Enable universe repository:
# /etc/apt/sources.list
## main & restricted repositories
deb http://us.archive.ubuntu.com/ubuntu/ jaunty main restricted universe
deb-src http://us.archive.ubuntu.com/ubuntu/ jaunty main restricted universe
deb http://security.ubuntu.com/ubuntu jaunty-security main restricted universe
deb-src http://security.ubuntu.com/ubuntu jaunty-security main restricted universe
Install Base Packages
sudo apt-get update && sudo apt-get upgrade
sudo apt-get install build-essential nano aptitude -y
sudo apt-get install psmisc curl wget screen iotop htop libssl-dev libreadline5 libreadline-dev
Configure language:
sudo locale-gen en_US.UTF-8
sudo /usr/sbin/update-locale LANG=en_US.UTF-8
Configure timezone:
sudo dpkg-reconfigure tzdata
sudo apt-get install ntp
sudo ntpdate ntp.ubuntu.com # Update time
date
Configure hostname:
$ sudo hostname your-hostname.domain.com
# sudo vim /etc/hosts
127.0.0.1 your-hostname.domain.com
# sudo vim /etc/hostname
$ hostname
Secure SSH:
# sudo nano /etc/ssh/sshd_config
Set "PermitRootLogin no"
Set "Port 28" # < 1024
sudo service ssh restart
# Login with
ssh <your username>@future.<your domain>.com -p 28
Setup Fail2Ban
sudo aptitude install fail2ban
cd /etc/fail2ban
sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
# sudo nano /etc/fail2ban/jail.local
[DEFAULT]
ignoreip = 127.0.0.1
bantime = 3600
maxretry = 5
[SSH], [SSH-DDOS]
enabled = true
port = 28
sudo /etc/init.d/fail2ban restart