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Complete network shutdown – wtf?

Leave a Comment / Eaton, nut, UPS / By /

This afternoon, I was running an Ansible script to update the snmpd configuration settings on nagios03 (which replaced nagios02 – which was intentionally destroyed earlier today). After the script completed, I could not access the ngaios3 website, nor could I ssh into the host. My first thoughts: I must have messed up the ssh configuration, I’ll fix it through the console. I can’t get to anything. Anywhere. WIFI now? No, it’s me that’s […]

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Loading up an old copy of a PostgreSQL database, zfs snapshots, and sanoid snapshot management

Leave a Comment / FreeBSD, Open Source, PostgreSQL, sanoid, snapshots, ZFS / By /

Sometimes you want to go back to a known good state. And you want to do it quickly, without waiting around. In my case, that’s going to be a zfs snapshot. Today I am preparing to test some code changes so that FreshPorts properly creates a new category. See these recent blog posts for details: Welcome to the new category: filesystems Fixing the category creation code In this post: FreeBSD 14.1-RELEASE-p5 postgresql16-server-16.4 dbclone

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What’s this gap in the graphs?

Leave a Comment / Backups, Bacula, FreeBSD / By /

I was checking email this (Friday Jul 19, 2024) morning, over coffee, while many IT folks dealt with Cloudstrike fallout, when I noticed this message from the logs: Jul 19 09:12:18 zuul kernel: [zone: pf states] PF states limit reached I’ve seen that message before. It’s not of high concern. That server contains many services including PGCon, the former BSDCan website, and my blogs. I didn’t give it much concern, although I should

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Transferring a VM from one provider to another

Leave a Comment / Azure, DigitalOcean, FreeBSD, ZFS / By /

Yesterday, I mentioned (in more than one place) that I planned to move a 2017 Digital Ocean droplet over to Azure. As I sit here, with coffee, on the balcony, overlooking lot of green trees, at 7:45 AM, I’m trying to put into words the plan I came up with about 30 minutes ago. In this post: Digital Ocean Microsoft Azure FreeBSD 14.1 Why move? There is no technical issue or dissatisfaction involved

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Updating some jails from FreeBSD 14.0 to FreeBSD 14.1 via mkjail

Leave a Comment / FreeBSD, mkjail, Open Source / By /

I’ve updated all my hosts to FreeBSD 14.1 – but not all the jails. I’m going to do some of that today. In this post: FreeBSD 14.0 FreeBSD 14.1 mkjail-0.0.4 What’s on r730-03 to update? Full disclosure: mkjail was originally written by Mark Felder, and I joined him in maintaining it. I use it for: Creating jails Updating jails (patching, like freebsd-update fetch install) Upgrading jails (as in going from FreeBSD 14.0 to

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r730-01

Leave a Comment / DELL, hardware, R730 / By /

This is the Dell R730 host known as r730-01. For reference, the previous post on this server is still available. A few days ago, this host had a change in CPU and RAM. This is my primary developer server in my basement. gpart zpool list zpool status zfs list dmesg sesutil show jls pciconf (added 2025-09-27)

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Post upgrade – checking the jails

Leave a Comment / FreeBSD, freebsd-update, Jails, Open Source / By /

Stuff goes wrong. I like to check. Trust. But. Verify. Skip to the end for the list of useful commands. Here’s some of that verification, as briefly mentioned in FreeBSD 14 upgrade – files not removed by delete-old and Excluding some jails from upgrade. After upgrading all the jails on r730-01, I wanted to make sure that all the binaries had been updated from FreeBSD 13. Here’s what I did. This tells me

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