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by mikerr
Sun Jun 16, 2019 11:18 am
Forum: Off topic discussion
Topic: how heavy is raspbian ?
Replies: 30
Views: 1010

Re: how heavy is raspbian ?

There is a bare desktop download if you don't want all the apps preinstalled, or even raspbian lite if you don't even want the desktop. Raspbian stretch full desktop & all apps: 2GB download, 5.6GB installed Raspbian stretch desktop: 1GB download, 3.4GB installed Raspbian Lite: 400MB download, 1.9GB...
by mikerr
Tue May 28, 2019 11:27 am
Forum: Raspberry Pi Desktop for PC and Mac
Topic: Debian x86 RPi Desktop and PiServer
Replies: 35
Views: 8400

Re: Debian x86 RPi Desktop and PiServer

Extract the boot & root filesystems from your premade .img : sudo kpartx -a yourOS.img mkdir boot root sudo mount /dev/mapper/loop0p1 boot sudo mount /dev/mapper/loop0p2 root sudo tar -C boot -cJf boot.xz . sudo tar -C root -cJf root.xz . Run those files through the piserver merger: piserver/scripts...
by mikerr
Sat Apr 27, 2019 11:12 pm
Forum: Raspberry Pi Desktop for PC and Mac
Topic: Brightness settings using GUI
Replies: 10
Views: 3614

Re: Brightness settings using GUI

Save it as brightness.py and run it with

Code: Select all

python brightness.py
by mikerr
Sun Apr 14, 2019 9:26 am
Forum: General discussion
Topic: how to change the logo boot ?
Replies: 15
Views: 1087

Re: how to change the logo boot ?

Replace the file /usr/share/plymouth/themes/pix/splash.png with your own (or just remove it for a blank screen)

Add logo.nologo to the end of the line in /boot/cmdline.txt to remove the four raspberries (on pi3)
by mikerr
Fri Mar 22, 2019 8:51 pm
Forum: Beginners
Topic: Sharing an existing folder using Samba
Replies: 27
Views: 1382

Re: Sharing an existing folder using Samba

The whole page is full of errors and needs rewriting, I have offered to do this, but I will not do it on git-hub[...] If rpi would like me rewrite its Samba page, they only have to ask, but it will be written in the form of a text document Please post it here or a link to somewhere with it rewritte...
by mikerr
Thu Mar 21, 2019 7:14 pm
Forum: General discussion
Topic: Nexdock 2 - another shot
Replies: 9
Views: 680

Re: Nexdock 2 - another shot

I have the original NexDock here, and its been fine,
seems they have addressed the main drawback of that:
bluetooth keyboard&trackpad (which aren't the best and can't be used pre-boot)

The new one connects the keybaord and trackpad by USB
by mikerr
Thu Mar 21, 2019 11:57 am
Forum: Beginners
Topic: Sharing an existing folder using Samba
Replies: 27
Views: 1382

Re: Sharing an existing folder using Samba

I'd be happy to accept a pull request on changes to the docs in this area. And I would be quite willing to totally rewrite your Samba page, just not on git-hub , we left there and went to git-lab. I am a member of the Samba team and I have been trying, for some time, to point out to the Rpi team th...
by mikerr
Sun Mar 17, 2019 7:30 pm
Forum: Python
Topic: running two functions simultaneously
Replies: 16
Views: 875

Re: running two functions simultaneously

Python multiprocessing is now very easy to use. I used that in a practical way to ping the local subnet to discover all hosts: https://github.com/mikerr/Pingu Relevent part code is: def ping: .... hosts = [] for i in range(255): hosts.append("192.168.0." + str(i)) pool = ThreadPool(100) results = po...
by mikerr
Sat Mar 16, 2019 2:52 pm
Forum: General discussion
Topic: Graph & timeline of Pi Sales
Replies: 81
Views: 24206

Re: Graph & timeline of Pi Sales

Now 25 Million Pi, with > 9 million of them being pi3

https://www.raspberrypi.org/blog/raspbe ... le-now-35/ [ >9 million pi3 03/2018 ]
https://blog.adafruit.com/2019/03/15/25 ... spberrypi/ [ 25 million pi 15/03/2019]
by mikerr
Fri Mar 15, 2019 9:15 pm
Forum: General discussion
Topic: number of raspberry pi 3 made?
Replies: 18
Views: 1489

Re: number of raspberry pi 3 made?

Last actual reported figure was 23million, but that was a few months back...

Have a look here:
viewtopic.php?f=63&t=75996
by mikerr
Thu Mar 14, 2019 9:20 am
Forum: Other projects
Topic: Creating a stack of white elephants.
Replies: 8
Views: 742

Re: Creating a stack of white elephants.

Bitscope do ready made 10 pi clusters:

Image

http://my.bitscope.com/store/?p=view&i=item+4
by mikerr
Tue Jan 01, 2019 9:17 am
Forum: General discussion
Topic: Password storage idea
Replies: 16
Views: 936

Re: Password storage idea

Yes chrome extensions work on any Chrome browser, on any OS or platform, ARM or x86, same for Firefox.

I use lastpass and it works fine on the pi via chrome extension
by mikerr
Sat Dec 15, 2018 8:56 am
Forum: General discussion
Topic: Reflash Pi Zero W factory rom?
Replies: 18
Views: 1111

Re: Reflash Pi Zero W factory rom?

