From owner-freebsd-questions@freebsd.org Thu Jun 4 10:40:08 2020 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 9AB6E33446F for ; Thu, 4 Jun 2020 10:40:08 +0000 (UTC) (envelope-from ralf.mardorf@rocketmail.com) Received: from sonic310-57.consmr.mail.ir2.yahoo.com (sonic310-57.consmr.mail.ir2.yahoo.com [77.238.177.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 49d2NR5gk8z4P4y for ; Thu, 4 Jun 2020 10:40:07 +0000 (UTC) (envelope-from ralf.mardorf@rocketmail.com) X-YMail-OSG: 3gEsPrYVM1n23fncBHIXlLYV.jlomJYPJpogWtqFH3Jzk64H9ytTU1Motrc9Aar 563fUOZiOZYuCWAg3bOWVAk1DVuxbG3.SD857FLGXoyJbODnM4qaeLNgTx_mivl3M918Qh_XuFB8 5U1P1Lkj6rhgBVk4tu6cv73DPl_d6_GMOt.fCKThZcFxrSrL60x8p8IUfMJ9QXIst4H7PbZ0C16U SXhuMmv6sYF6VMSb70zrqI1dm_ImYLJ76_9PHfDHT2hwCGcHmBkZOB.p80ZjUZa2LZAizkYasj.I Hw7QdH2SV8BMqwK4x9GZlCaYed40y8t0oE2OGZ7egJKEQTCJXnBqD5UijTqf7MlGmxpBaymvuiE0 ANLrYlXZHUa_UdX1Jk.Pa9JhOd1ccOsEO8xAPDmguBeddE_xef.qTSCp2ix3ekgHkIYdnRbv5at_ MIHEY_LYA1gatl0f8xmkdtLvPeOa5v4Nd1CIfH0iNEbrSwUomTqflE0XCYNhey166jUC2eZ7qPWz 371XQgLPLMjiED4Wc5cd1nCRWatrJkxMfnwE8eZtKNERUbsEZX9Ibp0V3Ep4WCcjZcTLiCqTI6mi MTr2qSK620CyIiAOJMWEfaRXvN0IW1XdGm24fwsN1jfykOqlLd8MLNCV2kp6bvbZMxi1a2MYms15 WMWqIkF43yAQzv5Cm0AeBsvW2TNlPLjAbYOtSkMiUMrVvP.sIXsxwrYvdVZbQEeNE6l9zdLn.6M2 8FnclvF8LR5ETMm.ZopNx8UmhcHIUbUb7LmC3nyRq6_A0OzHLy4moa1SrW4F7N7lXvt64Xj4fH3Z 3TPIlRg1rC_pTKrskTVaNX50xKMFs2foTG5nNEMlHOt.V73LMJjPTEBEAPDUuYxQSdwLACyhNe.Y GjXIhj9nyBq6lW2FczTSb1nW1vbpjqMTdAr.pzivz7V1UU5WgzKnhgmBO70nOMidvVilnjuMa8Re u.QsywzDSNeOqYqgSQc7TpqeOdwWiNHfJ9LfM1tFYsrrASVXqgfyVO.DdR80M24m.XIuRw34rB.7 zxds6WSUxhfy5L.igo7KYH8b1RtfN0KHtXv70UFSAiSjO5GzjNFZRK8i.XBI.9YF4.yBYmcNRpmQ cNNYLYHPeVX0fjSEsz_R2utlQOWWdE16rxtOIg4VHcNkWJqUcLSBP73UCVI5HaYaMmPhnWMrm_yB ITTU10yuckKeWgVsi6PDYALrSZoaKoECaEQTLT.Bi2bYJLpbSRAt0ZobCIFbVh6i5LCdvZweArHB vzpcNy_sv7hYluF143Q_d7bh1UZxXRxnFuYYNbHjhsA2zEOnjxu5oN66xOUrqZDDCYrvITdh0AC4 6xesKDg4qKnyKyvkL5j45wmDffoBivWHMSQ6yT5i.x1K5iV9pKL2JaR.OaMEa7Jb289kRMQiKGc3 Yyf1A5ExPb9k- Received: from sonic.gate.mail.ne1.yahoo.com by sonic310.consmr.mail.ir2.yahoo.com with HTTP; Thu, 4 Jun 2020 10:40:06 +0000 Received: by smtp428.mail.ir2.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID a7f9a59f9841bf31aae3e1d6c89fc5d9; Thu, 04 Jun 2020 10:40:03 +0000 (UTC) Message-ID: Subject: Re: Mininal skills From: Ralf Mardorf To: freebsd-questions@freebsd.org Date: Thu, 04 Jun 2020 12:40:02 +0200 In-Reply-To: References: <20200604103920.20ee2d27@archlinux> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.3 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: WebService/1.1.16037 hermes_yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.6) X-Rspamd-Queue-Id: 49d2NR5gk8z4P4y X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.15 / 15.00]; RCVD_TLS_LAST(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[rocketmail.com:s=s2048]; NEURAL_HAM_MEDIUM(-0.98)[-0.976]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[rocketmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.02)[-1.022]; RCPT_COUNT_ONE(0.00)[1]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; DKIM_TRACE(0.00)[rocketmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[rocketmail.com,reject]; RCVD_IN_DNSWL_NONE(0.00)[77.238.177.30:from]; NEURAL_HAM_SHORT(-0.15)[-0.148]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[rocketmail.com]; ASN(0.00)[asn:34010, ipnet:77.238.176.0/22, country:GB]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_MATCH_FROM(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[77.238.177.30:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jun 2020 10:40:08 -0000 On Thu, 2020-06-04 at 11:19 +0100, Ottavio Caruso wrote: > On Thu, 4 Jun 2020 at 09:39, Ralf Mardorf wrote: > > On Thu, 4 Jun 2020 09:04:45 +0100, Ottavio Caruso wrote: > > > Install, uninstall, break, fix, reinstall, configure. > > ^^^^^ :D > > I don't know what this is. Never happened to me. > > > > For those who "decide" to "break", first becoming familiar with backup > > strategies might be a good idea. > > You missed the "do it in a VM first". If you've never broken a system > maybe it's because you haven't tried hard. > > By being able to use virtualisation, one also picks other skills. I've > learnt a lot by using qemu, setting up virtual serial consoles, > virtual interfaces, ssh forwarding, etc. Things you can not usually do > on bare metal. I'm kidding ;). It's not that hard to break an install. For example # rm -Ir /tmp/foo/* could easily become # rm -Ir / tmp/foo/* or # rm -Ir /tmp/foo/ * due to a human typo or failure of an aged keyboard. A prompt before removing recursively not necessarily does prevent against continuing with the next mistake.