cd ~; cat << EOF > updatescript
#!/usr/bin/env bash
apt -y update
apt -y upgrade
apt -y install build-essential
apt -y install manpages-dev
apt -y install glibc-doc
apt -y install dpkg-dev
apt -y install linux-doc
apt -y install user-mode-linux-doc
apt -y install libssl-dev
apt -y install docbook docbook-xml docbook-xsl
apt -y install xsltproc
apt -y install libsystemd-dev
apt -y install libcjson1 libcjson-dev
EOF
chmod +x updatescript
sudo ./updatescript
rm updatescript