I recently wrote a simple server in Go: It works perfectly well if compiled and then executed by ./go_http_server &. The problem is that it doesn’t survive reboots. So after some reading, I attempted to daemonize it by placing a script in /etc/init.d: …then running update-rc.d go_http_server defaults, and poof! It runs on boot, as verified by ps -ef |
Tag: raspberry-pi
ACID Transactions at the File System
Background: I am getting a temperature float from an arduino via a serial connection. I need to be able to cache this temperature data every 30 seconds for other applications (e.g. web, thermostat controller) to access and not overload the serial connection. Currently I cache this data to RAM as a file in /run (I’m trying to follow Linux convention).
Detect wireless devices connected to Raspberry Pi in python on Linux
In my python code I need to get the list of “physical” WiFi network devices connected to Raspberry Pi I’ve been doing this by calling: and then extracting all the data I need from raw_output It works ok, but in iw help it says that Do NOT screenscrape this tool, we don’t consider its output stable. Is it really unsafe
RPi2, OpenMAX, Deadlock
Environment Raspberry Pi 2 B+ Debian Linux OpenMAX IL Use-case OpenMAX Camera Video capture Camera ports are disabled Renderer / Camera Tunnel is set All components state is set to Idle Ports are enabled Problem description The first port being enabled to the Camera Input port ( Port #73 ), the port is being enabled using the “OMX_CommandPortEnable” command, as
CGI script not executing bash commands such as ‘CP’
I have a web server (apache2) set up to execute files with a .cgi file extension. This works for some commands. However, I need it to copy the file /var/www/on.html to the location of /var/www/a1.html. I am using Debian Linux. The script is as follows: I am using cp to copy a html webpage with a green background to replace
How do I restart wlan0 with the static ip instead of a dynamic ip? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question
Raspberry Pi: Does the framebuffer image viewer (FBI) display gifs?
I have a TFT Screen hooked up to a Raspberry Pi. When I tried to display a gif using fbi, it just showed a static image. Does it only work for images? If so, what can I use instead to display gifs? Answer Only Images. It will sometimes show a gif but not animate it. from fbi’s man page fbi
chown and chmod doesn’t work (Raspberry Pi 2 – Jessie)
I would like to make a fileserver at home using Raspberry Pi 2. Currently there are 3 users: root, pi and alma. My connected external drive is mounted automatically to /media/pi/TOURO I would like to share “Share” directory on this drive for “alma” users (with read+write permissions) The problem is that when I try to change owner of the “Share”
Unable to run .py file from putty, Syntax error: word unexpected (expecting “)”)
I am new to both Python and Linux and as such request simple explanations with minimal assumed knowledge where possible please, however I am more than willing to invest time and effort to learn. I have a Raspberry Pi 2 (Model B V1.1) that is running Linux. I interact with this pi via putty. I am trying to create a
Raspberry PI remote debug GTK error
I’m using NetBeans IDE 8.0.2 on my Win7 machine to develop Raspberry Pi opencv C++ application. I’m building & debugging the application remotely on the Raspberry Pi from my Win7 machine. At run time the application fails with “Gtk-WARNING **: cannot open display:” error when reaches the line: When I’m running the exact same application from the Raspberry Pi and