patch to undo its earlier patch that broke Windows 10 networking

Linker3000

Re: ,So there's an online fix for not being able to get online?

It's probably available online as a PDF. Oh, wait....

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Botched Microsoft update knocks Windows 8, 10 PCs offline – regardless of ISP

Linker3000

Re: Is this a UK only problem?

Dunno, but since I just lost Internet connectivity trying to check an email before I flew out of the house, I did a quick check of the network settings and the first entry in my DNS list was an IPV6 address and since my router does not have IPV6 turned on, I tried disabling the IPV6 protocol on my wifi adaptor and I was back online with only the expected two IPV4 DNS addresses showing.

Maybe something's not timing out as it should??

Just a thought - gotta dash....!

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Sysadmin told to spend 20+ hours changing user names, for no reason

Linker3000

Resistance was futile

A colleague and I once spent a good week or so changing the network IP address ranges of 30 regional offices to match the 'harmonised' scheme of the company who'd acquired us. The change was not a major shift in numbering and we were clever enough to do a fair bit of it remotely through deft use of RDP and multihoming. After we'd finished and handed everything over to our new lords and masters (who very soon kicked us regional IT guys out), it transpired they'd forgot to tell us that the subnet masks also needed changing, so off we went again!

This same company ripped out the 8Mbit ADSL VPN connections (this was around 2004) between our HQ and the offices and replaced them with 1/2 Meg MPLS circuits - then wondered why everything ground to a halt (I bet the accountants loved the new bills too!)

The icing on the cake, was that the encumbent IT guys were sh*t scared of Linux and so out went the 300-user email system based on Postfix, to be replaced by MS Exchange + required Licences, and they abandoned the distributed, replicated, cross-site backup system based on BackupPC which performed full and incremental backups of data overnight from every office to two other locations, plus the clever rsync scripts that brought a copy of all regional data back to HQ every night for data mining - we had data coming in from MS-SQL, MS-Access and proprietary systems to be munged into one data set in MySQL - it was bloody brilliant, even if I do say so myself.

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Hackers waste Xbox One, PS4, MacBook, Pixel, with USB zapper

Linker3000

Re: Ridiculous

Have to nitpick: There's a lot of DMX stuff out there which is not galvanically isolated - the signal just gets thrown into a regular RS485 buffer chip with not an opto or transformer in sight.

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Half-ton handbuilt CPU heads to Centre for Computing History

Linker3000

Re: Back-door?

Yes it does have a backdoor - it's a 4-panel, white oak affair with glass top panes and gold fittings.

7
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'Pavement power' - The bad idea that never seems to die

Linker3000

Ditto

It's at LHR and I came here to post exactly that comment about how unnerving it was to walk on. Any energy cost savings will be wiped out by the NHS expenditure for ltreating lower-back and leg joint problems.

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Hell desk thought PC fire report was a first-day-on-the-job prank

Linker3000

Re: Metaphors

From the same period, someone rang up to say that whenever they switched on their PC, the date had gone back to 1980. I told them that the PC's clock battery had probably gone. 'GONE!?' came the startled reply..'Who could have taken it!?"

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Linker3000

Metaphors

One of my old bosses was known to use cheesy metaphors in every meeting and presentation. One day he stuck his head out of his office and, in a very casual manner, asked me to 'take a look' at his IBM PC-XT in about 10 mins as the 'whole lot has gone up in smoke' and he'd be out for a meeting.

10 minutes later, I sauntered into his empty office to encounter a smoke-filled room and a big, melty, burnt hole in the top of his CGA colour ('Luxury!') monitor.

Um..OK..

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Wow, everyone loves our drives, says Seagate sitting on a pile o' cash

Linker3000

Re: How much of that was replacing dud drives?

HGST you mean?

(Hitachi ≠ HGST)

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Before Bitcoin, digital cash was called Beenz – all that's left is a T-shirt

Linker3000
Headmaster

Flooz

Flooz

That is all

1
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'Jet blast' noise KOs ING bank's spinning rust servers

Linker3000

Floor voids - more than just storage areas for rubbish

I had the pleasure of visiting a building where the architects managed to design the server room with a FOUR FOOT flloor void rather than the desired 4 inches. Somehow this cock-up of NASA dimensioning proportions made it through all checks and that's how the building was constructed.

By the time the building was completed and occupied, the data centre looked 'normal'... until you lifted a floor panel and stared into the void; this was one data centre where you **really** had to be careful if you left a floor panel out of place! There was so much space below the floor that the IT guys had installed servers down there - as my knees and back dscovered when I turned up to fit a new Ethernet card and was told which tile to lift to start my crawl.

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Apple: Crisis? What innovation crisis? BTW, you like our toothbrush?

Linker3000

Re: the next battlefield ...

> advances which aid or assist users who eyesight and/or coordination is failing.

A nice pair of Apple iEyes inserts...

Direct Cortex Inject (DCItm) for pure digital visiion, and only the occasional, discrete advertisement in the corner of your vision (unless you upgrade to the ad-free subscription package).

