Patch to gPXE dhcp command

Thu 22 July 2010 by Lars Kellogg-Stedman Tags gpxe linux dhcp

Update: This patch has been accepted into gPXE.

I just released a patch to gPXE that modifies the dhcp command so that it can iterate over multiple interfaces. The stock dhcp command only accepts a single interface as an argument, which can be a problem if you are trying to …

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Kerberos authenticated queries to Active Directory

There are many guides out there to help you configure your Linux system as an LDAP and Kerberos client to an Active Directory server. Most of these guides solve the problem of authentication by embedding a username and password into a configuration file somewhere on your system. While this works …

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Pushing a Git repository to Subversion

Tue 11 May 2010 by Lars Kellogg-Stedman Tags git subversion vcs

I recently set up a git repository server (using gitosis and gitweb). Among the required features of the system was the ability to publish the git repository to a read-only Subversion repository. This sounds simple in principle but in practice proved to be a bit tricky.

Git makes an excellent …

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LDAP redundancy through proxy servers

Wed 24 February 2010 by Lars Kellogg-Stedman Tags balance ldap stunnel proxy ha howto ssl

Problem 1: Failover

The problem

Many applications only allow you to configure a single LDAP server. This can lead to unnecessary service outages if your directory service infrastructure is highly available (e.g., you are running Active Directory) and your application cannot take advantage of this fact.

A solution

We …

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Apache virtual host statistics

As part of a project I'm working on I wanted to get a rough idea of the activity of the Apache virtual hosts on the system. I wasn't able to find exactly what I wanted, so I refreshed my memory of curses to bring you vhoststats.

This tools reads an …

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