mdlueck's blog

HOW-TO: Packaging Perl CPAN Devel::Trace for Ubuntu Linux

Recently I ran into a situation where a Perl CPAN module I needed was not available in the Ubuntu repositories. Someone on IRC kindly showed me a slick Ubuntu package which is able to quickly produce Ubuntu .deb packages out of Perl CPAN modules! Here is what you need to know:

Using a developer computer (aka "play box") add the following packages:

$sudo apt-get install dh-make-perl build-essential

Next use dh-make-perl to package the needed CPAN module:

HOW-TO: Basic installation of "Dynamic DNS update from DHCP" for Daniel J. Bernstein's djbdns (TinyDNS) on Ubuntu Linux

Today's blog post explains how to get this very useful component of the TinyDNS project to work with Ubuntu Server. You may fetch down the Michael Stella's original version of his code, and then note my adjustments to get it to work on the Ubuntu Server (9.04 through 10.04).

http://www.thismetalsky.org/projects/dhcp_dns

Unpack the file, then make the following adjustments:

Patching up djb_update.pl

### Globals - you can change these as needed

# Domain name
-my $domain_name = "MYDOMAIN";

HOW-TO: Basic installation of Daniel J. Bernstein's djbdns (TinyDNS) on Ubuntu Linux

When I first went looking for HOW-TO docs concerning installing Daniel J. Bernstein's djbdns on Ubuntu, I could not find such. What I did find was plenty of docs on how to download and compile Mr. Bernstein's djbdns code from source, however Ubuntu has very kindly created packages of everything you need for installing djbdns.

"Server Replacement on a Shoe String Budget" Presentation from 2010

I offered a presentation at the 2010 ICCM conference about replacing a couple of servers during this past year. The arrived at configuration was very much a middle point between a normal server configuration at one end and a firmware / USB HDD server at the other end of the spectrum. I was able to deliver a very compact configuration that has low power consumption, yet runs standard Ubuntu Server Linux and has a 3ware RAID card to facilitate drive mirroring.

Accessing CD Boot Menu with Ubuntu 10.04 (Lucid Lynx)

I discovered that the usual Ubuntu boot CD menu still exists in 10.04 (Lucid Lynx). The way to make it come up is to be pressing the Left Control (Ctrl) key as the computer starts to boot from the CD.

So, Ubuntu installation CD's may still be used to test memory with the MemTest86+. Use the above method to get to the boot menu, and the memory testing program will show up on the list of boot options.

HOW-TO: Getting VNC Server to work with Comodo Free Firewall + Antivirus for Windows

In this brief HOW-TO I will explain the steps necessary to get the popular VNC Server working on a Windows computer which has Comodo Free Firewall + Antivirus for Windows also installed on it.

Getting Started:

First you will need to open the Comodo Free Firewall + Antivirus for Windows interface, click Firewall at the top, click Advanced on the left hand side of the window, next click Network Security Policy, click the tab for Global Rules, then click the Add button to add a new rule. Below is the window adding the new rule, with the first page of details already filled in:

HOW-TO: Getting started survival guide for Comodo Free Firewall + Antivirus for Windows

In this blog post I will briefly overview a survival guide to managing the free edition of Comodo Firewall + Antivirus for Windows version 4.0. When the program is installed and first starts operating, it tends to pop-up a bewildering number of dialog boxes, some of which do not lead towards the correct selections of answers. I hope to clear up some of the basic questions / tips / HOW-TO points.

Getting started...

Correcting No Audio/Sound Output with Dell Inspiron 1525 loaded with Windows Vista

I encountered a Dell Inspiron 1525 preloaded with Windows Vista that suddenly stopped audio sounds. All settings seemed correct at first glance. Device Manager showed the sound device working properly.

So I booted off of an Ubuntu 9.10 live CD, and when the Linux desktop came up, sound came from the computer speakers. Thus the hardware was confirmed to be working.

Using mount.cifs to mount a user's Home$ share of a Samba PDC

Though not widely talked about, I desired to access files on the Home$ share of a Samba server from my Linux workstation. I had never come up with the syntax to do so.

Using mount.cifs to do the mount, it turned out to be simply //server/userid and no trailing $ or anything special.

Obviously I made sure that userid was the same user that was authenticating to the PDC in the first place. I did not try accessing bar's Home$ share using the ID foo, for example.

Opening .cab files with Ubuntu Linux

Today I needed to take a quick peek inside a Windows .cab file. Ubuntu at least recognized the extension as an archive file as it came up with the appropriate icon. However, it had no program associated with the extension, and Archive Manager would not open it.

I did a quick search and located cabextract which was available in the Ubuntu repository, and quickly got me inside the .cab file.

Thus noting it on my suggested list.

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