server config

10periodic

APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";

config.sh

# updating

sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

# precompilers
sudo apt-get install build-essential
sudo apt-get install vim

# ssh config
sudo addgroup sshlogin
sudo useradd -s /bin/bash -g www-data -m ubuntu
sudo passwd ubuntu
sudo adduser ubuntu sshlogin
sudo adduser ubuntu sudo

# configure /etc/ssh/sshd_config
# check for errors /usr/sbin/sshd –t

# adds your public ssh key (~/.ssh/id_rsa.pub) to
# /home/ubuntu/.ssh/authorized_keys

su ubuntu
cd
mkdir .ssh
chmod 700 .ssh
vim .ssh/authorized_keys
# add your public ssh key
chmod 600 .ssh/authorized_keys

# add environment variables
vim /home/ubuntu/.ssh/environment
# add env vars
# RAILS_ENV=production
# RACK_ENV=production
chmod 600 .ssh/environment

# ruby with rvm
\curl -sSL https://get.rvm.io | bash -s stable
source /etc/profile.d/rvm.sh
rvm install 2.1.0

# firewall config
sudo apt-get install ufw

sudo ufw default deny
sudo ufw enable
sudo ufw logging on
sudo ufw logging low
sudo ufw allow ssh
sudo ufw allow www
sudo ufw allow https
sudo ufw limit ssh
sudo ufw reload

sudo apt-get install denyhosts

# automatic updates
sudo apt-get install unattended-upgrades

# edit /etc/apt/apt.conf.d/10periodic

# clock config
sudo apt-get install ntp
sudo dpkg-reconfigure tzdata

# install nginx
sudo apt-get install software-properties-common
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:nginx/stable
sudo apt-get update
sudo apt-get install nginx
sudo service nginx start

# install imagemagick
sudo apt-get install imagemagick --fix-missing

# nodejs
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs

sshd_config

# Package generated configuration file
# See the sshd_config(5) manpage for details

# What ports, IPs and protocols we listen for
Port 22
# Use these options to restrict which interfaces/protocols sshd will bind to
#ListenAddress ::
#ListenAddress 0.0.0.0
Protocol 2
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
#Privilege Separation is turned on for security
UsePrivilegeSeparation yes

# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 768

# Logging
SyslogFacility AUTH
LogLevel INFO

# Authentication:
LoginGraceTime 120
PermitRootLogin no
StrictModes yes

RSAAuthentication yes
PubkeyAuthentication yes
#AuthorizedKeysFile     %h/.ssh/authorized_keys

# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts yes
# For this to work you will also need host keys in /etc/ssh_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
#IgnoreUserKnownHosts yes

# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords no

# Change to yes to enable challenge-response passwords (beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication no

# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication yes

# Kerberos options
#KerberosAuthentication no
#KerberosGetAFSToken no
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes

# GSSAPI options
#GSSAPIAuthentication no
#GSSAPICleanupCredentials yes

X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no

#MaxStartups 10:30:60
#Banner /etc/issue.net

# Allow client to pass locale environment variables
AcceptEnv LANG LC_*

Subsystem sftp /usr/lib/openssh/sftp-server

# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
# be allowed through the ChallengeResponseAuthentication and
# PasswordAuthentication.  Depending on your PAM configuration,
# PAM authentication via ChallengeResponseAuthentication may bypass
# the setting of "PermitRootLogin without-password".
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.
UsePAM yes

UseDNS no
AllowGroups sshlogin
PermitUserEnvironment yes