K-REPL
A couple projects I’ve been working on have a need for a REPL style console. I had written a simple framework for creating REPL’s, which is open-sourced here.
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A Java TELNET server
I recently had a reason to need a TELNET server and couldn’t find a Java library that worked for me. After a weekend of hacking, I now have kTelnet, an Open-source, BSD-licensed, TELNET server.
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Quadrigacx API
I’ve recently become very interested in blockchain, and that, naturally led me to Ethereum and Bitcoin. From there, I got a little interested in online trading, but since I prefer not to have to think about trading, I started thinking about a trading bot. Part of the work I needed to do was write a…
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FreeBSD Jail filesystems
I’ve been using FreeBSD jails for a while, and was looking for a simple way to create jail filesystems. After some reading, I came up with this simple script which creates full FreeBSD filesystems. The filesystem can then be used via jail.conf. #!/bin/bash JAILNAME=$1 echo “kjail “$1 JAIL_HOME=/tank/kjail/ FTP=http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/11.1-RELEASE/ # # get packages # if…
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Cross-Compiler fun
I’ve been interested in OS development for a while, and now have a prototypical ARM OS on my private source tree. For that I used gcc-arm-embedded, which worked quite well. However, as time went on, i became interested in building my own tool chains. I started with this list of requirements An up-to-date C/C++ compiler,…
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IPSec VPNs with pfsense
I’ve been trying forever to get a mobile IPSec connection up between my OS X laptop and pfsense. Finally, thanks to this outstanding blog post, it works. I’m especially excited that it works with the default OS X and Android VPN clients. My pfsense config closely mirrors the one specified by Mike Murray pfsense…
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khubla.com Java code released to Maven Central
I was recently asked to release some of my code to Maven Central, and therefore had to figure out how to do it. I’ve now released these khubla.com libraries: cBean Pragmatach antlr4test-maven-plugin OLMReader simpleIOC ParadoxReader The maven coordinates for each are documented on the github pages.
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Configuring the FreeBSD automounter
I have a number of disks in my FreeBSD box which exist only as backups of data. I prefer that they not be mounted all the time, but instead mounted on use. They are 2x internal SATA disks and an external USB3 disk. This blog post explains how they are set up to auto-mount….
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Print-to-Folder on FreeBSD
Some printers, like the one I have (HP 8600 Pro), have “Print-to-Folder” capability. Unfortunately, I have no Windows server, only a FreeBSD box to print to. I can mount folders from the FreeBSD box on my MacBook.. if I can get files to scan there. So, to do that, I need a Samba…
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Outlook for Mac Archives
I recently had a reason to parse a large data set, for another project. I decided that an ideal “large data set” would be my Outlook mail saved archives. Sadly, Outlook for Mac doesn’t output PST files, it outputs OLM archives, which are, essentially, giant zip files full of XML. I was coding this all…