init.sh

#!/bin/bash
#
# # Base Install (baseInst)
#
# Copyright 2016 Willem Oosting
#
# >This program is free software: you can redistribute it and/or modify
# >it under the terms of the GNU General Public License as published by
# >the Free Software Foundation, either version 3 of the License, or
# >(at your option) any later version.
# >
# >This program is distributed in the hope that it will be useful,
# >but WITHOUT ANY WARRANTY; without even the implied warranty of
# >MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# >GNU General Public License for more details.
# >
# >You should have received a copy of the GNU General Public License
# >along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# FORK ME AT GITHUB: https://github.com/woosting/baseInst


# INITIALISATION

  TODAY=$(date +%Y%m%d)
  NEWUSER=""
  DENV=0
  while getopts u:dh option
    do
      case "${option}"
       in
        u) NEWUSER=(${OPTARG});;
        d) DENV=1;;
        h)
          printHelp
          exit 0
        #x) EXAMPLE=(${OPTARG});;
      esac
    done


# FUNCTION DEFINITION

  function printHelp () {
    echo -e "BASEINST - Base installation (2016, GNU GENERAL PUBLIC LICENSE)\n"
    echo -e "USAGE: init [-d] -u <username>\n"
    echo -e "Arguments:\n"
    echo -e "  -u <username> declares the user to create or use (REQUIRED)"
    echo -e "  -d            declares whether a desktop environment is to be used (OPTIONAL)"
}


# LOGIC
  if [ ! ${NEWUSER} ]; then
    printHelp
    exit 1;
  fi
  # DETERMINE IF NEWUSER IS INDEED NEW
    NEWUSER_IS_NEW=$(id -u ${NEWUSER} > /dev/null 2>&1; echo $?)
    
  # UPDATE + UPGRADE + INSTALLS
    apt update && apt -y dist-upgrade
    apt install -y ssh vim screen man-db wget git rsyslog fail2ban cifs-utils p7zip colordiff ncdu
    #apt install -y linuxlogo cmatrix sl mplayer curseofwar
  # USER ADDITION
    if [ ${NEWUSER_IS_NEW} -eq 1 ]; then
      adduser --disabled-password --gecos "${NEWUSER}" ${NEWUSER}
    fi
  # PUT USER IN SUDOERS
    usermod -aG sudo ${NEWUSER}
  # RSA CONFIG FOR USER
    mkdir /home/${NEWUSER}/.ssh/
    touch /home/${NEWUSER}/.ssh/authorized_keys
    chown ${NEWUSER}:${NEWUSER} -R /home/${NEWUSER}/.ssh
    chmod 700 /home/${NEWUSER}/.ssh
    chmod 600 /home/${NEWUSER}/.ssh/authorized_keys
  # CUSTOM SCRIPT DOWNLOADS
    mkdir /home/${NEWUSER}/scripts
    git clone https://github.com/woosting/dirp.git /home/${NEWUSER}/scripts/dirp && \
      ln -s /home/${NEWUSER}/scripts/dirp/dirp.sh /usr/local/bin/dirp
    git clone https://github.com/woosting/stba.git /home/${NEWUSER}/scripts/stba && \
      ln -s /home/${NEWUSER}/scripts/stba/stba.sh /usr/local/bin/stba
    chown ${NEWUSER}:${NEWUSER} -R /home/${NEWUSER}/scripts
    chmod 755 /home/${NEWUSER}/scripts/*/*.sh
  # CUSTOM NOTES DOWNLOADS
    mkdir /home/${NEWUSER}/notes
    git clone https://github.com/woosting/linux-notes.git /home/${NEWUSER}/notes/linux-notes
    chown ${NEWUSER}:${NEWUSER} -R /home/${NEWUSER}/notes
  # USER CONFIG
    # VIM
      wget -P /home/${NEWUSER}/ https://raw.githubusercontent.com/woosting/baseInst/master/configs/.vimrc && \
      chown ${NEWUSER}:${NEWUSER} /home/${NEWUSER}/.vimrc
    # BASH
      cp /home/${NEWUSER}/.bashrc /home/${NEWUSER}/.bashrc.bak${TODAY} && chown ${NEWUSER}:${NEWUSER} /home/${NEWUSER}/.bashrc.bak${TODAY}
      echo "" >> /home/${NEWUSER}/.bashrc
      echo "###" >> /home/${NEWUSER}/.bashrc
      echo "# INIT.SH ADDITIONS" >> /home/${NEWUSER}/.bashrc
      echo "# Things automatically added by woosting's init.sh script:" >> /home/${NEWUSER}/.bashrc
      echo "#" >> /home/${NEWUSER}/.bashrc

