This document assumes that you already have OpenLDAP installed. We used the OpenLDAP 2.3 RPMs available from: http://anorien.csc.warwick.ac.uk/mirrors/buchan/openldap/rhel4/. There is some good documentation on installing setting up OpenLdap at http://web.singnet.com.sg/~garyttt/Installing and configuring OpenLDAP for RedHat Enterprise Linux3.htm . OpenLDAP should be configured and tested without TLS to make sure it works properly. Once you can authenticate and OpenLdap works predictably you ...

OK, not a huge Windows fan, but Win 7 is ok… until you have to troubleshoot a network issue. I like to telnet to ports to see if they are open and if they answer (telnet 192.168.1.13 993). Windows always wants to pretend that it doesn’t have telnet and has never even heard of it (Lies I tell you). Here’s ...

I just wasted my entire day fighting an issue I thought was a courier-imap or courier-imap-ssl 4.10 authentication issue in Debian. It turns out it was a Gamin package error. If I killed the Gamin process I could temporarily log back in. My fix? Uninstall Gamin and then ‘apt-get autoremove’. This will likely remove all your imap packages too (good). ...

 One day not to long ago I realized that my sweltering office was heating the entire house. It was so bad that our basement, that used to be very cool and temperate had become a sauna. My family room is in the basement so everyone was suffering. I decided to assess what I had running and what I could combine ...

A few weeks ago my mother managed to utterly destroy her Gateway laptop. It was 1.5GHz and had 1GB or RAM. When I say “destroyed”, I don’t mean she crushed it, it just was dead as a door nail. Nothing worked…. except the HD (once removed from the dead laptop). My poor mother needs to get online to check her ...

OpenLDAP Server With Server-Side SSL/TLS using Self Signed Certificates     This document assumes that you already have OpenLdap installed. This was written using the OpenLdap 2.3 RPMs.     OpenLdap should be configured and tested without TLS to make sure it works properly. Once you can authenticate and OpenLdap works predictably you can move on to using TLS. Certificate Creation     ...

This is for people who want to browse, but not have their traffic snooped on. Tunnel web browser through an SSH tunnel!

Here is a quick tutorial on how to RDP to a host behind a firewall.

MRTG (The Multi Router Traffic Grapher) is a application to graph data. It is designed to graph network devices through put and loads, but can be tweaked to graph anything that you can get a numeric value for. Prerequisites: Apache or other web server. I use apache for this tutorial. (apt-get install apache or apt-get install apache2) snmp configured network ...