sudo apt-get update -y
sudo apt-get install wget libnss3-tools -y
wget https://github.com/FiloSottile/mkcert/releases/download/v1.4.3/mkcert-v1.4.3-linux-amd64
sudo cp mkcert-v1.4.3-linux-amd64 /usr/local/bin/mkcert
sudo chmod +x /usr/local/bin/mkcert
mkcert -installchoco install mkcert -y
mkcert -installbrew install mkcert
mkcert -installsudo chmod +x followed by the file path. For example:sudo chmod +x "/Users/<your-username>/Downloads/oslo"