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by Andyroo
Tue Jun 25, 2019 2:28 am
Forum: General discussion
Topic: Software causing connection abort
Replies: 1
Views: 46

Re: Software causing connection abort

In what package / OS / Pi version? A few clues may help :lol: If it’s putty - are you connecting via IP address or name and could that be duplicated? Also check if you have a ‘keep-alive’ option and set the to a shorter value. You say you have a static address - what gives this out and could anythin...
by Andyroo
Tue Jun 25, 2019 2:21 am
Forum: General discussion
Topic: Raspberry Pi 4 Thread - general discussion
Replies: 279
Views: 12389

Re: Raspberry Pi 4 Thread - general discussion

Do not mix Chrome browser and Chromium up :D
The Chromium projects include Chromium and Chromium OS, the open-source projects behind the Google Chrome browser
From: https://www.chromium.org/
by Andyroo
Tue Jun 25, 2019 2:16 am
Forum: General discussion
Topic: Respberry Pi 4 B , Two USB 3.0 eGPU
Replies: 4
Views: 225

Re: Respberry Pi 4 B , Two USB 3.0 eGPU

You cannot actually reach the bandwidth. USB3 may be spec’d for 5GB/s but USB is provided via an external VLI controller, connected over a single PCI Express Gen 2 lane, and providing a total of 4Gbps of bandwidth, shared between the four ports. From: Blog announcement Saying that, I’m not going to ...
by Andyroo
Tue Jun 25, 2019 2:03 am
Forum: General discussion
Topic: (pi4) so how fast is 'entry level pc performance'
Replies: 7
Views: 222

Re: (pi4) so how fast is 'entry level pc performance'

Sysbench figure shown here https://arstechnica.com/information-tec ... 4-cluster/

Looks like the 9 was the correct comparison figure :cry:
by Andyroo
Tue Jun 25, 2019 1:18 am
Forum: General discussion
Topic: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?
Replies: 12
Views: 688

Re: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?

The problems then becomes once a third party has access to your machine you can become a bot and help mine them money or take part in a DOS attack etc etc and that’s not even thinking about being a platform for attacks inside the network for bank details etc. It’s just another worry about connecting...
by Andyroo
Tue Jun 25, 2019 1:06 am
Forum: General discussion
Topic: (pi4) so how fast is 'entry level pc performance'
Replies: 7
Views: 222

Re: (pi4) so how fast is 'entry level pc performance'

Liz at Blitz City DIY video here has run some of the Phoronix suite on her test Pi but I cannot find any details on the Openbenchmark site at https://openbenchmarking.org/ From what I can see, the encode to FLAC scores the Pi 4B single core as 107 whereas a Core i3 8100 came in at either 9.8 or 33 d...
by Andyroo
Tue Jun 25, 2019 12:21 am
Forum: General discussion
Topic: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?
Replies: 12
Views: 688

Re: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?

Following on from my last sentence: Please note that security updates for testing distribution are not yet managed by the security team. Hence, testing does not get security updates in a timely manner. You are encouraged to switch your sources.list entries from testing to stretch for the time being ...
by Andyroo
Mon Jun 24, 2019 11:51 pm
Forum: General discussion
Topic: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?
Replies: 12
Views: 688

Re: Is the new Raspberry Pi 4 vulnerable to Meltdown and Spectre attacks?

There was an interesting note on how effective these attacks could be last year: In fact, I doubt we will ever see a lot of in-the-wild malware using the Meltdown or Spectre exploits. Memory-read attacks simply aren't that attractive to most attackers: they don't allow an attacker to run arbitrary c...
by Andyroo
Mon Jun 24, 2019 11:38 pm
Forum: Advanced users
Topic: No Mathematica in Buster
Replies: 4
Views: 92

Re: No Mathematica in Buster

Correct - it’s not working in Buster yet.

James mentioned it in the Pi 4 thread and it’s is noted in the release notes

No date for a fix yet either.
by Andyroo
Mon Jun 24, 2019 11:33 pm
Forum: Beginners
Topic: Raspberry pi 4 sold out?
Replies: 6
Views: 302

Re: Raspberry pi 4 sold out?

Some on eBay U.K. already :lol:

Given this did not exist yesterday (unless you had one if the samples) I have to ask is this a solution looking for a problem :roll: or is it a FOMO issue :lol: :D :lol:

Edit: Sorry 2Gb :oops:
by Andyroo
Mon Jun 24, 2019 11:28 pm
Forum: General discussion
Topic: Respberry Pi 4 B , Two USB 3.0 eGPU
Replies: 4
Views: 225

Re: Respberry Pi 4 B , Two USB 3.0 eGPU

Just because you can equal the bandwidth, it does not mean the protocol or drivers exist for dual channel vs single channelled alone an application or games that can use it :lol:

You can already get USB adapters up to 4K :o
by Andyroo
Mon Jun 24, 2019 11:24 pm
Forum: Other projects
Topic: A plan for an open source large screen RP4 powered laptop
Replies: 3
Views: 80

Re: A plan for an open source large screen RP4 powered laptop

This link tested AA batteries for the Pi and got 7+ hours for a Model B with light use. No idea how that would stack up on a 3 or 4... The webpage shows decent batteries as well, so the current output would be consistent till close on the end of life. Screen such as this one uses its own internal b...
by Andyroo
Mon Jun 24, 2019 11:12 pm
Forum: General discussion
Topic: The RPi4 makes no sense to me. Fight me!
Replies: 17
Views: 586

Re: The RPi4 makes no sense to me. Fight me!

