Jails

Getting Home Assistant running in a FreeBSD 13.1 jail

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 …

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Monitoring FreeBSD jails from the host

It was May 2021 when I tweeted about monitoring FreeBSD jails which had jail IP addresses only in the 127.0.0.0/8 range. Yesterday, nearly 6 months later, I did the first test of this. This came up because I’m getting a new FreshPorts node ready. I’ve created a file in the jail to be run from …

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Upgrading a FreeBSD 12.2 jail to FreeBSD 13 using mkjail

Mark Felder and I have been working on a minimalist set of jail scripts for creating and updating jails. All jail management is accomplished via standard vanilla FreeBSD jails. No jail managers are involved. Everything goes through jail.conf. In this post: FreeBSD 13.0 host, recently update from FreeBSD 12.2 FreeBSD 12.s jail on that host, …

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snapshot ; ls ; destroy; dataset is busy – WTF?

I have found this bizarre situation where a FreeBSD 12.2 snapshot cannot be destroyed. This is the simple example, which works: [dan@pkg01:~] $ sudo zfs snapshot tank_fast/poudriere@snapshot-for-backup [dan@pkg01:~] $ sudo zfs destroy tank_fast/poudriere@snapshot-for-backup [dan@pkg01:~] $ This is the simple example, which fails: [dan@pkg01:~] $ sudo zfs snapshot tank_fast/poudriere@snapshot-for-backup [dan@pkg01:~] $ ls /usr/local/poudriere/.zfs/snapshot/snapshot-for-backup cache data jails …

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Converting an iocage jail to a vanilla jail

Tonight I got blocked by iocage and handling a ZFS filesystem from within an iocage jail. These are the steps I followed to convert that jail from iocage to a vanilla jail. The variable To make this solution easier to use, at least for me, on future jail migrations, I have these variables: For example, …

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hostmask on an ip address can affect jail DNS

I encountered, and later solved, a DNS issue on a FreeBSD jail. The jail is my web proxy, of sorts. I have one public IP address, which is dynamic (not relevant, but mentioned only in passing) so all incoming web traffic goes to a single internal RFC-1918 IP address. From there, nginx does reverse proxies …

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Creating a new iocage jail

Every time I go to create a new iocage jail, I cannot remember out the command. Here we go, for next time: iocage create -n devgit-ingress01 –thickjail host_hostname=devgit-ingress01.int.unixathome.org ip4_addr=10.0.0.141 –release 12.1-RELEASE iocage create -n devgit-nginx01 –thickjail host_hostname=devgit-nginx01.int.unixathome.org ip4_addr=10.0.0.147 –release 12.1-RELEASE

using zfs rollback for cache clearing

I’m in the final stages of the FreshPorts packages project. One of the last tasks is clearing the packages cache from disk when new package information is loaded into the database. See also: Clearing the packages cache ZFS when you’re not doing ZFS Several of the configuration items have been learned from putting my poudriere …

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Creating a ZFS dataset for testing iocage within a jail

Be warned, this failed. I’m stalled and I have not completed this. I’m going to do jails within a jail. I already do that with poudriere in a jail but here I want to test an older version of iocage before upgrading my current jail hosts to a newer version. In this post: FreeBSD 12.1 …

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