mohammad ali alidevhere

Turn on keyboard lights on ubuntu

Install brightnessctl

sudo apt update
sudo apt install brightnessctl

How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

Run Azure Power shell commands from Linux - Ultimate Guide:

Install Powershell on linux

# Update the list of packages
sudo apt-get update

# Install pre-requisite packages.
sudo apt-get install -y wget apt-transport-https software-properties-common

Append to file in go

f, err := os.OpenFile("text.log",
	os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
	log.Println(err)
}
defer f.Close()
if _, err := f.WriteString("text to append\n"); err != nil {
	log.Println(err)

This error occurs when trying to install reportlab on alpine image in docker:

Alpine image has some missing dependencies for reportlab, add following command too before installing reportlab

apk add python3-dev freetype-dev

Reset Django Migrations

1-Delete Schemma 2- find . -path "/migrations/.py" -not -name "init.py" -delete 3- find . -path "/migrations/.pyc" -delete 4- python manage.py makemigrations 5- python manage.py migrate

	#FROM python:3.9-slim-bullseye

	ENV VIRTUAL_ENV=/opt/venv
	RUN python3 -m venv $VIRTUAL_ENV
	ENV PATH="$VIRTUAL_ENV/bin:$PATH"

	# Install dependencies:
	#COPY requirements.txt .
	#RUN pip install -r requirements.txt


	// sleep function is updated as below
	func sleepForWait(ctx context.Context,t time.Duration) {
	select {
	case <-ctx.Done():
	return
	case <-time.After(t):
	return
	}
	}


	func sleepForWait(t time.Duration) {
	for startTime := time.Now(); time.Since(startTime) < t; time.Sleep(10 * time.Second) {
	if !*IsCampaigRunning {
	// We use logrus for logging
	logrus.Info("LEFT SLEEPING !!! IMMEDIATELY STOPING CAMPAIGNS PROCESSING")
	return
	}
	}
	}