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The monkey on your back – Disaster Recovery
Its seems that more and more projects lately have had the mandatory line item “Disaster Recovery” as part of their requirements. Whenever it comes up I try only to pay as much attention to it as...
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SSL Termination, Load Balancers & Java
So you got this killer Java web app you are developing, or you are deploying some super cool off the shelf application, and you decide to use some sort of SSL Accelerator to offload your HTTPS traffic,...
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Sending email as multiple identities with Gmail & Thunderbird
I just figured this one out, and before I forget it. I’ve been a user of Thunderbird’s Multiple Identities feature for a while. It allows you to send mail from a single account using multiple...
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Henplus with Java-Readline for OS X
UPDATE: The procedure below is not entirely correct. It will work, but its not the most straight forward, and it probably won’t get you what you are really looking for. I have written a new procedure...
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IOps calculations
So I got a disk array and I want to know what sort of IOps workload it can support. Articles like IOps? provide a pretty standard formula I have seen before, but only answers the question “Given a...
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NetBeans code templates for Builder Pattern
Here’s a couple of handy code templates (short cuts) for developing classes that use the Builder pattern. This first one creates the Builder inner class itself. I’ve used the abbreviation “pscB” for...
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MySQL user@localhost and user@%
Its always bugged me that I have to create two user accounts in MySQL, one with a wildcard host (%) and another for localhost. Finally investigated it enough to understand why. Briefly, three things...
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These are a few of my favorite apps…
I’m sure everyone’s got ‘em. When you get past the facebook an twitter clients, what are the iOS apps you really find useful? Here’s a bunch of mine. What’s yours? Air Video – This is a really cool app...
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Compiling Java-Readline with GNU readline for OSX
I had previously wrote some instructions for compiling the libreadline-java on OSX with the built-in readline libary on OS X (for use with Henplus). Its time to revisit that, cause it had some issues....
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Adding custom Class-Path entries to a Netbeans Java Application Project
I want to jot this down before I forget. I was working in a Netbeans Java Application project, but I wanted to augment the Class-Path of the MANIFEST.MF in the Jar file to include an additional...
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Quickie to show IP Addresses on console login
Here’s a simple script to put into /etc/rc3.d/ to add the IP addresses to the /etc/issue file so that they appear on the console login screen. Handy for environments like Virtual Box or VMWare, to...
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Of Tomcat, OutOfMemory Errors & Continuous Development
So you are working in your favorite IDE on some sort of web application or web service, and you are continuously deploying to Tomcat but ocassionally the deployment fails, you see the CPU of the JVM...
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Mobile Media Server with a Raspberry Pi
Update: 8.Nov.2013 – Tweaked WiFi config to improve network performance. This thanksgiving we are planning to drive, for once, to our destination in Southern California. In anticipation of the kids...
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Distributed Testing with JMeter on EC2
Here’s a little quickie. I wanted to do some distributed testing with JMeter utilizing EC2 instances as slaves, while running the master/UI locally on my laptop. There are several challenges around...
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These are a few of my favorite apps…
I’m sure everyone’s got ‘em. When you get past the facebook an twitter clients, what are the iOS apps you really find useful? Here’s a bunch of mine. What’s yours? Air Video – This is a really cool app...
View ArticleHeadless Ubuntu 18.04 with VNC Access
Ok, real quick before I forget how I did it. What I wanted to do was to run Ubuntu 18.04 without a monitor and be able to access it via VNC. Here’s the steps: Install Ubuntu 18.04. I made sure the...
View ArticleNotes on my Media Server
I recently rebuilt my media server. Previously it was based on an old ReadyNAS NV+ and Mac Mini. These both have outlasted their lifetimes, they are slow, noisy and large. So I recently rebuilt the...
View ArticleQuest for a multi-platform SSH Config
Since working at home during the pandemic, I had decided to give developing on Windows 10 another shot. Although its a bit more painful to configure a working environment that I’m used to with any...
View ArticleEmacs Tramp on Windows 10
Hot off the heals of figuring out how to configure SSH with Windows 10, I finally figured out how to now use the Windows OpenSSH Client with Emacs Tramp, so I can use the ssh mode rather than plink....
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Building Hadoop, Spark & Jupyter on macOS
So, my goal is simply this, run a Jupyter notebook with a pyspark kernel on macOS Monterey (on Apple Silicon) and read in/process Zstandard compressed JSON files (in Spark) Now, Spark doesn’t...
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