Installation script for setting up a new Ubuntu or Ubuntu based install. This script has been written for elementary OS Loki.

freshInstall.sh

#!/bin/sh

# Entering new setup folder
mkdir freshInstallation
cd freshInstallation

# Updating repositories, packages and a dist upgrading
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

# Installing Vivaldi
wget https://downloads.vivaldi.com/stable/vivaldi-stable_1.11.917.39-1_amd64.deb
sudo dpkg -i ./vivaldi-stable*.deb
sudo apt-get install -f

# Installing add-apt-repository
sudo apt-get install software-properties-common python-software-properties python3-software-properties

# Installing Archive Format
sudo apt-get install unace rar unrar p7zip-rar p7zip sharutils uudeview mpack arj cabextract lzip lunzip

# Allow additional non libres from Canonical
sudo apt-get install software-properties-gtk
sudo apt-get install ubuntu-restricted-extras

# Installing Multimedia Codecs
sudo apt-get install libavcodec-extra
sudo apt-get install libdvd-pkg 

# Installing Plugin Flash and Pepper Flash
sudo apt-get install flashplugin-installer pepperflashplugin-nonfree

# Installing Transmission
sudo apt-get install transmission

# LibreOffice
sudo add-apt-repository ppa:libreoffice/ppa
sudo apt-get update
sudo apt-get install libreoffice-gtk2 libreoffice-gnome

# JAVA
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

# VLC
sudo apt-get install -y vlc

# VIM Editor
sudo apt-get install vim

# Atom Editor
wget https://github.com/atom/atom/releases/download/v1.19.0/atom-amd64.deb
sudo dpkg -i atom-amd64.deb
sudo apt install -f

# Installing GDebi
sudo apt-get install gdebi

# Installing Linux Malware Detect
wget http://ww.rfxn.com/downloads/maldetect-current.tar.gz
tar -zxvf maldetect-current.tar.gz
cd maldetect-1.5
./install.sh

# Installing pidgin
sudo apt-get install pidgin

# Installing Google Play Music
wget https://github.com/MarshallOfSound/Google-Play-Music-Desktop-Player-UNOFFICIAL-/releases/download/3.0.1/google-play-music-desktop-player_3.0.1_amd64.deb
sudo dpkg -i google-play-music-desktop-player_3.0.1_amd64.deb

# Installing BleachBit
sudo apt-get install bleachbit

# Installing Redshift
sudo apt-get install redshift

# Installing Crossover
sudo dpkg --add-architecture i386
sudo apt-get update
wget http://crossover.com.codeweavers.com/redirect/crossover.deb
sudo gdebi crossover.deb

# Installing Elementary Tweaks
sudo add-apt-repository ppa:philip.scott/elementary-tweaks
sudo apt-get update
sudo apt-get install elementary-tweaks

# Installing TLP for laptop battery management
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw
sudo tlp start

# Installing Laptop Mode Tools
sudo add-apt-repository ppa:ubuntuhandbook1/apps
sudo apt-get update
sudo apt-get install laptop-mode-tools
# Run using gksu lmt-config-gui

# Installing git
sudo apt-get install git

# Installing Python Packages
sudo apt-get install fastqc python-stdeb python-pip python-dev
sudo apt-get install build-essential
sudo pip install psutil
sudo pip install configobj

# Installing Anaconda Package Manager
wget https://repo.continuum.io/archive/Anaconda3-4.4.0-Linux-x86_64.sh
./Anaconda*.sh
conda update conda
conda update anaconda

# Installing umake
sudo add-apt-repository ppa:ubuntu-desktop/ubuntu-make
sudo apt-get update
sudo apt-get install ubuntu-make

# Installing PyCharm
umake ide pycharm

# Installing Tilix
sudo add-apt-repository ppa:webupd8team/terminix
sudo apt-get update
sudo apt-get install tilix

# Installing Oh My Zsh
sudo apt-get install zsh
sh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"

# Pimping Oh My Zsh with Cobalt2
git clone https://github.com/wesbos/Cobalt2-iterm.git
sudo cp ./Cobalt*/*.zsh-theme $HOME/.oh-my-zsh/themes/
sed 's/robbyrussel/cobalt2/g' $HOME/.zshrc

# Installing Powerline
sudo pip install --user powerline-status

# Installing Powerline Fonts
git clone https://github.com/powerline/fonts.git --depth=1
./fonts/install.sh
sudo rm -rf fonts

# Installing tree
sudo apt-get install tree
 
# Removing Epiphany Browser
sudo apt purge epiphany-browser epiphany-browser-data

# Clean Up
sudo apt-get autoclean
sudo apt-get clean

# Exiting Folder
cd ..
sudo rm -rf freshInstallation

A lot of tedious stuff that might take you months to do, in a simple script, made for the lazy ass guy who changes his OS more than he changes his socks.