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Apple killed OS X today and binned its $10,000 BlingWatch too

Linker3000
Joke

Fork Handles

No....O's....O's for Macs.

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Cisco axes up to 5,500 workers in scramble to remain relevant

Linker3000

Re: silver lining

"IoT mostly seems to be rich people taking dumb appliances adding data mining technology for the poor unwashed masses and then eventually charging far more to buy the original dumb appliance again that doesn't spy on you (for them of course)."

I call this "The bacon strategy":

* Once upon a time, bacon was just cured/smoked pork with nothing added; it tasted fine and cooked well.

* Then some bright spark worked out how to inject water into the process and sell a crappier version of bacon for greater profit.

* Over time, this crappy, water-laden bacon became the norm and everyone just accepted the state of play because they grew up with the shitty stuff.

* Next, the bacon companies started to sell 'traditional' bacon again with no added water, but because it was now 'special', they charged extra for a now-considered-premium product.

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Good news: Teen hacker gets 1-million-air-miles bug bounty reward. Bad news: It's United Airlines

Linker3000
Devil

Why all the United hate?

Great airline; the last (and I really mean LAST) time I flew with them, they upgraded my direct San Francisco to London Heathrow flight to include an additional 8 hours at the airport and a free visit to Dulles Washington. I effectively gained a WHOLE DAY of extra traveling for no extra charge and skipped a Monday at work; what's not to like!?

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Windows 10 Anniversary Update is borking boxen everywhere

Linker3000

Re: Plan ahead

One thumb down when I checked at 10:27 - SOOO...someone disagrees that a quick image backup before applying the update is worth the time.

Jean Luc Picard facepalms in your general direction.

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Linker3000

Plan ahead

All of my home and work machines dual boot Windows 10 and Debian 8, and live in Debian most of the time. I forsee some liberal use of Clonezilla coming up before doing anything with Windows.

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The developer died 14 years ago, here's a print out of his source code

Linker3000
Mushroom

Call me!

I am waiting for your call - I'm cheap too!

--------

pasneta.pas

this file contains the function and procedure declarations

for the TurboPascal/Advanced NetWare interface}

type

Strvar = String[52];

function xtndopn(var Mode, Handle: Integer;var Filename: Strvar): Integer; external 'PASNETA.COM';

function setattr(var Func, Attribute: Integer; var Filename: Strvar): Integer; external xtndopn[3];

function eojstat(var Flag: Integer):integer; external xtndopn[6];

function PRLH_Log(var FileHandle,HiByteOffset,LoByteOffset,HiLockLen,

LoLockLen,Flags,TimeOut: Integer): Integer; external xtndopn[9];

function PRLH_Rel(var FileHandle,HiByteOffset,LoByteOffset,HiLockLen,

LoLockLen: Integer): Integer; external xtndopn[12];

function PRLH_Clr(var FileHandle,HiByteOffset,LoByteOffset,HiLockLen,

LoLockLen: Integer): Integer; external xtndopn[15];

function PRLF_Log(var fcb,HiByteOffset,LoByteOffset,HiLockLen,LoLockLen,

Flags,TimeOut: Integer): Integer; external xtndopn[18];

function PRLF_Rel(var fcb,HiByteOffset,LoByteOffset: Integer): Integer; external xtndopn[21];

function PRLF_Clr(var fcb,HiByteOffset,LoByteOffset: Integer): Integer; external xtndopn[24];

function PRLS_Lck(var Flags,TimeOut: Integer): Integer; external xtndopn[27];

function PRLS_Rel: Integer; external xtndopn[30];

function PRLS_Clr: Integer; external xtndopn[33];

function OpenSem(var Sema4: Strvar; var SemaValu,HiHandle,LoHandle,OpenCnt: Integer): Integer; external xtndopn[36];

function ExamSem(var HiHandle,LoHandle,SemaValu,OpenCnt: Integer): Integer; external xtndopn[39];

function WaitSem(var HiHandle,LoHandle,TimeOut: Integer): Integer; external xtndopn[42];

function SigSem(var HiHandle,LoHandle: Integer): Integer; external xtndopn[45];

function ClosSem(var HiHandle,LoHandle: Integer): Integer; external xtndopn[48];

[SNIP]

0
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Cray profits literally go up in smoke after electrical incident

Linker3000

Carbon is conductive. Small particles can cause real problems among tiny surface mount components and high frequency circuits.

15
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TP-Link fined $200k, told to be nice to wireless router tinkers after throwing a hissy fit

Linker3000
Holmes

Re: Extra power

It's all very well the BT router (maybe) pumping out more power, but wifi comms is a two-way thing and your tablet or phone etc. is going to be transmitting at the same strength it has always done....so if the device's signal couldn't make it back from the potting shed before it STILL aint gonna make it back now.

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Linus Torvalds in sweary rant about punctuation in kernel comments

Linker3000

Linus Torvalds in sweary rant

Must be a day with a 'y' in the name.

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Dixons, UK's fifth 'emergency service', brushes off Brexit scare stories

Linker3000
Headmaster

Re: And the fourth?

No - the 4th emergency service is the Coastguard.

/I think we have a few left.

