I have a problem in communicating between 2 ros2 environments :one running on a docker container hosted on a macos and the second one running directly on a Linux. I set up the env ROS_DOMAIN_ID=5 for both. I set up…
I just installed MySQL on a fresh installation of Linux CentOS, but when mysql-server finished installing and I enter "systemctl start mysqld" it says: "Job for mysqld.service failed because the control process exited with error code." systemctl status mysqld.service -l…
Let's me explain that. Few days ago I installed a django app with docker, I had no problem with that, and later I tried to add a security for settings.py and now I have an error code 400, message Bad…
I am trying to scrape a file with content similar to this this: "addressString":"12366 NY","eId":"64174f8e42b7fdfb837f68b","hasImage":false,"Price":5800,"Name":Bernard Bernoulli,"headline":"nice Fiat 500, red, slight damage to left mirror" "addressString":"451 Citadel","eId":"sd3448e42b7368b","year":1976,"hasImage":true,"Price":12220,"Name":Edward Diego,"headline":"Mercedes SLX, no issues" "addressString":"1321 Bejing","eId":"3102ffdb837fssdff3","Price":350,"Name":Jet Li,"headline":"Dodge Viper, no engine, no tires, no windshield;…
I have writing the following code to get key pressed by the user: class Key: def __init__(self) -> None: pass # Define the function that will be called when a key is pressed. def on_press(self, key: KeyType) -> None: pass…
I use Arch Linux with VsCode to write Java and Python programs and have no issues. When I installed some Bash extensions and started writing bash scripts, it outputs "TERM environment variable not set." It will not let me read…
Problem: I can't: 1)use a local browser to open http://<public IP>:8000 2)use terminal to curl -v http://<public IP>:8000 3)Ping I can: 1)use terminal to run curl -v http://127.0.0.1:8000, the result indicates the django server is working. Background: I'm working on…
use lsof to show a port, but every port return same info... [kfadmin@master fundrisksys]$ lsof -i:136 24223 /usr/bin/bash /dev/pts/0 24223 /usr/bin/bash /dev/pts/0 24223 /usr/bin/bash /dev/pts/0 24223 /usr/bin/bash /dev/pts/0 [kfadmin@master fundrisksys]$ lsof -i:7895 24223 /usr/bin/bash /dev/pts/0 24223 /usr/bin/bash /dev/pts/0 24223 /usr/bin/bash…
I am new to Linux and I have a problem with the shortcut which I want to create on the Desktop for the script. I'm using just one line of the script because I want to understand how to create…
I have a Seagate FireCuda 530 4TB SSD (M.2 NVMe), whose specs say its sequential read is up to 7.3 GB/s, and its IOPS is 1M. I'm trying to write a program that achieves anything close to the claimed speed.…