DigitalOcean Setup - Basic server with swap, fail2ban, ufw and ntp. Install git, rbenv / ruby, postgresql, nginx.

base-setup.sh

apt-get update
apt-get upgrade
apt-get dist-upgrade
# /var/run/reboot-required ?

adduser $USER
# usermod -a -G www-data $USER

# Setup ~/.ssh/authorized_keys
# /usr/sbin/visudo
# $USER ALL=(ALL:ALL) ALL

swapon -s
dd if=/dev/zero of=/swapfile bs=1024 count=512k
chown root:root /swapfile
chmod 0600 /swapfile
mkswap /swapfile
swapon /swapfile
echo 0 > /proc/sys/vm/swappiness
vi /etc/fstab
# /swapfile       none    swap    sw      0       0

apt-get install fail2ban
cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
# vi /etc/fail2ban/jail.local

apt-get install ufw
uwf status
ufw default deny incoming
ufw default allow outgoing
ufw allow ssh
# ufw allow http
# ufw allow https
ufw enable

# vi /etc/ssh/sshd_config
# PasswordAuthentication no

apt-get install ntp
# cp /usr/share/zoneinfo/America/Los_Angeles /etc/localtime
dpkg-reconfigure tzdata
# vi /etc/ntp.conf
# service ntp restart

extras-setup.sh

apt-get install git-core

apt-get install build-essential autoconf libssl-dev libyaml-dev libreadline6 libreadline6-dev zlib1g zlib1g-dev
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv
echo '# rbenv setup' > /etc/profile.d/rbenv.sh
echo 'export RBENV_ROOT=/usr/local/rbenv' >> /etc/profile.d/rbenv.sh
echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> /etc/profile.d/rbenv.sh
echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh
chmod +x /etc/profile.d/rbenv.sh
source /etc/profile.d/rbenv.sh
mkdir /usr/local/rbenv/plugins/
git clone git://github.com/sstephenson/ruby-build.git /usr/local/rbenv/plugins/ruby-build
rbenv install 2.0.0-p247
rbenv global 2.0.0-p247
rbenv rehash

apt-get install postgresql postgresql-contrib libpq-dev
# su - postgres
# createuser --pwprompt $USER
# createdb --owner $USER $DB

apt-get install mysql-server
# mysql_secure_installation

apt-get install nginx
# openssl req -nodes -newkey rsa:2048 -keyout $SERVER.key -out $SERVER.csr

# Ubuntu 14
apt-get install apache2-mpm-event apache2-utils libapache2-mod-fastcgi
# Ubuntu 16
apt-get install apache2
# chown -R www-data:www-data /var/www
# chmod -R 660 /var/www
# find '/var/www' -type d -exec chmod 2770 {} +

# Ubuntu 14
apt-get install php5-fpm php5-mbstring php5-mcrypt php5-intl php5-xml php5-mysqlnd php5-gd php5-curl php-pear mcrypt
# Ubuntu 16
apt-get install php-fpm php-mbstring php-mcrypt php-intl php-xml php-mysqlnd php-gd php-curl php-pear mcrypt
# Ubuntu 16 - PHP 5.6
add-apt-repository ppa:ondrej/php
apt-get update
apt-get install php5.6-fpm php5.6-mbstring php5.6-mcrypt php5.6-intl php5.6-xml php5.6-mysqlnd php5.6-gd php5.6-curl php-pear mcrypt

letsencrypt.sh

wget https://dl.eff.org/certbot-auto
chmod 770 certbot-auto
./certbot-auto certonly --non-interactive --webroot --agree-tos --email email@example.com --webroot-path /var/www/html/public --domains example.com,www.example.com

# crontab -e
# 5 3 * * * /root/certbot/certbot-auto renew --quiet >> /var/log/certbot-renew.log

mysql_character_set.cnf

[client]
default-character-set = utf8mb4

[mysql]
default-character-set = utf8mb4

[mysqld]
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init-connect='SET NAMES utf8mb4'