Issue #143 / Oct 2012

KNOW-HOW: Surveillance with NAS

Network-attached storage keeps an eye on your stuff

Take advantage of the low watt per operation compute power offered by modern NAS to monitor your cameras.

KNOW-HOW: OpenSSL with Bash

Using the OpenSSL toolkit with Bash

Cryptography is an important part of IT security, and OpenSSL is a well-known cryptography toolkit for Linux. Experts depend on OpenSSL because it is free, it has huge capabilities, and it’s easy to use in Bash scripts.

SYSADMIN: Security Lessons: Database Security

Protecting your database

Your database can be one of the most vulnerable elements in your organization. We share some tips for detecting and preventing attacks.

SYSADMIN: Perl: Heroku

Pushing web applications live with Heroku

If you want to put together a web application in your favorite language and publish it for free, you will find Heroku a convenient helper. The service even allows you to bring your own web server.

KNOW-HOW: Password Tools

Creating secure passwords and testing their quality

Create secure passwords with the help of a password generator and check for quality at the same time.

SYSADMIN: Charly's Column: GeoIP Lookup

The sys admin’s daily grind – GeoIP lookup

The global village is big enough to want to find out where your friend and enemies have set up camp. Charly offers a quick IP-based introduction to geography.

KNOW-HOW: Flash Filesystems

Flash filesystems for Linux

Whirring machines with rotating stacks of disks are out. The elegant tablets and smartphones of today’s digital generation house flash memory that saves space and energy. We explain the characteristics of flash chips and suggest appropriate Linux filesystems.

KNOW-HOW: Ask Klaus!

Klaus Knopper answers your Linux questions

Klaus Knopper is the creator of Knoppix and co-founder of LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

SYSADMIN: HTTPS Proxy

Using a Squid proxy with HTTPS

How do you monitor the network when your client systems are connecting to secure web servers through HTTPS? We’ll show you how to keep watch using the Squid proxy server and share some inventive certificate tricks.

LINUXUSER: Command Line: Editing xorg.conf

An introduction to editing xorg.conf

Understanding xorg.conf makes it easy to tweak your graphical display setup.