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I use puppet to manage the configuration of the machines I manage. So far, I've been rolling out new resources to machines but recently I've wanted to remove resources from machines. Here's how I modified my cron classes so I could remove cron jobs as well as create them.

Continue reading ‘Writing puppet manifests that can remove resources as well as adding them’ »

I use puppet to distribute my sshd configuration, including pre-generated ssh certificates.

Here's how I bulk create certificates for a bunch of new nodes named b001-b034:

for n in $(seq -w 1 34); do
    ssh-keygen -q -t rsa -f b0$n -C '' -N ''
done