# Shell Scripts > **Tip:** Install Docker Engine on Debian/Ubuntu. ```bash curl -fsSL https://git.vanusys.com/VanuSystems/shell-scripts/raw/branch/main/install-docker.sh | sudo bash ``` > **Tip:** Configure registry mirrors for Docker and restart the daemon. ```bash curl -fsSL https://git.vanusys.com/VanuSystems/shell-scripts/raw/branch/main/set-docker-mirror.sh | sudo bash ``` > **Tip:** Append 2-space indent settings to `~/.vimrc`. ```bash curl -fsSL https://git.vanusys.com/VanuSystems/shell-scripts/raw/branch/main/set-vim-2space.sh | bash ```