Linux Screen Quick Start Guide

June 11th, 2014

LinuxScreen is a great tool for running multiple shell instances using a single SSH connection or virtual console. Here’s a quick start guide to screen.
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Debian Squeeze Long Term Support

June 11th, 2014

Debian LogoThe Debian developers announced last month that an outside team would be providing Long Term Support (LTS) for Debian 6.0 aka Squeeze. This means that you can continue using Debian Squeeze until February 2016.
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Apache authz_host: Order Deny,Allow vs. Order Allow,Deny

April 30th, 2014

Apacheauthz_host is an Apache module used to restrict access based on the client’s IP address or hostname. Order Allow,Deny and Order Deny,Allow are two of its directives that determine how the following Allow from and Deny from statements are interpreted. This post hopes to explain in simple terms how to use these properly.

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HostNameLookups and Apache Optimization

April 29th, 2014

ApacheHostNameLookups is where Apache does a reverse DNS lookup for every connecting client’s IP address. In addition to on and off there is also a double option that does a reverse lookup followed by a forward one to see if the host name matches the IP address.
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Encrypt a File on Linux Using OpenSSL

December 30th, 2013

LockIt is possible to encrypt a file for secure transmission or backup using a strong cryptographic algorithm on Linux. We do that using OpenSSL:
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