Open Source

cert-puller: using anvil to pull down & install new certificates, then restart services

Now that I have configured my webserver to pull down any new certificates, now it’s time to configure my clients to pull certificates from the webserver. In my quest for a centralized Let’s Encrypt solution, I’ve created the FreeBSD port for acme.sh (an ACME client for Let’s Encrypt) and anvil, a tool for distributing and installing those certificates. In previous blog posts, I’ve described various steps leading up to this: Creating a TXT […]

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anvil – copying the certificates to the website

In my Let’s Encrypt implementation, I am using a centralized acme.sh solution which generates all the certificates I use and authenticates via dns-01 challenges. I use anvil to distribute those certificates. In this post, I will describe how the website pulls the certificates down from the rsync-jail. I will assume you have read my previous post where I describe the cert-shifter process. Configuring the jail host This solution assumes that the acme.sh jail

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cert-shifter: copying certificates from acme.sh to a fresh directory

I have already described how I use acme.sh to obtain SSL certificates from Let’s Encrypt. Today, I’m going to show you how I use anvil to copy those certificates from the original location to another directory, which is then used for rsync by another jail. Throughout this blog post, it is assumed that the cert-shifter will be run as the anvil user. Please adjust to suit your choices. Why shift certificates? As part

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Introducing anvil – Tools for distributing ssl certificates

I’m in the end-stages of finishing off my centralized Let’s Encrypt solution and I’ve released my code as an open source project named anvil. I’ve also created a FreeBSD port. In this post, I outline the anvil tools and how I use them. In future posts, I will detail the individual components, some of which have already appeared in my blog. Why centralized After reading about the FreeBSD cluster’s use of Let’s Encrypt,

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acme.sh: getting free SSL certificates – installation configuration on FreeBSD

This blog post describes my Let’s Encrypt solution which uses acme.sh and dns-01 challenges to obtain SSL certificates. If you are using HTTP challenges, this post might still be useful, but your configuration will differ slightly. Let’s Encrypt is a certificate authority which has become wildly popular since it was launched in April 2016 (just a short 14 months ago). Why so popular? It provides a secure way to offer free SSL certificates.

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My first big Tarsnap backup

NOTE: I wrote this post nearly two years ago, in May 2015. It has been sitting ignored and unloved in my Drafts. I’ve just published it today. I’m big on backups and I use Bacula. I have about 18 TB on about 350 tapes and about 10 TB of backups on disk. I want more. I last used Tarsnap back in July 2010 (I know that because I found the old Tarsnap registration

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Creating an Apple Time Capsule using FreeBSD & ZFS

First, all credit goes to Mark Felder’s blog post upon which this is based. You can buy an Apple Time Capsule (I did) to back up your Mac. Now that I have two MacBook’s, I have run out of space, so now I want to backup to ZFS. By backing up to my ZFS filesystem: I am no longer constrained to the capacity of a single disk I can backup my backups to

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x8dtu

NOTE: this post has been replaced by a newer version. The older post is still available This is x8dtu (named after the Supermicro motherboard). This will be the new FreshPorts server. In short: FreeBSD 11 booting off a mirrored pair of zfsroot SSDs 4.5TB of mirrored ZFS 196612 MB of RAM (yeah, that’s 196GB of RAM) Supermicro X8TDU motherboard Intel Xeon E5620 @ 2.40GHz (two of those, giving 16 CPUs) NOTE: this post

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Pentabarf email tokens

As found at: http://web.archive.org/web/20160309091535/http://pentabarf.org/Email Variables The following variables may be used in the text and subject of the mail {{name}} The name of the recipient. {{person_id}} The person-id of the recipient. {{conference_acronym}} The acronym of the conference if the recipients are conference specific. {{conference_title}} The title of the current conference if the recipients are conference specific. {{email}} The email address of the recipient {{event_title}} A comma-separated list of the events in question.

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Using device.hints to wire physical devices to specific names

I have a system with three tape drives and two tape changers. If one tape library is powered off when the system boots, the device names for the other tape library may be skewed. That is, /dev/sa0 may not be the LTO-4 drive, it will be the SDLT drive. This is not ideal. FreeBSD uses device.hints for this. I have used it before, and for quite some time, however, I learned something new

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