I am working on Jetson nano platform ARMv8 Processor rev 1 (v8l) × 4. I downloaded and extracted the binary from https://git-lfs.github.com/ Trying to install from the install.sh script provided in the download package on Debian/sid: I get the following and the error: The git versiongit version 2.17.1 Answer …
Tag: linux
Capturing PTP packets with Linux raw socket
I want to implement a C program that captures all the Precision-Time-Protocol (PTP) frames on the Ethernet, so I created a raw socket and attached a filter for PTP, I use recvmsg() to read data from the socket. The first issue is that I wasn’t receiving any PTP frames so I commented out the filter but n…
Same program/process acquiring lock every time when using LOCK_NB with LOCK_EX flag
I have a requirement, where two separate processes/programs running in parallel (One written in Python and one written in C++) need to get exclusive access, modifying a hardware related value. I’m trying to attain synchronization between them using flock. The code for the same is as below, Python Code C…
install python packages using init scripts in a databricks cluster
I have installed the databricks cli tool by running the following command pip install databricks-cli using the appropriate version of pip for your Python installation. If you are using Python 3, run pip3. Then by creating a PAT (personal-access token in Databricks) I run the following .sh bash script: python_…
Communication between two processes without using fork()
I’m trying to do a ping pong exercise, I ask for guidance / direction but not a solution so I can learn. Workspace: ubuntu 19 Language: C. The task is like this: Do not use () fork The ping process is waiting for a signal The Pong process gets the Ping PID from the command line as an argument Pong
I wanted to create a shared memory for student report card data but it returns the error condition in the shmat syscall
I wanted to create a project where the requirement is to use shared memory to create a student report. Asks user for number of students report to be created and dynamically allocate the memory. But when I try to attach it, it gets into the error check if statement and after printing the error message it print…
How can I check if specific file be used in php project and linux environment
Currently I want to check if a specific file be used in php project thanks for reading, any help would be appreciated Answer You can use linux command
Azure + gunicorn + flask + Azure Web App Linux: ModuleNotFoundError: No module named ‘flaskr’
the use case I have followed the flask tutorial on those pages: https://flask.palletsprojects.com/en/1.1.x/tutorial/ The project directory is the following : run the web app The web app works by running the script ‘run_app_prod.sh’. the code works on my local machine (ubuntu 20.04) but not on azur…
ftp: Login to server, auto-change remote dir, then bring user input?
I’m using “ftp” with the login credentials in .netrc for auto-login to a remote FTP server. The thing is that I always need to “cd” to my remote working dir manually each time I log in. Is there any way to “cd” automatically on connection, and then bring the user inpu…
Can’t hear sound when audio is being played in Pyglet (Raspberry Pi 4B, Raspbian)
I am running the latest version of Raspbian on the Raspberry Pi with Python 2.7 and 3.7 installed. For a project, I need to implement some spatial/binaural audio file playback capabilities in Python, and Pyglet (version 1.5.6) (https://pypi.org/project/pyglet/, https://github.com/pyglet/pyglet) seems to be th…