From owner-freebsd-questions@freebsd.org Mon Mar 11 23:14:28 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 654581531C6F for ; Mon, 11 Mar 2019 23:14:28 +0000 (UTC) (envelope-from kamisouckova@gmail.com) Received: from mail-vs1-f45.google.com (mail-vs1-f45.google.com [209.85.217.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EF1C788DDF for ; Mon, 11 Mar 2019 23:14:25 +0000 (UTC) (envelope-from kamisouckova@gmail.com) Received: by mail-vs1-f45.google.com with SMTP id n14so437531vsp.12 for ; Mon, 11 Mar 2019 16:14:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7XqPXoWH4uY/5eM5IKxstkyBSm9FBHQO+KE3iMFRzxw=; b=eGSptM9FRgiJK5u52XU4vY/X7eoIP3Lr6Sq0JtCwpKdGKiokvs39JahU4xpNOc0QLx IzntmbWemjg+DXJIo1HBOBYqSEIeoPueK8GulYz+OyJuXCok7QkI46XFL3wZH6RfIEtr XiE97Gej9eo1FayNhJsf9ssLlTGMWy6bqKARlF0ANsOmytqcBd/JBlC74lquidh/LYpf nEc5aWhi8YM/RLok/UKiQwshUZCcA9xkOov62zVUIUYTNZEXLuCLacIHmhk7db5c4XUK PFG/I5tAq/L8FPhpcBqe6u1x1fjeUVt7uU3VNLHaQDa7pGvGg9KhhkOg2G8+WVThmndg hAVQ== X-Gm-Message-State: APjAAAWkeGyoP2jL5kT1qcL8lwBZBA+vUSAIL9dBTCtNMIZEcobS8RNc jy1ZfJT0c53BYV5N80CCScLIf2KUdFCQxeQwC3E= X-Google-Smtp-Source: APXvYqxrlE19Z9aA1SiU7s+ybKqOG67cUWCCC7TC+EWox48fr5bODH7z5bqjOI3JvMM9QK9uGaLpEdWgQ+qIFlYN46s= X-Received: by 2002:a67:d91e:: with SMTP id t30mr19408203vsj.27.1552345600281; Mon, 11 Mar 2019 16:06:40 -0700 (PDT) MIME-Version: 1.0 References: <20190311080756.6191bb55.freebsd@edvax.de> In-Reply-To: From: =?UTF-8?B?S2FtaWxhIFNvdcSNa292w6E=?= Date: Tue, 12 Mar 2019 00:06:28 +0100 Message-ID: Subject: Re: Re: Barebone kernel options request To: samir.otmane@numericable.fr Cc: freebsd-questions@freebsd.org X-Rspamd-Queue-Id: EF1C788DDF X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of kamisouckova@gmail.com designates 209.85.217.45 as permitted sender) smtp.mailfrom=kamisouckova@gmail.com X-Spamd-Result: default: False [-4.11 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.993,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[ksp.sk]; MIME_TRACE(0.00)[0:+,1:+]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[45.217.85.209.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.91)[-0.910,0]; RCVD_TLS_LAST(0.00)[]; FORGED_SENDER(0.30)[kamila@ksp.sk,kamisouckova@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[45.217.85.209.rep.mailspike.net : 127.0.0.17]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[kamila@ksp.sk,kamisouckova@gmail.com]; IP_SCORE(-1.20)[ipnet: 209.85.128.0/17(-3.85), asn: 15169(-2.07), country: US(-0.07)]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2019 23:14:28 -0000 > there's things in kernel-land that i'd like to avoid but i've seen no options so far for it. (like as it could be nooptions JAIL) > I'm already aware of kernel configuration file, i'm just asking if one can help to get like that (some kind of patch that would add code like #ifdef JAIL ... #endif). I believe removing jails cannot be done with just the config file and would be a lot of work to do at all. That said, I wouldn't remove them even if I could and didn't need them for isolating services: jails can also be useful for a variety of "unexpected" purposes, such as building ports with poudriere, poking at boot environments, or even playing with linuxulator. On several of my systems, I have zero jails running by default, yet I consider it useful to have them available when the need arises :-) Kamila