Ubuntu Server Security:

• Ubuntu Firewall – UFW – Uncomplicated Firewall Basics

• Using iptables to limit bruteforce attacks
  

• Lockdown Apache with Mod Security – Bring the Hammer Down

• Disguise or Spoof Server Header with Apache
  

• Basic IPtables Commands

• Change SSH Port on Ubuntu Server

• Ubuntu Server – Using NMAP to scan your server for vulnerabilities.

• Configuring IPtables on ubuntu server

• Basic IPtables Configuration example

Ubuntu Server Common Errors:

• Make wordpress work with mod security.
  

• Fixing: apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName

• How to fix – Apache HTTPD or PHP cannot write to folder

Ubuntu Server Common Configuration and Commands:

• Listing Directory Size

• Common Ubuntu Terminal Commands
  

• Installing SSH Server on Ubuntu

• Find Disk Usage on Ubuntu

• Installing Coldfusion on Ubuntu

• What is Suhosin Hardened PHP

• Setting Timezone on Ubuntu Server

• Ubuntu – How to find files on the command line.

• Common Ubuntu Terminal Commands

• Ubuntu -Change SSH Login Banner

Ubuntu Server Apache and MySQL:

• Script to Clear Apache Logs

• Ubuntu – installing Apache and PHP5 with MySQL support

• Configure apache to use virtual hosts on ubuntu server

• Installing MySQL

Ubuntu Server Optimizing for Speed and Memory usage:

• MySQL and Apache Optimization Guide

• Ubuntu – How to set Processor Affinity on Xen VPS

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