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 Forum index » Advanced Topics » Puppy Projects
The Debian-Stretch-Live Starter Kit
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Sat 02 Mar 2019, 07:31    Post subject:  

How to make a squashfs module for wxMaxima

wxMaxima is a GUI front-end for the open-source Maxima symbolic math system. It is in the Debian repos, so you can do a standard repo2sfs build.

Use the Package name: wxmaxima
And the Extra package: gnuplot-x11

At Pause B, go to /tmp/repo2sfs and make two changes:

1. Go into usr/share and delete the mime folder.
2. Go into usr/bin, open a terminal and type: ln -sf gnuplot-x11 gnuplot

Finish the build. Look for wxMaxima in the Education menu.

When the program starts, it pops-up a Hints window that may be hiding behind the main screen. You must close it first.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Mon 04 Mar 2019, 10:28    Post subject:  

See below.
Last edited by rcrsn51 on Thu 07 Mar 2019, 08:07; edited 1 time in total
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Moat


Joined: 16 Jul 2013
Posts: 967
Location: Mid-mitten

PostPosted: Tue 05 Mar 2019, 19:25    Post subject:  

rcrsn51 wrote:
Here is a little stand-alone app that converts MP3 files to WAV format (or vice versa).


Works a treat in my DebDog mklive spin (just a quick test); converted an 8.3 Mb/192 kbps mp3 into ---> a 61 Mb wav file incredibly fast (3 seconds or less!). Didn't even have time to catch/read/follow any of the terminal info... Of course, converting the other direction (wav ---> 128 kbps mp3) took longer, but not much (about 6-7 seconds).

I see one can change the default destination directory @ line 46, and choose the mp3 bitrate using the -b flag (replacing -h) @ line 14 (those changes worked for me, anyway...).

Neat little tool - thanks, rcrsn51! Smile

Bob
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Wed 06 Mar 2019, 05:52    Post subject:  

Thanks for testing. Regarding the defaults: I considered handling them with a config file, but it didn't feel like it was worth the trouble.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Thu 07 Mar 2019, 08:09    Post subject:  

This little app converts audio files between MP3, OGG and WAV formats. The dependencies are lame and vorbis-tools.

It primarily works with single files. But if you paste in the path of a folder, it will batch-process all the audio files inside.

The program is /usr/local/bin/mp3-ogg-wav-converter. At the top are two lines where you can modify the encoding options for MP3 and OGG formats.
Code:
export MP3OPTS="-h"
export OGGOPTS="-q3"

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mp3-ogg-wav-converter_1.0_all.deb.gz
Description  Remove the fake .gz extension
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Filename  mp3-ogg-wav-converter_1.0_all.deb.gz 
Filesize  5.13 KB 
Downloaded  86 Time(s) 
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Fri 08 Mar 2019, 06:50    Post subject:  

How to use a modem in the Starter Kit

This is a trivially simple dialing program. It just runs wvdial and logs the output in a window. It has been tested successfully with a USB analog modem and should also work with cellular modems. Any feedback is welcome.

Run: apt-get install wvdial

If you have a USB modem that initially appears as an optical or usb device, run: apt-get install usb-modeswitch
This switches the device to a tty modem when you plug it in.

Install peasydial_1.0_all.deb attached below.

Run: wvdialconf
This creates an initial config file /etc/wvdial.conf.
Edit /etc/wvdial.conf and insert your connection data.

Run PeasyDial from the Internet menu.
Click Connect.
When you see "--> local IP address aaa.bbb.cc.dd", click OK.

As a quick test, run: busybox ping -c5 www.google.com

Netsurf is an excellent light-weight browser for working over dial-up. Use repo2sfs to build a squashfs module from the Stretch repos. Or get the latest version from the Netsurf website in .deb form and do a third-party build.

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peasydial_1.0_all.deb.gz
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Filesize  2.88 KB 
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Sun 10 Mar 2019, 07:10    Post subject:  

This is an old Thinkpad T61 laptop. It has a 1.8 GHz Core2Duo CPU, 3GB RAM, Intel Mobile GM965 graphics and Intel WiFi.

