update-server.sh

    #!/bin/bash
    GNS3_DIR="$HOME/GNS3/src"
    if [[ ! -d "$GNS3_DIR" ]]; then
        echo "Please wait, setting up GNS3 server"
        mkdir -p "$GNS3_DIR"
        git clone -q --branch=master git://github.com/GNS3/gns3-server.git $GNS3_DIR/gns3-server
        cd $GNS3_DIR/gns3-server
        python3 setup.py -q install > /dev/null 2<&1
        echo "GNS3 server installed successfully"
    elif [[ -d "$GNS3_DIR" ]] && [[ -n "$(ls -A $GNS3_DIR/gns3-server/.git)" ]]; then
        echo "Please wait, updating GNS3 server"
        pip uninstall gns3-server -y -q
        cd $GNS3_DIR/gns3-server
        git pull origin master
        python3 setup.py -q install > /dev/null 2<&1
        echo "GNS3 server updated successfully"
    fi