Setup Ubuntu on VirtualBox for C Development over SSH

c_init.sh

!/bin/sh

# only require sudo password once during this script
sudo -v
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

# remove need for typing sudo password in the future
echo -e "\nubuntu ALL=(ALL) NOPASSWD: ALL" | sudo tee -a /etc/sudoers

# allow access to vm shared folders
sudo usermod -aG vboxsf ubuntu

# install SSH
sudo apt-get update
sudo apt-get -y install openssh-client=1:6.6p1-2ubuntu1
sudo apt-get -y install openssh-server
mkdir -pm 700 ~/.ssh

# install GDB dashboard
wget -P ~ git.io/.gdbinit

sh -c "$(wget https://joseph.is/c_init -O -)"