Go to advanced search

by B.Goode
Wed Aug 15, 2018 10:38 pm
Forum: General discussion
Topic: Help identifying a Rpi?
Replies: 19
Views: 357

Re: Help identifying a Rpi?

I'm going to make him a new install on a good quality card, but how do I find out exactly what Rpi he has, I assume that's part of the creation of the card at some point? Possibly not. The current most recent release of the Raspberry Pi Foundation recommended and supported Raspbian Stretch Operatin...
by B.Goode
Wed Aug 15, 2018 3:45 pm
Forum: Networking and servers
Topic: scp transfer of .PNG photos---something doesn't work
Replies: 14
Views: 188

Re: scp transfer of .PNG photos---something doesn't work

The file type and the filename are different and unrelated. The simple fact is that you have no files in that folder that match the filename patterns *.PNG or *.png You need to spend a little while getting acquainted with file naming and handling in a Linux system... This experience should be the pe...
by B.Goode
Wed Aug 15, 2018 3:04 pm
Forum: Networking and servers
Topic: scp transfer of .PNG photos---something doesn't work
Replies: 14
Views: 188

Re: scp transfer of .PNG photos---something doesn't work

Well, that pretty much answers that, doesn't it? I'm not sure it answers anything. I assure you there are three .PNG photos in that folder. I am looking at them in the folder on my desktop monitor. The fact that there are "three .PNG photos in that folder" is exactly the point... Retry with ls -al ...
by B.Goode
Wed Aug 15, 2018 2:29 pm
Forum: Troubleshooting
Topic: Bash Script when reboot
Replies: 10
Views: 108

Re: Bash Script when reboot

n67 wrote:
Wed Aug 15, 2018 2:26 pm
Is it possible/useful to invoke screen during the startup process?
Yes. I (and others) do it all the time.
OK. Thanks
by B.Goode
Wed Aug 15, 2018 2:28 pm
Forum: Networking and servers
Topic: scp transfer of .PNG photos---something doesn't work
Replies: 14
Views: 188

Re: scp transfer of .PNG photos---something doesn't work

Maybe show us the result, on the RPi, of

Code: Select all

ls -al /home/pi/Desktop/folder/*.png 
by B.Goode
Wed Aug 15, 2018 2:22 pm
Forum: Troubleshooting
Topic: Bash Script when reboot
Replies: 10
Views: 108

Re: Bash Script when reboot

From: https://www.gnu.org/software/screen/manual/screen.html#Overview Screen is a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells. [ ... ] When screen is called, it creates a single window with a shell in it (or the specified co...
by B.Goode
Wed Aug 15, 2018 1:32 pm
Forum: Troubleshooting
Topic: can not launch hostapd on raspberry pi 3B+
Replies: 7
Views: 103

Re: can not launch hostapd on raspberry pi 3B+

The Raspberry Pi Foundation have their own documentation for setting up an Access Point, here: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md Even if you have your own reason for using a different implementation, perhaps as a troubleshooting/diagnostic step you coul...
by B.Goode
Wed Aug 15, 2018 9:55 am
Forum: Troubleshooting
Topic: Connect Pi 3 B to laptop
Replies: 13
Views: 156

Re: Connect Pi 3 B to laptop

Can I use a simple phone charger adaptor with a micro USB cable? Another reference to existing Raspberry Pi Foundation documentation: https://www.raspberrypi.org/help/faqs/#topPower A "simple phone charger adaptor with a micro USB cable" might work. But it must not be deficient in any of these resp...
by B.Goode
Wed Aug 15, 2018 9:15 am
Forum: Troubleshooting
Topic: Connect Pi 3 B to laptop
Replies: 13
Views: 156

Re: Connect Pi 3 B to laptop

Those "files" that one must create, those are simple .txt, folders, or something else? See the documentation already referenced: From - https://www.raspberrypi.org/documentation/remote-access/ssh/README.md 3. Enable SSH on a headless Raspberry Pi (add file to SD card on another machine) For headles...
by B.Goode
Wed Aug 15, 2018 9:05 am
Forum: Troubleshooting
Topic: Connect Pi 3 B to laptop
Replies: 13
Views: 156

Re: Connect Pi 3 B to laptop

Non-technical aside: I have watched youtube tutorials for the past 4 or so hours doing everything step by step. But nothing works for me. tried everything... NOTHING WORKS! For someone studying at bachelor's degree level a report of Nothing Works is surprising. An indication of what steps you took a...
by B.Goode
Wed Aug 15, 2018 7:04 am
Forum: Troubleshooting
Topic: Raspberry pi3 is not booting red light stop
Replies: 8
Views: 181

Re: Raspberry pi3 is not booting red light stop

There is a Troubleshooting guide in Issue 60 of the MagPi magazine which you can access for free online. https://www.raspberrypi.org/magpi/issues/60/ The Raspberry Pi Foundation have a Troubleshooting Guide on their website: https://www.raspberrypi.org/learning/troubleshooting-guide/ These forums ha...
by B.Goode
Tue Aug 14, 2018 6:39 pm
Forum: Troubleshooting
Topic: Can't ping my PC from Raspbian
Replies: 1
Views: 61

Re: Can't ping my PC from Raspbian

How to ping my desktopo from Raspbian ?

