Installing Picochess manually

[Marc Hamilton]

Randy, 

Thanks for the guidance on installing picochess manually. Basically, I copied the picochess directory to a desktop version of the Raspberry OS (Buster) and had to configure it to "start up" on the boot of the Pi. Also had to add-in the Bluetooth fix. 

Multiple attempts, but eventually it fired up and connected on the BT board.

The only odd problem, was when I put the original Micro SD Card back in the Pi that contains your Pi Desktop version I had to pair the Bluetooth again by going back into the bluetoothctl file. 

In the end, there was no practical reason for doing this other than I now have a better understanding of the picochess app installation/configuration  requirememts.

[Randy Reade]

Just a guess but maybe there's a key combo created when you pair the Pi and the board, and having to pair it in a new OS image removes the previous one so when switching back, the original pairing is no longer valid. I've never looked into pairing BT devices very deeply.

There's a few more steps that I didn't mention, namely updating spur with the 'Windows Remote engine' fix, the fix for uci.py in Python-chess, libraries for mame and lc0... there may be others. I'll check tomorrow if I have an updated process written down. I've done it so often it's mostly from memory. 😁

Randy

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[RandyR]

Mark (and anyone else interested),

Here are the steps I take when setting up PicoChess on a new RPiOS image for the DGTPi. It assumes you have a backup a current /opt/picochess folder which you can copy recursively onto the SD Card (e.g. using rsync in linux), preserving root permissions and ownership. I use a laptop which dual boots Windows 10 and Linux Mint (Debian-based distros are probably best for this task). Let me know if something doesn't make sense or if you think I missed a step.

Randy

[m371...@gmail.com]

I’ll give it a try and get back to you; looks fairly straight forward.  Is #13 a series of gits or is that one command-line? If it is a series, a common between the gits would help clarify.   Marc

 

Sent from Mail for Windows

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[RandyR]

On Monday, January 24, 2022 at 9:40:12 AM UTC-6 m371...@gmail.com wrote:

... Is #13 a series of gits or is that one command-line?

No. It's a command (apt) to install a bunch of packages, which includes git. Should be entered as one line.

Randy 

[Marc Hamilton]

Randy, 

Using your Picochess Build Instructions, it took me two-tries to have success installing the Picochess App on a Raspberry Pi OS. The first time I'd get to the DGT-Pi prompt and it would freeze. After some tinkering, I decided to flash the card again since I had to foresight to burn a version with the Picochess Directory already copied to /opt.  So about 35 minutes of work later (after the reflash) I got it to fire up (with your Bluetooth Fix incorporated) .

I didn't see any issues with your instructions, other than I only had version 3.7 of Python installed and not version 3.9. Not sure why the upgrade didn't bump it. 

Marc 

[RandyR]

Good to hear, Mark. I guess you started with RPiOS 'Buster', which has Python 3.7. The new 'Bullseye' version comes with Python 3.9.2 as far as I know. And I think they both have Python 2.7 (invoked by python rather than python3).

Randy

[m371...@gmail.com]

Yes, I used a Buster version of Raspberry. Originally, I was using Bullseye but ran into too many display issues on the desktop GUI.

 

Figuring out rsync was a bit of a headache… Is there a way to put your password in the command line?

 

rsync -avz --progress -h -p  p...@192.168.1.16:test/filename.txt /mnt/c/Users/m371h/pico

 

Sent from Mail for Windows

 

From: RandyR
Sent: Monday, January 24, 2022 6:43 PM
To: PicoChess
Subject: Re: Installing Picochess manually

 

Good to hear, Mark. I guess you started with RPiOS 'Buster', which has Python 3.7. The new 'Bullseye' version comes with Python 3.9.2 as far as I know. And I think they both have Python 2.7 (invoked by python rather than python3).

 

Randy

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[Randy Reade]

I've never tried it myself but have a look at this page:

https://unix.stackexchange.com/questions/111526/how-can-i-rsync-without-prompt-for-password-without-using-public-key-authentica

Randy

[m371...@gmail.com]

I’m trying to use bash, which is a Linux subsystem in Windows that runs Ubuntu.

