Tunning Ubuntu for Experiment https://gist.githubusercontent.com/Pusnow/c113dfa5a3d2a030c0c5e33f75f4a50e/raw/tune-ubuntu.sh

tune-ubuntu.sh

#!/bin/bash
set -x

# disable swap
sudo sed -i '/swap/d' /etc/fstab
sudo swapoff -a

# uninstall packages
export DEBIAN_FRONTEND=noninteractive
TO_UNINSTALL=(
    unattended-upgrades
    apport
    udisks2
    snapd
    ubuntu-report
    popularity-contest
    lxd-installer
    lxd-agent-loader
    multipath-tools
    ubuntu-release-upgrader-core
    packagekit
    apparmor
    sosreport
    byobu
    vim
)

for pacakge in ${TO_UNINSTALL[@]}; do
    DEBIAN_FRONTEND=noninteractive sudo apt autoremove -y $pacakge
done



# install some package

sudo apt install -y bash-completion language-pack-en


exit

# enable manpages (borrwoed from unminimize)
if [ -f /etc/dpkg/dpkg.cfg.d/excludes ] || [ -f /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp ]; then
    echo "Re-enabling installation of all documentation in dpkg..."
    if [ -f /etc/dpkg/dpkg.cfg.d/excludes ]; then
        mv /etc/dpkg/dpkg.cfg.d/excludes /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
    fi
    echo "Updating package list and upgrading packages..."
    apt-get update
    # apt-get upgrade asks for confirmation before upgrading packages to let the user stop here
    apt-get upgrade -y
    echo "Restoring system documentation..."
    echo "Reinstalling packages with files in /usr/share/man/ ..."
    # Reinstallation takes place in two steps because a single dpkg --verified
    # command generates very long parameter list for "xargs dpkg -S" and may go
    # over ARG_MAX. Since many packages have man pages the second download
    # handles a much smaller amount of packages.
    dpkg -S /usr/share/man/ | sed 's|, |\n|g;s|: [^:]*$||' | DEBIAN_FRONTEND=noninteractive xargs --no-run-if-empty apt-get install --reinstall -y
    echo "Reinstalling packages with system documentation in /usr/share/doc/ .."
    # This step processes the packages which still have missing documentation
    dpkg --verify --verify-format rpm | awk '$2 ~ /\/usr\/share\/doc/ {print $2}' | sed 's|/[^/]*$||' | sort | uniq |
        xargs --no-run-if-empty dpkg -S | sed 's|, |\n|g;s|: [^:]*$||' | uniq | DEBIAN_FRONTEND=noninteractive xargs --no-run-if-empty apt-get install --reinstall -y
    echo "Restoring system translations..."
    # This step processes the packages which still have missing translations
    dpkg --verify --verify-format rpm | awk '$2 ~ /\/usr\/share\/locale/ {print $2}' | sed 's|/[^/]*$||' | sort | uniq |
        xargs --no-run-if-empty dpkg -S | sed 's|, |\n|g;s|: [^:]*$||' | uniq | DEBIAN_FRONTEND=noninteractive xargs --no-run-if-empty apt-get install --reinstall -y
    if dpkg --verify --verify-format rpm | awk '$2 ~ /\/usr\/share\/doc/ {exit 1}'; then
        echo "Documentation has been restored successfully."
        rm /etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp
    else
        echo "There are still files missing from /usr/share/doc/:"
        dpkg --verify --verify-format rpm | awk '$2 ~ /\/usr\/share\/doc/ {print " " $2}'
        echo "You may want to try running this script again or you can remove"
        echo "/etc/dpkg/dpkg.cfg.d/excludes.dpkg-tmp and restore the files manually."
    fi
fi

if [ "$(dpkg-divert --truename /usr/bin/man)" = "/usr/bin/man.REAL" ]; then
    # Remove diverted man binary
    rm -f /usr/bin/man
    dpkg-divert --quiet --remove --rename /usr/bin/man
fi