Converting a VMware Fusion virtual machine to KVM
I’ve been running an instance of my Nagios XI monitor in a VMware Fusion virtual machine on my (aging) Mac Pro. The other day I found a blog post on How I converted a VMware VM to KVM and since my new LAN server is a beefy 8-core AMD FX-8120 with 32GB RAM (as opposed(…)
rpm -V and prelinked binaries
I’v been asked this question a few times over the last year or so, so I thought I would explain some of why you might see some issues on a Fedora or Red Hat Enterprise Linux system (or any other Linux distribution that uses prelinked binaries) when trying to track down strange MD5/SHA1 changes to(…)
Figuring this git thing out
I’m a little old-school in that I like subversion. I’ve used subversion for years, and have had it as a big part of my workflow for a really really long time. Unfortunately, there’s this git thing popping up all over the place and I’m starting to feel dated. (It’s bad enough that my daughter turned(…)
AIDE+gpg 1.0.4 released
I’ve just released AIDE+gpg 1.0.4, which adds support for signing and verifying signatures on the AIDE binary itself (/usr/sbin/aide), and on the AIDE configuration file (/etc/aide.conf). Thanks to George Notaras for giving me the suggestion. Apparently someone other than myself uses these scripts. =) AIDE+gpg is a set of scripts to make AIDE more like(…)
Nagios XI wizards make setup a snap for network monitoring
One of my last TechMails to ever be published by TechRepublic is Nagios XI wizards make setup a snap for network monitoring. This tip looks at using Nagios XI, a really slick commercially-backed install of Nagios with a really incredible GUI frontend for configuring Nagios. Anyone who has configured Nagios by hand using vim and(…)
Two-factor SSH authentication via Google secures Linux logins
Last week’s TechMail was Two-factor SSH authentication via Google secures Linux logins which talks about using Google two-factor authentication with SSH (and PAM in general). I really like it and it works quite well although the comments in the TechMail indicate another option called Duo for two-factor authentication that sounds really interesting as well.