      # Color promot
        sed -i.bak 's/#force_color_prompt=yes/force_color_prompt=yes/g' /home/${NEWUSER}/.bashrc

      # Git prompt
        apt install -y bash-completion && \
        sed -i '/\\w\\\[\\033\[00m\\\]\\\$/i \ \ \ \ export GIT_PS1_SHOWDIRTYSTATE=1' /home/${NEWUSER}/.bashrc && \
        sed -i 's/\\w\\\[\\033\[00m\\\]\\\$/\\w\\[\\033[36m\\]$(__git_ps1)\\[\\033[00m\\]\\$/g' /home/${NEWUSER}/.bashrc && \
        echo "# GIT/Bash completion" >> /home/${NEWUSER}/.bashrc && \
        echo "  if [ -f /etc/bash_completion ]; then" >> /home/${NEWUSER}/.bashrc && \
        echo "    . /etc/bash_completion" >> /home/${NEWUSER}/.bashrc && \
        echo "  fi" >> /home/${NEWUSER}/.bashrc

      echo "# Aliasses" >> /home/${NEWUSER}/.bashrc
      echo "  alias ls='ls --color=auto --group-directories-first'" >> /home/${NEWUSER}/.bashrc
      echo "  alias grep='grep --color=auto'" >> /home/${NEWUSER}/.bashrc
      echo "  alias fgrep='fgrep --color=auto'" >> /home/${NEWUSER}/.bashrc
      echo "  alias egrep='egrep --color=auto'" >> /home/${NEWUSER}/.bashrc
      echo "  alias weather='wget -qO- wttr.in'" >> /home/${NEWUSER}/.bashrc
      echo "  alias cpuhoggers='ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head && uptime'" >> /home/${NEWUSER}/.bashrc
      echo "  alias memhoggers='ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem | head'" >> /home/${NEWUSER}/.bashrc

      echo "# Starting ssh-agent" >> /home/${NEWUSER}/.bashrc
      echo '  if [ -z "$SSH_AUTH_SOCK" ] ; then' >> /home/${NEWUSER}/.bashrc
      echo '    eval `ssh-agent -s`' >> /home/${NEWUSER}/.bashrc
      echo '   ssh-add' >> /home/${NEWUSER}/.bashrc
      echo '  fi' >> /home/${NEWUSER}/.bashrc

      echo "# Others" >> /home/${NEWUSER}/.bashrc
      echo "  export EDITOR=vim" >> /home/${NEWUSER}/.bashrc

      echo "" >> /home/${NEWUSER}/.bashrc
      echo "###" >> /home/${NEWUSER}/.bashrc
      echo "# MANUAL ADDITIONS" >> /home/${NEWUSER}/.bashrc
      echo "# Add your own:" >> /home/${NEWUSER}/.bashrc
      echo "" >> /home/${NEWUSER}/.bashrc
      echo "###" >> /home/${NEWUSER}/.bashrc
      echo "# LAST TO EXECUTE" >> /home/${NEWUSER}/.bashrc
      echo "# Things to run at the end of .bashrc loading:" >> /home/${NEWUSER}/.bashrc
      echo "# Display logo at bash login:" >> /home/${NEWUSER}/.bashrc
      echo "#if [ -f /usr/bin/linux_logo ]; then linuxlogo -u -y; fi" >> /home/${NEWUSER}/.bashrc

  # DESKTOP TWEAKING
    if [ "${DENV}" -le 0 ]; then
      echo -e "No desktop environment declared, not installing anything graphical."
    else
      echo -e "Desktop environment usage declared, installing graphical components."
      # GENERAL INSTALLS
        apt install -y tightvncserver catfish faenza-icon-theme

        # INSTALL ATOM
        apt install -y gvfs-bin && \
        wget -P /tmp/ "https://atom.io/download/deb" && \
        dpkg -i /tmp/deb

      # DOWNLOAD THEMING CONTENT
        mkdir /home/${NEWUSER}/Downloads
        mkdir /home/${NEWUSER}/Downloads/theming
        mkdir /home/${NEWUSER}/Downloads/theming/openbox && wget -P /home/${NEWUSER}/Downloads/theming/openbox https://dl.opendesktop.org/api/files/download/id/1460769323/69196-1977-openbox.obt
#        mkdir /home/${NEWUSER}/Downloads/theming/icons && wget -P /home/${NEWUSER}/Downloads/theming/icons https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/faenza-icon-theme/faenza-icon-theme_1.3.zip

        chown ${NEWUSER}:${NEWUSER} -R /home/${NEWUSER}/Downloads
    fi