If it has the wrong revision, and so loading the wrong dtb,
would renaming the dtb file on SD work?
(Obviously just as an awful hack to get a working unit)
by mikerr
Tue Dec 11, 2018 10:24 pm
Forum: General discussion
Topic: Etcher for Raspberry Pi, no more need a PC for flash!
Replies: 4
Views: 379

Re: Etcher for Raspberry Pi, no more need a PC for flash!

You can also flash an SD card direct on your android phone :
viewtopic.php?f=63&t=170856
by mikerr
Tue Dec 11, 2018 10:18 pm
Forum: General discussion
Topic: Questionable actors
Replies: 3
Views: 372

Re: Questionable actors

There seems to be something wrong with your keyboard ...
by mikerr
Mon Dec 10, 2018 9:57 am
Forum: General discussion
Topic: Rpi 3B+ over Asus Tinker Board
Replies: 27
Views: 3230

Re: Rpi 3B+ over Asus Tinker Board

For web browsing / chromium the Tinkerboard is far faster and more useable than a Pi3. 2GB RAM makes the difference - it's actually my daily PC, and same SoC is used in chromebook flip / chromebit. The pi obviously has a much bigger community, and more maker focussed. the small unofficial community ...
by mikerr
Tue Nov 20, 2018 9:45 am
Forum: Advanced users
Topic: x86 on the Raspberry Pi with jessie chroot
Replies: 18
Views: 2679

Re: x86 on the Raspberry Pi with jessie chroot

Pi386, however, lets you run 32-bit x86 software on your Pi, including WINE. Since Pi386 is an emulation layer, the version of WINE you use on it is compiled for the i386 architecture and therefore allows execution of 32-bit x86 Windows software on the Pi. You should really mention it's QEMU that i...
by mikerr
Thu Nov 15, 2018 9:01 am
Forum: General discussion
Topic: STICKY: Pi 3 A+
Replies: 132
Views: 33946

Re: Pi 3 A+ !!

Same A+ form factor and ports but gains the 3's CPU and WiFi/BT A 1.4GHz 64-bit quad-core ARM Cortex-A53 CPU 512MB LPDDR2 SDRAM Dual-band 802.11ac wireless LAN Bluetooth 4.2/BLE my only minor grumble is that 512MB ram. With WiFi connectivity built in it makes the single usb far less restrictive and ...
by mikerr
Fri Nov 09, 2018 4:37 pm
Forum: Beginners
Topic: Build a ready-to-boot image without Raspberry-Pi
Replies: 4
Views: 359

Re: Build a ready-to-boot image without Raspberry-Pi

Qemu (> 2.11) now includes a raspi2 machinetype So the following works, just copy the files bcm2709-rpi-2-b.dtb and kernel7.img from the fat partition of the SD card, and start qemu: qemu-system-arm -M raspi2 -dtb bcm2709-rpi-2-b.dtb -kernel kernel7.img -drive format=raw,file=2018-06-27-raspbian-str...
by mikerr
Wed Nov 07, 2018 9:11 pm
Forum: Advanced users
Topic: x86 on the Raspberry Pi with jessie chroot
Replies: 18
Views: 2679

Re: x86 on the Raspberry Pi with jessie chroot

Nothing new, you're treading the same steps we did in 2012ish... https://www.raspberrypi.org/forums/viewtopic.php?f=41&t=12727 Follow that thread to see how it's done, but some patches will have been integrated into qemu by now. (And lots of posters moaned it wasn't possible or would be too slow the...
by mikerr
Mon Nov 05, 2018 9:14 pm
Forum: HATs and other add-ons
Topic: TV Hat - Multiple Recordings
Replies: 2
Views: 548

Re: TV Hat - Multiple Recordings

You can record multiple channels if they are on the same mux (multiplex) It's a single tuner which can only access one mux at a time, but one mux can host dozens of channels: Freeview has 5-6 muxes with dozens of channels on each one. E.g PSB2 has ITV2 and ITV3 https://ukfree.tv/transmitters/multipl...
by mikerr
Sat Nov 03, 2018 5:44 pm
Forum: Advanced users
Topic: x86 on the Raspberry Pi with jessie chroot
Replies: 18
Views: 2679

Re: x86 on the Raspberry Pi with jessie chroot

The main thing is qemu which is used to emulate x86 on the pi. Exagear is essentially an x86 chroot install with a modified/optimized qemu and wine(if using Windows apps) You need to compile your own kernel for 3/1 memory split. Also have a prebuilt image here: https://github.com/mikerr/RPi-QEMU-x86...
by mikerr
Fri Nov 02, 2018 10:36 pm
Forum: Off topic discussion
Topic: Imagine Apple Pi
Replies: 5
Views: 1066

Re: Imagine Apple Pi

Err, Apple is really the opposite of everything raspberry pi stands for (originally at least) Apple sell high priced self contained devices which do their best to hide their inner workings and complexity, and are very restrictive and locked down from modification. Raspberry pi are cheap devices, sol...
by mikerr
Fri Nov 02, 2018 12:15 pm
Forum: General discussion
Topic: Whoa, cheap flash memory prices?!
Replies: 24
Views: 1708

Re: Whoa, cheap flash memory prices?!

Given that 8GB cards either cost more, or are hard to get, I cant see the down side of getting a 16GB or 32GB card. You don't have to use the space :) £5.99 here for a 16GB sandisk A1. https://www.amazon.co.uk/SanDisk-microSDHC-Memory-Adapter-Performance/dp/B073S9SFK2/ref=sr_1_19?ie=UTF8&qid=154115...

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