Everything works except for the Conexant modem. It has enough power to run Youtube video at 720p.

This is a refurbished unit with a clean install of Win7 that I wanted to keep for a while. So I split off a Linux partition sda3, did a frugal install, put Legacy GRUB on sda3's PBS and flagged sda3 as bootable. Windows boots from the GRUB menu on sda3 by chainloading.

As a test, I reduced the RAM to 1GB. It still runs OK.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Sun 10 Mar 2019, 10:41    Post subject:  

How to make a squashfs module for Osmo 0.2.14

This is a standard repo2sfs build. But if you want spellchecking, you must include an Extra package like: hunspell-en-ca.

People who use Osmo regularly might want to auto-start it at bootup.

1. Copy the squashfs module into the "live" folder of your frugal setup. Or just do a regular apt-get install of Osmo.
2. Run: ln -sf /usr/bin/osmo /root/Startup/osmo
3. Under Preferences > General > System Tray, select Start Minimized.

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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Mon 11 Mar 2019, 05:59    Post subject:  

This is an old DOS game running through a squashfs module of DOSBox. Since I no longer own any gameport hardware, it's keyboard-control only. But it may be possible to emulate a USB joystick as a gameport device under DOS.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Sun 13 Oct 2019, 11:12    Post subject:  

Updated 2019-10-13.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Mon 14 Oct 2019, 06:29    Post subject:  

I have updated the combo package of additional WiFi drivers to include the Realtek USB 8811cu/8821cu.

Read here.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Yesterday, at 05:23    Post subject:  

Here is a set of 64bit SANE scanner backends.

Note: You CANNOT install these package with apt because they overwrite existing files.
a. Download and extract the debbi tool below. Copy it to /usr/local/bin.
b. Run, for example: debbi sane-backend-pixma_1.0.28_amd64.deb

Pixma: The updated scanner driver for Canon Pixma printers. It is from SANE v1.0.28 and supports new models like the TS series.

Xerox_mfp: An open-source substitute for the Samsung vendor scanner driver and others.

Genesys: The SANE v1.0.28 driver for the Canon LiDE series of scanners. Download it here.

Epkowa: The original Epson driver from the vendor's Debian package but without a lot of extra stuff. Epson appears to have discontinued epkowa in favour of a more complicated scanning system. But epkowa still works for me.

If you have a newer model that is not detected by epkowa:
a. Run lsusb to get its vendor:product ID codes
b. Go to /etc/sane.d and open the file epkowa.conf
c. At line 25, add a line like: usb 0x04b8 0x1114

You may have conflicts between epkowa and the older epson/epson2 drivers.
Open /etc/sane.d/dll.conf and comment out the ones you don't want.
sane-backend-xerox-mfp_1.0.28_amd64.deb.gz
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Filename  sane-backend-xerox-mfp_1.0.28_amd64.deb.gz 
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sane-backend-epkowa_1.0.15_amd64.deb.gz
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Filename  sane-backend-epkowa_1.0.15_amd64.deb.gz 
Filesize  165.29 KB 
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debbi.tar.gz
Description  Extract this - it is NOT a fake .gz
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Filename  debbi.tar.gz 
Filesize  427 Bytes 
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sane-backend-pixma_1.0.28_amd64.deb.gz
Description  Remove the fake .gz extension
gz

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Filename  sane-backend-pixma_1.0.28_amd64.deb.gz 
Filesize  72.36 KB 
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rcrsn51


Joined: 05 Sep 2006
Posts: 12743
Location: Stratford, Ontario

PostPosted: Today, at 22:49    Post subject:  

This is a tray applet that runs the vnstat network monitor. The dependency is vnstat.

The default interface is eth0. Look in /etc/vnstat.conf to change various settings.
vnstat-tray_1.0_amd64.deb.gz
Description  Remove the fake .gz extension
gz

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Filename  vnstat-tray_1.0_amd64.deb.gz 
Filesize  3.82 KB 
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