https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=163420&p=1455398#p1250926 Wonder how long it will be before this gets locked :roll: Popcorn anyone? We only see a small part of the market - I’m convinced something will need two screens even if it’s a plug in display to configure / debug the ...
by Andyroo
Mon Jun 24, 2019 11:07 pm
Forum: Other projects
Topic: A plan for an open source large screen RP4 powered laptop
Replies: 3
Views: 80

Re: A plan for an open source large screen RP4 powered laptop

I would drop the AA battery idea - they just cannot push enough juice out. Maybe move to a set of 18650 batteries or a notebook battery without a case.
by Andyroo
Mon Jun 24, 2019 9:55 pm
Forum: Troubleshooting
Topic: Pi as ebook server
Replies: 4
Views: 104

Re: Pi as ebook server

A very quick scan of the code seems to show its looking for the metadata.db file which is part of Calibre.

I think you have to edit config_default.php as per this example and say where the files are.
by Andyroo
Mon Jun 24, 2019 9:39 pm
Forum: Beginners
Topic: Lasted Raspbian Buster, cannot rename user.
Replies: 3
Views: 78

Re: Lasted Raspbian Buster, cannot rename user.

Start in headless, sign on as root and see if that does it?

Edit: Previously it was always recommend that you just disable Pi and create a new user.
by Andyroo
Mon Jun 24, 2019 9:37 pm
Forum: General discussion
Topic: Raspberry Pi 4 Thread - general discussion
Replies: 279
Views: 12389

Re: Raspberry Pi 4 Thread - general discussion

Glad they are OOS - would have hated to decide on a Pi or wallpaper now the builders done :lol:

Seriously though - congrats to the team for an impressive product.
by Andyroo
Mon Jun 24, 2019 9:32 pm
Forum: Compute Module
Topic: compute moduel upgrade (rpi4)
Replies: 2
Views: 103

Re: compute moduel upgrade (rpi4)

Countdown to thread lock started....

The Foundation or Trading teams never announce products before they are available and they do not speculate that some will ever be made.

Looking at tonight’s availability you could claim the Pi 4 has been announced before its available :lol: :roll: :lol:
by Andyroo
Mon Jun 24, 2019 9:24 pm
Forum: Raspbian
Topic: Buster and Thonny issue
Replies: 1
Views: 61

Re: Buster and Thonny issue

Never tried either with programs that size - I went Visual Code on the Mac when I hit 5 screens :roll:

I do have Idle loaded on my Lenovo 120 by using

Code: Select all

sudo apt install idle
I assume you still have both Python2 and 3 on the box...
by Andyroo
Mon Jun 24, 2019 9:17 pm
Forum: General discussion
Topic: Pricing of Pi models
Replies: 6
Views: 248

Re: Pricing of Pi models

Time costs money in business :lol: If you buy a new device you end up spending a lot of time learning its ‘features’ and here you have both a software and hardware change to cope with at once. The old rule of ‘if it is not broken do not fiddle’ drives many an IT department :roll: It’s fine to play a...
by Andyroo
Mon Jun 24, 2019 9:09 pm
Forum: General discussion
Topic: Usb console on raspberry pi help
Replies: 5
Views: 112

Re: Usb console on raspberry pi help

Apologies - I thought the USB end was the 486 and not the Pi :oops: I’ve had a little hunt (for the fun) and found an option that may do what you need. If you plug the USB adapter into the Pi do you get a new device like /dev/ttyUSB or /dev/ttyACM to show it is recognised? If so, you could try the s...
by Andyroo
Mon Jun 24, 2019 8:00 pm
Forum: Assistive technology and accessibility
Topic: [SOLVED] Can I keep 16GB usb pen drive connected to Pi for 24 hours?
Replies: 3
Views: 69

Re: Can I keep 16GB usb pen drive connected to PI for 24 hours?

You sound be able to do so but it really depends on the stick itself. I’ve used HP sticks with licence keys in servers for moths with no issues before today - these were fitted in the server case and got hot... I would use a small hard drive to be honest if it was me as I find them more reliable lon...
by Andyroo
Mon Jun 24, 2019 7:52 pm
Forum: General discussion
Topic: Usb console on raspberry pi help
Replies: 5
Views: 112

Re: Usb console on raspberry pi help

By default the Pi has a serial console outputting on pins BCM 14 / 15 https://pinout.xyz/ and this is a 3v3 signal so you will need a level converter for your PC else you will blow the Pi. You can get HATs or use a Maxim chip on a breadboard to emulate https://www.abelectronics.co.uk/p/51/serial-pi-...
by Andyroo
Mon Jun 24, 2019 7:37 pm
Forum: General discussion
Topic: Long range wireless temperature sensor
Replies: 1
Views: 42

Re: Long range wireless temperature sensor

For that distance I would look at LoRa or Sigfox links but you may find that a GPRS card and low volume data sim may work out cheaper. I know Sigfox have dedicated devices that are basically the sensor and transmitter in one unit but they should not be hard to replicate the functionality with a Zero...
by Andyroo
Mon Jun 24, 2019 7:17 pm
Forum: General discussion
Topic: I don't understand the point of still using USB 2.0
Replies: 12
Views: 450

Re: I don't understand the point of still using USB 2.0

A number of my archive drives are in USB2 enclosures and I’ve no plans to spend money on this data till I migrate them to larger, faster, newer disks. For me the older drives will go in the USB2 ports and faster / more up to date data can go in the USB3 ports and as the Pi boxes are normally headles...

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