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Red Hat

2019


2018


How to thrive at a technical conference

··1647 words·8 mins
I’m at the 2018 Red Hat Summit this week in San Francisco and I am enjoying the interactions between developers, executives, vendors, and engineers.

2017


RHEL 7 STIG v1 updates for openstack-ansible-security

··204 words·1 min
DISA’s final release of the Red Hat Enterprise Linux (RHEL) 7 Security Technical Implementation Guide (STIG) came out a few weeks ago and it has plenty of improvements and changes.

2016


2015


Improving LXC template security

··312 words·2 mins
I’ve been getting involved with the Fedora Security Team lately and we’re working as a group to crush security bugs that affect Fedora, CentOS (via EPEL) and Red Hat Enterprise Linux (via EPEL).

Keep old kernels with yum and dnf

··206 words·1 min
When you upgrade packages on Red Hat, CentOS and Fedora systems, the newer package replaces the older package.

2014


Install sysstat on Fedora 21

··366 words·2 mins
One of the first tools I learned about after working with Red Hat was sysstat.

Text missing in chrome on Linux

··245 words·2 mins
I’m in the process of trying Fedora 20 on my retina MacBook and I ran into a peculiar issue with Chrome.

2013


A humble farewell to Seth Vidal

··402 words·2 mins
I was shocked to see Robyn Bergeron’s email today about Seth Vidal’s passing.

Limit access to the su command

··177 words·1 min
The wheel group exists for a critical purpose and Wikipedia has a concise definition:

2012


Log Android events remotely to a syslog server

··572 words·3 mins
I’m still quite pleased with my Samsung Galaxy SIII but there are some finicky Bluetooth issues with my car that I simply can’t figure out.

Why technical people should blog (but don’t)

··1109 words·6 mins
I originally wrote this post for the Rackspace Blog but I decided to post it here in case some of my readers might have missed it.

New Fedora and EPEL package: httpry

··229 words·2 mins
A fellow Racker showed me httpry about five years ago and I’ve had in my toolbox as a handy way to watch HTTP traffic.

Preparing for Red Hat Exams

··1006 words·5 mins
I originally wrote this post for the Rackspace Blog but I’ve posted it here just in case anyone following my blog’s feed finds it useful.

The Kerberos-hater’s guide to installing Kerberos

··1619 words·8 mins
As promised in my earlier post entitled Kerberos for haters, I’ve assembled the simplest possible guide to get Kerberos up an running on two CentOS 5 servers.

Kerberos for haters

··686 words·4 mins
I’ll be the first one to admit that Kerberos drives me a little insane.

Getting started with SELinux

··564 words·3 mins
I used to be one of those folks who would install Fedora, CentOS, Scientific Linux, or Red Hat and disable SELinux during the installation.

2011


Dual-primary DRBD with OCFS2

··979 words·5 mins
As promised in one of my previous posts about dual-primary DRBD and OCFS2, I’ve compiled a step-by-step guide for Fedora.

2010


Tap into your Linux system with SystemTap

··641 words·4 mins
One of the most interesting topics I’ve seen so far during my RHCA training at Rackspace this week is SystemTap.

2009


2008


2007


Installing package groups with up2date

··304 words·2 mins
A few days ago, I began to install a group of packages with up2date, and the person next to me was surprised that up2date even had this functionality.

rpmdb: Lock table is out of available locker entries

··159 words·1 min
If up2date throws some horrible Python errors and rpm says “rpmdb: Lock table is out of available locker entries”, you can restore your system to normality with the following: