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by aristosv
Wed Feb 20, 2019 2:46 pm
Forum: General discussion
Topic: a way to consolidate multiple if statements?
Replies: 3
Views: 137

Re: a way to consolidate multiple if statements?

I understand your point, but I’m not really a fan of the “if it’s not broken, don’t fix it” philosophy. I like messing around with things :)

I’ll look into “case”, see if I can find some examples. Thanks for your suggestion.
by aristosv
Wed Feb 20, 2019 2:29 pm
Forum: General discussion
Topic: a way to consolidate multiple if statements?
Replies: 3
Views: 137

a way to consolidate multiple if statements?

I have a RaspberryPi, running Raspbian, playing an audio stream using omxplayer. If the first stream is offline, I want it to fall back to a secondary stream, and if both streams are down, I want it to play from a local music folder. So I created three services, each one handling a task. (2 streams ...
by aristosv
Fri Dec 14, 2018 7:24 am
Forum: Raspbian
Topic: configure "pi" password before booting for the first time
Replies: 4
Views: 299

Re: configure "pi" password before booting for the first time

Hi, - I want to change it because I don't want it to be the default one. The fact that it won't warn me any more is an added bonus. - I am using raspbian stretch lite. - Are you suggesting that after I burn the .img to the microSD, I modify /etc/shadow file? That could be a way I guess. - I would lo...
by aristosv
Fri Dec 14, 2018 6:00 am
Forum: Raspbian
Topic: configure "pi" password before booting for the first time
Replies: 4
Views: 299

configure "pi" password before booting for the first time

I am preparing a raspbian image for digital signage, and I am trying to automate as many things as possible before booting for the first time. I know I can enable ssh server, configure WiFi and plenty of other options through cmdline.txt and config.txt, before even booting raspbian for the first tim...
by aristosv
Thu Dec 13, 2018 3:34 pm
Forum: General discussion
Topic: how to stop the screen from going blank on a lite system running x
Replies: 5
Views: 178

Re: how to stop the screen from going blank on a lite system running x

Unfortunately I had to go with a workaround, even through I don't like them, and installed xdotool to simulate a key press every 5 minutes. [Unit] Description=browser After=network.target [Service] ExecStart=/bin/bash -c "export DISPLAY=:0.0 ; sudo startx /usr/bin/chromium-browser gmail.com -no-sand...
by aristosv
Thu Dec 13, 2018 1:57 pm
Forum: General discussion
Topic: how to stop the screen from going blank on a lite system running x
Replies: 5
Views: 178

Re: how to stop the screen from going blank on a lite system running x

I did try this suggestion http://www.pihome.eu/2017/10/11/raspber ... imisation/ to disable power management but it made no difference.
by aristosv
Thu Dec 13, 2018 11:53 am
Forum: General discussion
Topic: how to stop the screen from going blank on a lite system running x
Replies: 5
Views: 178

Re: how to stop the screen from going blank on a lite system running x

What do you mean? I'm already using startx just to display the browser window in kiosk mode.
by aristosv
Thu Dec 13, 2018 10:48 am
Forum: General discussion
Topic: how to stop the screen from going blank on a lite system running x
Replies: 5
Views: 178

how to stop the screen from going blank on a lite system running x

I installed Raspbian Stretch Lite (2018-11-13) Then I installed xinit and chromium (sudo apt-get install -y xinit chromium-browser) Now I start cromium, on demand basis, to show a website on the TV the raspberry pi is connected. I basically handle this as a service and it works great! I can get the ...
by aristosv
Thu Dec 06, 2018 8:42 am
Forum: Raspbian
Topic: raspbian remove all the text shown during the boot up process
Replies: 3
Views: 481

Re: raspbian remove all the text shown during the boot up process

I understand. It's just a test-bed though. The production Pi's will have at least 3 amps power supplies.
by aristosv
Thu Dec 06, 2018 8:35 am
Forum: Raspbian
Topic: raspbian remove all the text shown during the boot up process
Replies: 3
Views: 481

Re: raspbian remove all the text shown during the boot up process

eventually I found it. This gave me a completely blank screen. echo hide raspberry pi icons sudo sed -i "1 s|$| logo.nologo quiet splash|" /boot/cmdline.txt echo hide boot messages sudo sed -i "1 s|$| quiet splash|" /boot/cmdline.txt echo disable login prompt sudo systemctl disable getty@tty1.servic...
by aristosv
Wed Dec 05, 2018 9:12 pm
Forum: Raspbian
Topic: raspbian remove all the text shown during the boot up process
Replies: 3
Views: 481

raspbian remove all the text shown during the boot up process

I am using Raspbian Stretch Lite and I want to remove all the text scrolling during the boot up process. I've googled how to do this and found various articles indicating that I should modify /boot/cmdline.txt, redirect the console to tty3 and configure loglevel=3. I also tried dmesg --console-off i...
by aristosv
Sun Dec 02, 2018 8:51 pm
Forum: General discussion
Topic: run fbi as a systemd service - no output to TV
Replies: 1
Views: 181

