Posted on in Programming
Quick note.
I recently needed to install a few RubyGems on my Mac OS X 10.4 (Tiger) development system. I use MacPorts to keep my system consistent, but MacPorts was causing the problem. Here's a look at the output I was getting while trying to install Active Support.
$ sudo …Posted on in Programming
I was recently helping a developer with some SQL optimizations in Ruby. The developer was using Active Record, and (until now) my Active Record experience has been pretty minimal.
One thing that was really driving me bonkers was how to get Active Record to print out the queries it was …
Posted on in Networking
This is a bit of random oddness I stumbled upon this morning.
I was working on a Cisco Catalyst 2960 switch and
needed to know which MAC addresses the device had learned on a particular
interface. The usual way to do this is with the
show mac-address-table interface command. While …
Posted on in Networking
I've noticed a mysterious new protocol popping up in my protocol lists lately: 19101/TCP. Apparently, this TCP port is used by the Clubbox service. I 'm not fluent in Korean, so I can't really tell you what the site says, but I can tell you what it does!
Clubbox …
Posted on in Networking
What is Local <acronym title="Policy-Based Routing">PBR</acronym>?
Policy-based routing makes routing decisions based on factors other than normal routing protocols. For example, it might be necessary to forward all <acronym title="Session Initiation Protocol">SIP</acronym> packets via a more expensive low-latency link while all other traffic use …
Posted on in Software
Sometimes I feel I'm a little late to the party.
The Camino Project announced the release of version 1.5.2 of their popular Camino web browser on Friday. The Camino browser is a Mozilla-based web browser designed to integrate smoothly with Mac OS X. It sports a more OS …
Posted on in Software
The main advantage of using Red Hat Enterprise Linux over something more cutting-edge like Fedora is the length of time Red Hat supports their Enterprise product.
The Fedora Project only supports the current and previous versions of Fedora (formerly Fedora Core). Since Fedora utilizes a six month release cycle, you …
Posted on in Software
Wietse Venema has announced the availability of Postfix version 2.4.6, as well as versions 2.3.13 and 2.2.12. These releases are only bugfixes and do not include any new features. The new releases include the following bugfixes:
Posted on in Programming
This is a silly mistake that can be easily avoided.
I was working on a Perl script that grabbed network traffic information from my ntop server and reported on it. ntop provides an <acronym title="Application Program Interface">API</acronym> that specifically supports Perl. Although I was seeing the data …
Posted on in Graphics Design
As you can see, I'm giving a new widget a whirl.
BlogRush is an RSS syndication service
that presents on-topic posts from around the Blogosphere to your readers.
Generally, I don't buy into all this "Blogosphere" whoo-ha, but in this case it really seems to be a win-win situation. Readers …
Posted on in Networking
Today I was browsing through the Cisco NetPro Forums and came across someone that needed to track down which switch port a <acronym title="Media Access Control">MAC</acronym> address had been dynamically learned on.
I'd seen this sort of thing before in the Bridge MIB, so I assumed it …
Posted on in Networking
By default Point-to-Point Tunneling Protocol (PPTP) will now work properly through a Cisco Adaptive Security Appliance (ASA) firewall or it's forerunner the Cisco <acronym title="Private Internet EXchange">PIX</acronym>.
Prior to PIX software version 6.3, allowing PPTP to work through a PIX was a painful procedure involving static …
Posted on in Software
Sam Varshavchik announced a new release of Courier and Courier IMAP yesterday. The new version includes the following bug fixes:
Posted on in Networking
The following are the Peer-to-Peer (P2P) protocols recognized by Cisco's NBAR Protocol Discovery.
If I've missed any, leave a comment below or use the Slaptijack Contact Form to update me.
Thanks!
Posted on in Networking
Occasionally you might need an Autonomous System Number (ASN) that is only used on your network. The need for these should be infrequent, but it does happen.
One thing that comes to mind is a customer that connects to your network in multiple locations. That customer needs an ASN for …
