From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hilco Wijbenga Subject: Re: SystemD & Symbolic Links Date: Mon, 26 Dec 2016 20:40:28 -0800 Message-ID: References: <20161227034844.GA14923@jasmine> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:50615) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cLjZD-0000tV-S2 for help-guix@gnu.org; Mon, 26 Dec 2016 23:40:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cLjZD-000456-0d for help-guix@gnu.org; Mon, 26 Dec 2016 23:40:51 -0500 Received: from mail-lf0-x22b.google.com ([2a00:1450:4010:c07::22b]:34669) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cLjZC-00043x-Ol for help-guix@gnu.org; Mon, 26 Dec 2016 23:40:50 -0500 Received: by mail-lf0-x22b.google.com with SMTP id y21so181404991lfa.1 for ; Mon, 26 Dec 2016 20:40:50 -0800 (PST) In-Reply-To: <20161227034844.GA14923@jasmine> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+gcggh-help-guix=m.gmane.org@gnu.org Sender: "Help-Guix" To: help-guix@gnu.org On 26 December 2016 at 19:48, Leo Famulari wrote: > On Mon, Dec 26, 2016 at 03:14:42PM -0800, Hilco Wijbenga wrote: >> Specifically, "systemctl enable guix-daemon" fails with "Failed to >> execute operation: Too many levels of symbolic links" (see [1]). Is >> there a workaround for this? I suppose I could simply copy >> guix-daemon.service into /etc/systemd/system instead of linking to it >> but I'm not sure how many other things will fail because of this >> symlink limitation. > > I recommend copying the service file as you suggested. It's exactly what > I do on Debian, both before systemd 231 and after, and it works fine for > me. Okay, thanks. Why also for systemd >=231? > If the ExecStart value contains a path to '/gnu/store/...', you should > replace that path with > '/var/guix/profiles/per-user/root/guix-profile/bin/guix-daemon'. > > Using the absolute path to /gnu/store only works properly if the service > file is a symlink to root's profile, in which case the executable path > would get updated as root updates their packages. My suggested > replacement will have the same effect. > > If you do that, make sure to recreate the rest of the ExecStart value > after the path to the guix-daemon. Mmm, okay, I'll keep that in mind. > PS What OS are you using? I'm wondering if it's too early to rely on > systemd 231 being widely deployed. This was the latest OpenSUSE (LEAP 42.2) that I'm thinking of using at work. At home I use Gentoo but without systemd so I should not have any issues there. > PPS It's "Guix", without all capital letters :) Huh, yes, I don't know why I made it all caps. :-) And systemd doesn't have any caps either. What is this world coming too! ;-)