Linux

Disabling Gnome's Keyring in Fedora 19

2 min read

An update too Fedora a while ago started causing some unexpected behavior with my dotfiles. Specifically the way I was handling my SSH agent. My SSH keys when …

One-Liner SSL Certificate Generation

1 min read

I regularly find myself in need of generating a quick SSL key and certificate pair. I've been using a one-liner for a while to generate these certificates. No …

Preventing Tmux Lockups

3 min read

Anyone that has used SSH, Tmux or Screen for a while will have inevitably dumped excessive output to their terminal. Depending on the size of the output you may …

Creating Crypt Style SHA512 Passwords With Ruby

1 min read

I needed to generate crypt-style SHA512 passwords in ruby for an /etc/shadow file. After a bunch of Googling and messing around with the OpenSSL library I …

Setting Linux System Timezone

1 min read

I change the timezone on the linux systems so rarely that I almost always have to look it up. I'm writing it up here for my own personal reference. With any …

Starting Puppet Master on Fedora 19

2 min read

I was trying to get puppet running out of the box on Fedora 19 and found a bug exists in their systemd service file. After installing puppet and puppet-server, …

Playing With the Linux Bluetooth Stack

1 min read

List all available Bluetooth interfaces: 1 $ hciconfig -a If you get an error like the following: 1 Operation not possible due to RF-kill You'll need to unblock …

Using Dnsmasq as a Standalone TFTP Server

2 min read

If you've come across this blog post with the intention of setting up TFTP on an modern version of OpenWRT I have a more recent blog post detailing how too …

Configuring PXE Booting on OpenWRT

1 min read

I needed to support PXE booting on my home network. I use OpenWRT as my main router and DHCP server and it took me a bit of searching how to configure the BOOTP …