From owner-freebsd-questions@freebsd.org Mon Mar 1 07:20:52 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3CD22551FBC for ; Mon, 1 Mar 2021 07:20:52 +0000 (UTC) (envelope-from 4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Dps9v04Qbz3NXD for ; Mon, 1 Mar 2021 07:20:50 +0000 (UTC) (envelope-from 4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1614583251; x=1617175251; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:to:from:date:x-thread-info; bh=eLy9nXJwqjOQckwIhSAiHDHbx7LH1jMfJQkqz72GxEQ=; b=G1xDZnFzZ3keBwCVUB46eg+HgPm0ZGMraZSWVkTgTc/BMHhDseqx3alqb1LjOqCmnaxeyG73QdmbxFpFn/B1Ades1BWspqzUHlM3V+Di4Am9e6Bhx1ppqAbY+cwb7UAK1JF7eB5x7m1d6+GFLmWnTd5Po04xS9Kzs3EB3EfB5Rk= X-Thread-Info: NDI1MC4xMi4xZDRjZTAwMDBhYjEwYmIuZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r1.sg.in.socketlabs.com (r1.sg.in.socketlabs.com [142.0.179.11]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 1 Mar 2021 02:20:40 -0500 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r1.sg.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 1 Mar 2021 02:20:40 -0500 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.94 (FreeBSD)) (envelope-from ) id 1lGcr8-00012T-89 for freebsd-questions@freebsd.org; Mon, 01 Mar 2021 07:20:38 +0000 Date: Mon, 1 Mar 2021 07:20:37 +0000 From: Steve O'Hara-Smith To: freebsd-questions@freebsd.org Subject: Re: Panic after updating from source Message-Id: <20210301072037.23816c9a0d2f56d829c9cb09@sohara.org> In-Reply-To: References: <20210228023827.f68e6136d688c0a37206c883@3dresearch.com> <20210228120313.cdb53cab429a38fdf9817d0d@3dresearch.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd12.1) X-Clacks-Overhead: "GNU Terry Pratchett" Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4Dps9v04Qbz3NXD X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=G1xDZnFz; dmarc=none; spf=pass (mx1.freebsd.org: domain of 4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com X-Spamd-Result: default: False [-2.70 / 15.00]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[142.0.176.198:from]; MV_CASE(0.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[sohara.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[142.0.176.198:from:127.0.2.255]; RCVD_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; DKIM_TRACE(0.00)[email-od.com:+]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; FORGED_SENDER(0.30)[steve@sohara.org,4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[142.0.176.198:from]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.82.1d4ce0000ab10bb.8a902e1ddeed4aa4a6b2ed0b742e6342@email-od.com]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2021 07:20:52 -0000 On Sun, 28 Feb 2021 17:17:45 -0700 "Russell L. Carter" wrote: > I've been building freebsd for 25 years too, though I am not > otherwise competent to comment on these details. However I have > been for quite some time now curious about how does a big shop like > netflix update their apparently nearly current freebsd-current > fleet? I only have 5-10 systems and it's still a time hassle to > to just NFS installworld+reboot, never mind grab a console in > single-user mode on every box as an extra step. They can't > possibly be doing that, are they? I can think of a few ways to make it easy and painless. Automate the process via a serial terminal concentrator. Prepare netboot images. Clever custom rc scripts. -- Steve O'Hara-Smith