Re: run fbi as a systemd service - no output to TV

eventually I used fim. It worked right away.
by aristosv
Sun Dec 02, 2018 8:28 am
Forum: General discussion
Topic: run fbi as a systemd service - no output to TV
Replies: 1
Views: 181

run fbi as a systemd service - no output to TV

I am currently using this command to display a slideshow of images on a TV. fbi -T 3 -a -noverbose -t 4 /var/rpi/media/images/* I want to use this as a service though, so I can better manage it, get it's status, etc. So I created this service file /etc/systemd/system/images.service [Unit] Descriptio...
by aristosv
Sat Sep 08, 2018 6:45 am
Forum: General discussion
Topic: raspbian on a vertical touchscreen - the mouse thinks its horizontal
Replies: 2
Views: 118

raspbian on a vertical touchscreen - the mouse thinks its horizontal

I am using the latest version of raspbian on a 27’ touchscreen displaying the raspbian desktop. I added “display_rotate=1” at the end of “/boot/config.txt” because the touchscreen is mounted vertically. All good, the desktop appears vertically, everything working just fine. Except for the mouse. For...
by aristosv
Sun Aug 12, 2018 4:34 pm
Forum: General discussion
Topic: enable the camera module on chromium browser
Replies: 1
Views: 343

Re: enable the camera module on chromium browser

my bad. this fixed it.

Code: Select all

sudo sed -i -e "\$asnd-bcm2835" /etc/modules
sudo sed -i -e "\$abcm2835-v4l2" /etc/modules
echo "options bcm2835-v4l2 gst_v4l2src_is_broken=1" | sudo tee /etc/modprobe.d/bcm2835-v4l2.conf
obviously I was not loading the module on startup.
by aristosv
Sun Aug 12, 2018 3:40 pm
Forum: General discussion
Topic: enable the camera module on chromium browser
Replies: 1
Views: 343

enable the camera module on chromium browser

I have an RPi3 running Raspbian stretch, and the NoIR camera module installed. When running "raspistill -v -o test.jpg" I get a picture, so I know the camera works correctly. Using chromium-browser, I open webcamtoy.com and try to take a picture through the browser. But I get a message saying "Camer...
by aristosv
Sat Jun 02, 2018 2:56 am
Forum: General discussion
Topic: samba allow write all users
Replies: 4
Views: 290

Re: samba allow write all users

this worked
[Shared]
path = /media
read only = no
guest ok = yes
But now the local users of the pi can't write in the folders created under /media
by aristosv
Fri Jun 01, 2018 5:35 pm
Forum: General discussion
Topic: samba allow write all users
Replies: 4
Views: 290

samba allow write all users

I want to configure samba on my raspberry pi, to create a shared folder writable by everyone. Everyone means, I won't create samba users on Raspbian, and any user from any Windows machine will be able to write in this folder. I tried multiple options in /etc/samba/smb.conf. I can make the shared fol...
by aristosv
Sat Jan 07, 2017 7:55 am
Forum: Beginners
Topic: load variables from previous folder
Replies: 1
Views: 313

load variables from previous folder

I am currently using this to load the variables in my bash scripts source "${BASH_SOURCE%/*}/variables" After a few changes in the folder structure of my scripts, I now have to go back one folder, enter another folder and then load the variables file. How can I modify the line above to accommodate t...
by aristosv
Sun Dec 25, 2016 3:40 pm
Forum: Raspbian
Topic: merge two bash scripts
Replies: 0
Views: 307

merge two bash scripts

I am currently running the following two bash scripts, in order to start x, matchbox and midori on the raspberry pi hdmi, using a remote ssh session. start-browser #!/bin/bash # import variables source /var/rpi/scripts/config/variables/general echo "starting browser" DISPLAY=:0.0 sudo xinit $config/...
by aristosv
Mon Dec 19, 2016 7:06 pm
Forum: General discussion
Topic: shuffling mp3 files with spaces causes problems
Replies: 8
Views: 904

shuffling mp3 files with spaces causes problems

I am trying to loop and shuffle the mp3 files in a directory so I can play them randomly and continuously. So I created this script. #!/bin/bash # import variables source "${BASH_SOURCE%/*}/variables" # loop & shuffle while true do for audio in $(ls $localaudiomedia/* | shuf) do echo "playing $audio...
by aristosv
Fri Dec 16, 2016 12:42 pm
Forum: General discussion
Topic: having trouble killing omxplayer
Replies: 7
Views: 1408

having trouble killing omxplayer

I tried various things, but I can't kill omxplayer. I know I must be missing something. Help? root@ClientX:/var/rpi/scripts# ps -ef | grep omx root 2345 1446 0 14:36 pts/0 00:00:00 sudo /usr/bin/omxplayer /var/rpi/media/video/23-08-2016.mp4 root 2346 2345 0 14:36 pts/0 00:00:00 /bin/bash /usr/bin/om...
by aristosv
Thu Dec 08, 2016 8:49 pm
Forum: Raspbian
Topic: Read-only Jessie
Replies: 17
Views: 8021

Re: Read-only Jessie

The various web sites that have documented making the PI read only remove a variety of packages. In addition, they end up making the normal place the seed file gets written, read only. Thus the need to create the seed on each boot in some temp space. At least that is how I understand the random-see...

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