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Category: Linux

A very easy way to eliminate quite a bit of SPAM if you’re using Postfix and Spamassassin. [SOLVED]

Posted on April 17, 2012 by Percy Kwong

SPAM is definitely a huge problem in our lives.  Here’s a real simple way to eliminate spam.  This assumes you’re running postfix and Spamassassin already. You need to remember that Spamassassin does nothing but score and tag spam.  There will always be false positives.  There are solutions that will handle most of it though. If…

A Follow Up to Using the Promise R4/R6 natively in Bootcamp using my solution. [Solved and Verified]

Posted on April 14, 2012 by Percy Kwong

A few months ago, I posted the following:  http://swimminginthought.com/2012/01/promise-pegasys-r6r4-on-windows-bootcamp-solved/  I figured out the solution on how to run this wonderful device on Bootcamp / Windows natively.  Needless to say, it’s been a while now and I’ve even gone so far as to update the firmware on the R4/R6  (I’m running an R6 by the way)….

How to Bind utorrent to a specific ip and route it out a vpn for better speed. [Solved]

Posted on April 9, 2012 by Percy Kwong

Torrent technology is an amazing in the sense it uses swarms of users to serve and share files you may be trying to download.  It’s been implemented by many companies and is a very bandwidth efficient format to get your files served to you faster.  Whenever I download CentOS DVDs, I use utorrent and other…

Finding out the Backbone Provider of an ISP, VOIP Provider, or any SaaS provider [SOLVED]

Posted on April 2, 2012 by Percy Kwong

It’s amazing how all the providers out there refuse to tell you who they’re connected to.  This is very prevalent amongst VOIP providers as well as quite a few SaaS providers.  You want to know who they’re connected to so you can make a decision on whether or not they’re going to be reliable. So…

A less costly way to build an Amazon AMI without incurring the cost of doing it on EC2

Posted on March 31, 2012 by Percy Kwong

I build Amazon AMIs.  I started out building them on the actual Amazon EC2 infrastructure myself only to learn that doing so costs the runtime and the money on EC2.    There is an easier way to get alot of it out of the way without it actually costing something. My suggestion is to build a…

Automated Backups to Amazon S3. WordPress example explained here.

Posted on March 25, 2012 by Percy Kwong

There are tons of Automated backup plugins for WordPress, but the reality is you’re assuming they work unless you’ve actually restored one of them.  This article will explain how to do this without using anything fancy like a backup program.  In fact, I just give you a few scripts and of course the old, trusty,…

How to use Cron. The linux / unix Scheduler

Posted on March 25, 2012 by Percy Kwong

Cron as it is called is a very powerful tool.  It’s simply a scheduler that allows you to do a multitude of tasks at any given time.  It’s been around since the beginning of time and is built into every linux, unix, bsd distribution out there.  Even Microsoft has a version of Cron, albeit it’s…

A simple overview of how to use one of the most powerful text editors; vi

Posted on March 25, 2012 by Percy Kwong

Vi is a text editor that is included by default in every linux, unix, and *bsd installation.  Every person who’s serious about using this should learn the basics of it.  Very powerful, but a bit hard to learn, it’s something that everybody who manages a linux, unix, *bsd box should learn to use at least…

Is your website slow? Fix It.

Posted on March 21, 2012 by Percy Kwong

Today, almost everybody has a website.  Many are run on a Webserver called Apache.  It’s an amazing piece of software that is ironically free and incredibly secure (when configured properly). There are plenty of content management and publishing tools out there as well.  WordPress (my personal favorite), Drupal, Movable Type just to name a few. …

Looking for a PBX? Consider the Cloud.

Posted on March 17, 2012 by Percy Kwong

I’ve spoken of the virtues of a cloud PBX on many an occasion.  The reality is for the last 8 years, I’ve been running my phone system / PBX in a cloud for many reasons.  The most important is redundancy. The system has had no downtime except for when I was applying maintenance upgrades.  My…

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Recent Posts

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  • Does SSL matter? It does and it’s not just web encryption.
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