Bytes and Boarding Passes

Bytes and Boarding Passes

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Office Update

I recently got the neat Unix Feuds, Unix Magic, and Unix Views posters printed off myself and framed so that I could post them on my wall: Overall they came out well; I used Costco to make the 20x30 prints and simple poster frames to frame them. You can download

Tech Deep Dive - IPv6 at Home

Tech Deep Dive - IPv6 at Home

For those interested in the technical steps/details of how I got IPv6 running at home, this is the post for you. 1. Create a RIPE profile and associated entries You'll need to create a RIPE profile on RIPE Access; after creating and verifying your profile you should

Adding IPv6 At Home

Adding IPv6 At Home

Unfortunately my primary ISP at home still doesn't offer native IPv6 (major bummer in 2022) and has even set up CGNAT (having to pay extra for a static IP to get around this). I decided that I wasn't going to wait for them to get IPv6

Home Automation Updates

Over the last 6 months or so I've added lots of different automations and devices around the house... All of this is definitely still a work in progress but look here for various updates of what I've been doing and guides on how to do it

International Dialing with Twilio and FreePBX

Just some quick notes on how I went about getting International Dialing working with my personal FreePBX server and a Twilio Elastic SIP Trunk. Twilio requires E.164 formatted numbers so both the outbound route and the outbound trunk must be configured to handle both local US and international numbers

Chinese BitTorrent DDoS Mitigation

Here lately there's been lots of talk about the Great Firewall of China DNS posioning and inadvertently (?) DDoS'ing a servers all over.. The typical requests look similar to this: 125.77.141.10 - - [17/Jan/2015:04:51:21 +0000] "GET /announce.php?

Ugly one-liner for gzip'ed gzip files

Had to rig up this one-liner to un-screw a situation were logrotate was configured to rotate and compress all files in a directory, including ones that had already been rotated and compressed; this sort of configuration lead to gzip'ed gzip files like this: error_log-20141109.gz-20141111.gz-20141113.gz-20141115.

Converting VMAX NAA Values

Quick bash script I put together to convert VMAX NAAs into the values seen within PowerPath on Linux hosts. There's a PowerShell script floating around the internet to do the same thing but nothing in bash. #!/bin/bash # (C) 2014 Erica Morton # Licensed under GPL 2.0 naa=

HBA/bfa bio.c panic on boot

Came across a server with dual Broadcom/QLogic 815 HBAs that was failing to boot with the following error and dropping into debug mode: LOG Firmware heartbeat failure at 0 LOG bfa panic bio.c:1233: 0 Entering the HBA BIOS with CTRL+B or ALT+B was also failing

raxmon - Malformed Response

From Github Issues Page When using the latest version of raxmon (a.k.a. Rackspace Monitoring CLI) you might get the following error: $ raxmon-entities-list Traceback (most recent call last): File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/raxmon-entities-list", line 23, in <module> run_

apachectl Alternate Location

Quick snippet for when Apache isn't listening on 127.0.0.1 or on an alternative port. On RHEL/CentOS add the following to /etc/sysconfig/httpd: STATUSURL=http://<IP>:<PORT>/server-status On Ubuntu add to /etc/apache2/envars: STATUSURL=http://<IP>

awscli 'unknown encoding' error

Just installed the AWS CLI on my Mac and encountered the 'unknown encoding' error when I first tried to use it: $ aws ec2 describe-instances unknown encoding: $ This is caused by the default encoding not being set in Python. There's a couple different ways to go about

Fixing Cloud Servers stuck at gPXE Boot

With Rackspace Cloud Servers there's currently an issue with PVHVM resizing images smaller that causes them to lose their MBR; when this happens you'll see the following in the Java console: If you see this your MBR is gone and you'll need to get

salt-cloud & RackConnect

The development versions of salt-cloud and the libcloud project from the Apache Foundation recently added support for deploying RackConnected instances on the Rackspace Public Cloud. Here's how to get it up and running on Ubuntu 12.04 LTS. NOTE: These instructions assume that you already have a salt-master

bind97 on cPanel

Some Perl module hacking to allow you to use the bind97 packages on CentOS 5 with cPanel. First removing the normal bind packages and installing the bind97 ones: cp -Rf /var/named/ /var/named-$(date +%s) yum remove bind bind-utils bind-devel bind-libs caching-nameserver yum install install bind97 bind97-libs bind97-utils bind97-devel