August 2022

da12 in my FreeBSD zfs array disappeared at :02 and came back at :04

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This post is based on a tweet and was created after a followup incident occurred today. The post was created to consolidate the information into a blog post so I could easily find it later. Details about this host (disks, zpool, gpart, etc) are in this post. On March 15 2022, I noticed these messages in /var/log/messages: The zpool array was degraded. I don’t have a record of that message. The tweet also […]

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Adding an SSL certificate to HomeAssistant

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In my previous blog post, I got homeassistant up and running, but without a TLS connection. Let’s fix that. In this post: FreeBSD 13.1 but that’s not relevant to the work being done homeassistant-2022.8.7 creation of a certificate is not covered the sysadmin.com guide covers this – it creates a self-signed cert I’m using a Let’s Encrypt certificate I have the application running from the command line. I stopped it before doing these

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Getting Home Assistant running in a FreeBSD 13.1 jail

15 Comments / FreeBSD, General, homeassistant, Jails, Open Source / By /

Home Assistant is not friendly for plain installs. It seems designed for containers or running everything out of pip install. That, in itself, is a disturbing trend I’ve seen on several projects (what? you’re not running a git cloned image?). I’ve seen reports of people running containers etc. However, I want to run this on FreeBSD. I don’t want to muck about with installing containers etc. If containers are the only way for

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nsupdate – update failed: REFUSED

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A while back, the https://www.freebsddiary.org/topics.php#opteron – the colo facility was purchased and the new owners are not interested in donating services to open source projects. That host also acted as a DNS host for all my domain. I pressed a small VPS into service. It handled the query services fine, but updates were sluggish. It took a few hours for it to catch up to Let’s Encrypt renewals. To be fair, this $5

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Grace Hopper – My impressions

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I wrote this in October 2016. It was not published until August 2022. I loved being at Grace Hopper. I met some very great people and had the opportunity to talk to them about open source software. I got some great ideas from some folks and I sure hope the stuff I passed on will encourage others to take up open source. There’s money at Grace Hopper. Lots of money. I counted 9

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Creating a wireguard connection between my home and colo

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For years I’ve run the dev, test, and stage nodes for FreshPorts off servers in my basement. This meant that those hostnames have always pointed at my home IP address. I’d like to change that. I first started this using interactive commands (e.g. wg set) but found that approach unsatisfactory. I think directly editing the configuration file to be more intuitive and easily followed. I left my first approach up because it had

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Creating a wireguard connection between my home and colo – failed attempt

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NOTE: I wrote this, got stuck, then went a slightly different direction: I stopped using wg set Instead, I updated the configuration files directly I was not satisfied with the wg approach Although it is great for modifying things on the file, I don’t think it helps novices learn Wireguard I’m leaving it here anyway. Please use Creating a wireguard connection between my home and colo instead. None of these keys/IP addresses are

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How I configure dma for mail delivery in jails on my internet hosts

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This is based on a series of tweets which I now want to place into blog post. When I go searching for something I’ve done before, I usually check my blog first. dma is “is a small Mail Transport Agent (MTA), designed for home and office use. It accepts mails from locally installed Mail User Agents (MUA) and delivers the mails either locally or to a remote destination. Remote delivery includes several features

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mps0: IOC Fault 0x40007e23, Resetting

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Here I am, sitting on a beach, writing a blog post, and sipping a cool adult beverage. Reading email. I see this: I quickly ssh into the host to check zpool status: Lines 15-17 are relevant. There was a resilver event, which completed at 08:49:48 The vdev state changed event occurred at 08:49:34 That all seems to tie in, time-wise. More info than you want This displays vdev guids: Line 11 shows the

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logcheck – egrep: trailing backslash (\)

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When updating to FreeBSD 13.1, I started getting these messages from sysutils/logcheck: egrep: trailing backslash (\) This post will document how I tracked down the problem. It is occurring on several hosts. In this post: FreeBSD 13.1 logcheck-1.3.24 Other similar issues I suspect the issue arises because of the change from egrep 2.5.1 under FreeBSD 12.3 to egrep 2.6.0 under FreeBSD 13.1. After the upgrade, I also encountered some egrep: empty (sub)expression messages

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