 

I’m issuing this command

sudo rsync -avz --progress -h --perms --archive /mnt/c/Users/m371h/pico/test p...@192.168.1.16:test2

 

 

All the files on the Ubuntu “test” directory have the ownership root:root, however when I  rsync them, to the Pi directory (as test2), Pi is the owner, so I can’t retain the root ownership.

 

Note, I realize -a should do this and –perms and -archive are repetitive…  

 

Last night, I had to go into picochess and set all the ownership back to root and do a lot of chmod 755 updates… trying to avoid that long process again.

 

 

Sent from Mail for Windows

 

From: Randy Reade
Sent: Tuesday, January 25, 2022 10:13 AM
To: pico...@googlegroups.com
Subject: Re: Installing Picochess manually

 

I've never tried it myself but have a look at this page:

 

https://unix.stackexchange.com/questions/111526/how-can-i-rsync-without-prompt-for-password-without-using-public-key-authentica

 

Randy

 

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[m371...@gmail.com]

Just to clarify, I can retain the root ownership if I transfer the files from the Pi to Windows, its when I transfer them back to the Pi, I lose the root ownership.  

 

Sent from Mail for Windows

 

From: Randy Reade

Sent: Tuesday, January 25, 2022 10:13 AM
To: pico...@googlegroups.com

Subject: Re: Installing Picochess manually

 

I've never tried it myself but have a look at this page:

 

https://unix.stackexchange.com/questions/111526/how-can-i-rsync-without-prompt-for-password-without-using-public-key-authentica

 

Randy

 

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[RandyR]

Running rsync from the Pi side with sudo would probably be the best but if you're using WSL2 it may not be worth the effort setting it up. Probably a better option is to compress the source picochess folder into a tarball and transfer that.

And, yes, I've had to do that 'repair' once or twice myself. Chown recursively is nice but chmod-ing specific files is a real pain. The joys of learning Linux.

From the WSL folder containing picochess (you might need to install gzip first):

tar -cvjf picochess.tgz ./picochess

Send it using rsync as before and then on the Pi, uncompress:

sudo tar -xvzf picochess.tgz /opt

Randy

[m371...@gmail.com]

Thanx…that makes sense to compress/decompress on Linux… Mark

To view this discussion on the web visit https://groups.google.com/d/msgid/picochess/7bd1a526-4dc0-4d22-b4e9-d635edecfc14n%40googlegroups.com.

 

[m371...@gmail.com]

That worked… I didn’t use the picochess.tgz because of its size. However, I created a directory structure of files all owned by root. I compressed it, copied it to windows then back to another Pi, decompressed it and all the files maintained there permissions and were owned by root.

 

Thanx… I can go drink some coffee now, I’ve been sitting here for 7 hours 😊

 

Sent from Mail for Windows

 

From: RandyR
Sent: Tuesday, January 25, 2022 11:51 AM
To: PicoChess

To view this discussion on the web visit https://groups.google.com/d/msgid/picochess/7bd1a526-4dc0-4d22-b4e9-d635edecfc14n%40googlegroups.com.

 

[Randy Reade]

Glad it worked, Mark.

Randy

[Mark HL]

One last thing... A person commented on YouTube he had a tournament BT board, but could not get the BT to connect with version 3 of Pico. I sent him your instructions on the BT fix and he got back to me today, saying everything is working... 

Sent from my Samsung Tab S7

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From: pico...@googlegroups.com <pico...@googlegroups.com> on behalf of Randy Reade <randy...@gmail.com>
Sent: Tuesday, January 25, 2022 1:55:58 PM
To: pico...@googlegroups.com <pico...@googlegroups.com>

Subject: Re: Installing Picochess manually

Glad it worked, Mark.

Randy

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[Randy Reade]

That's great, Mark. Thanks for confirming the 'fix'.

Randy

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