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This commit is contained in:
Eelco Dolstra 2012-05-11 17:39:06 -04:00
parent 2b00e6990c
commit 8a08813d6c
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42
doc/manual/introduction.xml
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@ -17,10 +17,10 @@ store</emphasis>, usually the directory
subdirectory such as
<programlisting>
/nix/store/r8vvq9kq18pz08v249h8my6r9vs7s0n3-firefox-2.0.0.1/
/nix/store/nlc4z5y1hm8w9s8vm6m1f5hy962xjmp5-firefox-12.0
</programlisting>
where <literal>r8vvq9kq…</literal> is a unique identifier for the
where <literal>nlc4z5…</literal> is a unique identifier for the
package that captures all its dependencies (it’s a cryptographic hash
of the package’s build dependency graph). This enables many powerful
features.</para>
@ -72,15 +72,14 @@ sounds risky, but it works extremely well.</para>
<simplesect><title>Multi-user support</title>
<para>Starting at version 0.11, Nix has multi-user support. This
means that non-privileged users can securely install software. Each
user can have a different <emphasis>profile</emphasis>, a set of
packages in the Nix store that appear in the user’s
<envar>PATH</envar>. If a user installs a package that another user
has already installed previously, the package won’t be built or
downloaded a second time. At the same time, it is not possible for
one user to inject a Trojan horse into a package that might be used by
another user.</para>
<para>Nix has multi-user support. This means that non-privileged
users can securely install software. Each user can have a different
<emphasis>profile</emphasis>, a set of packages in the Nix store that
appear in the user’s <envar>PATH</envar>. If a user installs a
package that another user has already installed previously, the
package won’t be built or downloaded a second time. At the same time,
it is not possible for one user to inject a Trojan horse into a
package that might be used by another user.</para>
<!--
<para>More details can be found in Section 3 of our <a
@ -264,8 +263,10 @@ xlink:href="http://www.cs.uu.nl/wiki/Trace/WebHome">TraCE
project</link> (2003-2008). The project was funded by the Software
Engineering Research Program <link
xlink:href="http://www.jacquard.nl/">Jacquard</link> to improve the
support for variability in software systems. Further funding is now
provided by the NIRICT LaQuSo Build Farm project.</para>
support for variability in software systems. Further funding was
provided by the NIRICT LaQuSo Build Farm project. Development is
currently supported by <link
xlink:href="http://www.logicblox.com/">LogicBlox</link>.</para>
</section>
@ -275,7 +276,7 @@ provided by the NIRICT LaQuSo Build Farm project.</para>
<para>This manual tells you how to install and use Nix and how to
write Nix expressions for software not already in the Nix Packages
collection. It also discusses some advanced topics, such as setting
up a Nix-based build farm.</para>
up distributed multi-platform building.</para>
</section>
@ -315,13 +316,12 @@ Upgrading in a Purely Functional Component Deployment Model
paper <citetitle
xlink:href='http://www.st.ewi.tudelft.nl/~dolstra/pubs/servicecm-scm12-final.pdf'>
Service Configuration Management</citetitle> shows how services (e.g.,
web servers) can be deployed and managed through Nix. A short
overview of NixOS is given in the HotOS XI paper <citetitle
xlink:href="http://www.st.ewi.tudelft.nl/~dolstra/pubs/hotos-final.pdf">Purely
Functional System Configuration Management</citetitle>. The Nix
homepage has <link
xlink:href="http://nixos.org/docs/papers.html">an up-to-date list
of Nix-related papers</link>.</para>
web servers) can be deployed and managed through Nix. An overview of
NixOS is given in the JFP article <citetitle
xlink:href="http://www.st.ewi.tudelft.nl/~dolstra/pubs/nixos-jfp-final.pdf">NixOS:
A Purely Functional Linux Distribution</citetitle>. The Nix homepage
has <link xlink:href="http://nixos.org/docs/papers.html">an up-to-date
list of Nix-related papers</link>.</para>
<para>Nix is the subject of Eelco Dolstra’s PhD thesis <citetitle
xlink:href="http://igitur-archive.library.uu.nl/dissertations/2006-0118-200031/index.htm">The