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Maplin Electronics demands cash with menaces

Linker3000

Re: Sad excuse for the company it once was...

The vouchers...don't forget the coloured vouchers...orange ones, green ones and...wow I bought enough to get a white and blue one!

Bless Doug Simmons...we had an electronics club stand at our school summer fair (about 1978/9) and I wrote to him for some marketing freebies and he sent a large box of catalogues and starship posters.

/Also 4 digits.

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When Capita job ads go BAD

Linker3000

Re: Needs to be saved for posteriority...

"The house prices must be low"

Rock bottom, I hear.

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TWELVE YEARS of US Air Force complaints lost in database crash

Linker3000

Re: Wait..

> > > Hey, why not have a backup? >>>Or RAID?<<<

You really didn't write that, did you!? Hand in your sysadmin card on the way out. Kthxbye.

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Linker3000

Re: A backup isn't a backup

Also never assume that the people who made and managed the backups are still around to restore them. Documentation - stored in several places FTW.

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Why everyone* hates Salesforce's Marc Benioff

Linker3000
Facepalm

So close

I was working up to a state of worry and agitation when the article mentioned apps getting rid of bankers, lawyers and estate agents. I'm so very torn now.

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2

BBC's micro:bit retail shipments near

Linker3000

Re: There's hope for us yet!

I'll just leave this here:

https://i.imgur.com/eTgF48e.jpg

"The Acorn System 1 is a grandparent of the BBC micro:bit; it was designed by Sophie Wilson and Steve Furber, who went on to help develop the BBC Microcomputer.

Acorn System 1:

Launched: 1979

Processor: 8-bit 6502, 1MHz

Approx MIPS: 0.5

RAM: 1.125kB

ROM: 512 bytes

BBC micro:bit:

Launched: 2016

Processor: 32-bit ARM Cortex M0, 16MHz

Approx MIPS: 13

RAM: 16kB

Flash: 256kB "

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Linker3000

Re: Now we have Pi Zero

s/that/than/

/Sheldon Cooper would not have been so sloppy.

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Linker3000

Re: Better late than never

> It would probably have been better to hold off to next school year.

Totally agree.

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Linker3000

Re: Now we have Pi Zero

> My Pi probably boots up in around 15 seconds or so.

So, about 14 seconds more that a micro:bit ;-)

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Linker3000

Re: I don't get it

Help make the community happen - there's an Area 51 initiative on Stack Exchange to create a micro:bit Q&A site - please head over and upvote some of the questions that have not made it to 10 yet.

http://area51.stackexchange.com/proposals/96237/microbit

** Please don't upvote any question that already has 10 upvotes; they have already passed the needed score so it will be a wasted vote. **

Also check out this sub on Reddit: https://www.reddit.com/r/Micro_Bit/

(There's a couple of other micro:bit subs on Reddit, but that one is the most active)

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Linker3000

Re: Before getting one of these

I've upvoted this one, purely because it's a pain to head down the phone/tablet route only to find that support for your particular model...they're 'working on it'.

/Galaxy Note 10.1 tablet.

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Linker3000

Re: Now we have Pi Zero

> Wow, I'm talking to Dr Sheldon Cooper... oops ;)

Nah, you're being corrected by someone working close to the project!

/I'm impartial to trains and have no fear of birds.

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Linker3000

Re: It's rubbish

Agreed, the ultimate launch date was not good and has meant the micro:bits being delivered so close to the end of the school year that there was little point in bringing them into the curriculum.

I am a STEM ambassador and we have a growing network of members who are tooled up with micro:bits and able to support schools who wish to use the board in conjunction with curriculum activities. You should encourage your school to reach out to the STEM organisation to see who could help either directly or remotely.

http://www.stemnet.org.uk/

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Linker3000

Re: It's rubbish

I understand there was some talk about speccing the micro:bit with a larger RAM, but this would have meant moving to the next model of Nordic SoCs and the cost was considered too high.

The board is intended for basic coding and for that it's fine - if you require more RAM, then the micro:bit is probably not the right fit for your project.

1
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Linker3000

Re: Now we have Pi Zero

Emulating?

I've seen 'successor' mentioned in official circles. not 'emulator', although there have been comments about hoping the micro:bit emulates the success of the BBC Micro, which is a completely different context.

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Linker3000

Re: It's rubbish

The ecosystem for the micro:bit is getting there - notably the micropython team are making progress on an almost daily basis. I predict some people working hard during the impending Summer hols.

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Linker3000

Re: Now we have Pi Zero

The Zero has no LED matrix display, no bluetooth, no accelerometer, no built-in switches and no magnetometer so it's hardly ready 'out of the box' to do anything, plus prepping one for use can be a bit of hassle. The micro:bit can almost hit the ground running; I have both and the micro:bit is the best fit for its intended purpose.The Zero could be step 2 on a coding journey unless one moves to the Arduino ecosystem or somethig like the ST Nucleo boards.

7
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Is uBeam the new Theranos?

Linker3000

Re: Worzel Gummidge Technology

Catweazle holds the patent on electrickery:

https://en.m.wikipedia.org/wiki/Catweazle

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