Can you confirm that there is no form of firewalling or other form of inbound access control on the Linux desktop system that might be blocking the connection?
by B.Goode
Tue Aug 14, 2018 6:24 pm
Forum: Graphics, sound and multimedia
Topic: trying to install zoneminder
Replies: 3
Views: 64

Re: trying to install zoneminder

I don't have any alternative advice to give, but just to point out that the write-up you have cited is quite outdated. The last release of Raspbian to be based on Jessie was in July 2017, being superseded by Raspbian Stretch almost exactly 12 months ago. There have been 5 subsequent update releases ...
by B.Goode
Tue Aug 14, 2018 12:19 pm
Forum: Python
Topic: IDE For Python - Best One
Replies: 8
Views: 166

Re: IDE For Python - Best One

The programmers editors installed by default with the Raspbian Operating System include Thonny, Geany, and IDLE3. There is a new option, Mu, mentioned in a recent Raspberry Pi Foundation blog post, that is not pre-installed but is trivial to add. But you don't need an IDE to start programming in Pyt...
by B.Goode
Tue Aug 14, 2018 10:09 am
Forum: Troubleshooting
Topic: Tutorial for MQTT on Raspbian Jessie?
Replies: 41
Views: 57601

Re: Tutorial for MQTT on Raspbian Jessie?

You can assign your 169.254.78.169 IP with sudo ifconfig eth0 169.254.78.169/16 Maybe not... This is an RPi Zero, hence no Ethernet port, and it has been set up as a standalone WiFi access point. (You have also advised the same user in this parallel thread: https://www.raspberrypi.org/forums/viewto...
by B.Goode
Mon Aug 13, 2018 8:24 pm
Forum: Other projects
Topic: RPI-Z as compass feedback
Replies: 8
Views: 136

Re: RPI-Z as compass feedback

The problems I forsee having are: Programming the Pi to display the cardinal direction and possibly even the azimuth. How to display that information in an acceptable manner given a tactical environment. Just a sanity check. And I'm content to be told I am mistaken... Are you sure you can get that ...
by B.Goode
Mon Aug 13, 2018 5:43 pm
Forum: Automation, sensing and robotics
Topic: Calculate distance traveled with a variable time and speed
Replies: 3
Views: 86

Re: Calculate distance traveled with a variable time and speed

I don't think there is anything specific about Python, Raspbian or Raspberry Pi hardware that invalidates the discussion you have linked to. Apart from anything else, you need to be unambiguous in determining what you need to know - how far you have travelled, or how far you are from where you start...
by B.Goode
Mon Aug 13, 2018 4:56 pm
Forum: Beginners
Topic: Graphical User Interface & its framework
Replies: 7
Views: 121

Re: Graphical User Interface & its framework

Basically any program that you load on your computer that doesn't use a web browser. scotty101 && heater, thanks for your detail explanations >>Basically any program that you load on your computer that doesn't use a web browser. What is the example of this statement. I am using raspberry, this is n...
by B.Goode
Mon Aug 13, 2018 4:29 pm
Forum: General discussion
Topic: Which operating system for Pi Zero W as access point, MQTT only
Replies: 29
Views: 535

Re: Which operating system for Pi Zero W as access point, MQTT only

Looks like I don't need the MQTT IP. I opened 2 Putty windows 1. Subscribed to topic 2. Published to topic, msg #1 received the message It is true that you don't need to know the IP address of the machine running your MQTT broker in the circumstances under which you have run your test. If you do no...
by B.Goode
Mon Aug 13, 2018 2:45 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: High Speed Communication to Pi Hat
Replies: 4
Views: 85

Re: High Speed Communication to Pi Hat

Disclaimer: probably only of interest for academic or theoretical purposes, not a new practical application - See https://pinout.xyz/pinout/gertvga_666 That would seem to suggest that in principle it is possible to send video out over a gpio connection. Input is not mentioned - it is not listed as o...
by B.Goode
Mon Aug 13, 2018 2:30 pm
Forum: General discussion
Topic: Connect to WIFI-AP with out wpa_supplicant.conf
Replies: 1
Views: 38

Re: Connect to WIFI-AP with out wpa_supplicant.conf

Welcome to the Raspberry Pi forums. This is dealt with in the documentation published by the Raspberry Pi Foundation here: https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md In the section headed Adding the network details to the Raspberry Pi it says: The password {psk}...
by B.Goode
Mon Aug 13, 2018 1:51 pm
Forum: General discussion
Topic: Which operating system for Pi Zero W as access point, MQTT only
Replies: 29
Views: 535

Re: Which operating system for Pi Zero W as access point, MQTT only

Will report back. Are you going to be available today if I have any issues? Looks straight forward but, unexpected things happen! The majority of assistance offered in these forums comes from (unpaid) volunteers giving up their own free time. Whether anyone with appropriate knowledge is available a...
by B.Goode
Mon Aug 13, 2018 12:27 pm
Forum: General discussion
Topic: Which operating system for Pi Zero W as access point, MQTT only
Replies: 29
Views: 535

Re: Which operating system for Pi Zero W as access point, MQTT only

Apart from the fact that the Capitalisation is incorrect, that looks like a default installation of Raspbian. The Raspberry Pi Foundation documentation for setting up your RPi as a WiFi access point that your (wifi-equipped?) Arduino can associate with is here: https://www.raspberrypi.org/documentat...
by B.Goode
Mon Aug 13, 2018 10:36 am
Forum: Graphics, sound and multimedia
Topic: trying to install zoneminder
Replies: 3
Views: 64

Re: trying to install zoneminder

Welcome to the Raspberry Pi forums. Since this is a 'first steps' question it demands a 'first steps' answer. Before I start listing the errors I get during failed installations, I would like to make sure that I am starting from the right OS. What is the OS that suits my needs best please? I have in...
by B.Goode
Mon Aug 13, 2018 9:50 am
Forum: General discussion
Topic: (Solved)Which models of USB HDD work when connected directly to the PI?
Replies: 13
Views: 337

Re: Which models of USB HDD work when connected directly to the PI?

you should have no issues
But clearly @GAP does have issues with this, as two closely related parallel threads show...

Go to advanced search