pyrox.dev
1# Release 15.09 ("Dingo", 2015/09/30) {#sec-release-15.09}
2
3In addition to numerous new and upgraded packages, this release has the following highlights:
4
5- The [Haskell](http://haskell.org/) packages infrastructure has been re-designed from the ground up ("Haskell NG"). NixOS now distributes the latest version of every single package registered on [Hackage](http://hackage.haskell.org/) -- well in excess of 8,000 Haskell packages. Detailed instructions on how to use that infrastructure can be found in the [User's Guide to the Haskell Infrastructure](https://nixos.org/nixpkgs/manual/#users-guide-to-the-haskell-infrastructure). Users migrating from an earlier release may find helpful information below, in the list of backwards-incompatible changes. Furthermore, we distribute 51(!) additional Haskell package sets that provide every single [LTS Haskell](http://www.stackage.org/) release since version 0.0 as well as the most recent [Stackage Nightly](http://www.stackage.org/) snapshot. The announcement ["Full Stackage Support in Nixpkgs"](https://nixos.org/nix-dev/2015-September/018138.html) gives additional details.
6
7- Nix has been updated to version 1.10, which among other improvements enables cryptographic signatures on binary caches for improved security.
8
9- You can now keep your NixOS system up to date automatically by setting
10
11```nix
12{
13 system.autoUpgrade.enable = true;
14}
15```
16
17This will cause the system to periodically check for updates in your current channel and run `nixos-rebuild`.
18
19- This release is based on Glibc 2.21, GCC 4.9 and Linux 3.18.
20
21- GNOME has been upgraded to 3.16.
22
23- Xfce has been upgraded to 4.12.
24
25- KDE 5 has been upgraded to KDE Frameworks 5.10, Plasma 5.3.2 and Applications 15.04.3. KDE 4 has been updated to kdelibs-4.14.10.
26
27- E19 has been upgraded to 0.16.8.15.
28
29The following new services were added since the last release:
30
31- `services/mail/exim.nix`
32
33- `services/misc/apache-kafka.nix`
34
35- `services/misc/canto-daemon.nix`
36
37- `services/misc/confd.nix`
38
39- `services/misc/devmon.nix`
40
41- `services/misc/gitit.nix`
42
43- `services/misc/ihaskell.nix`
44
45- `services/misc/mbpfan.nix`
46
47- `services/misc/mediatomb.nix`
48
49- `services/misc/mwlib.nix`
50
51- `services/misc/parsoid.nix`
52
53- `services/misc/plex.nix`
54
55- `services/misc/ripple-rest.nix`
56
57- `services/misc/ripple-data-api.nix`
58
59- `services/misc/subsonic.nix`
60
61- `services/misc/sundtek.nix`
62
63- `services/monitoring/cadvisor.nix`
64
65- `services/monitoring/das_watchdog.nix`
66
67- `services/monitoring/grafana.nix`
68
69- `services/monitoring/riemann-tools.nix`
70
71- `services/monitoring/teamviewer.nix`
72
73- `services/network-filesystems/u9fs.nix`
74
75- `services/networking/aiccu.nix`
76
77- `services/networking/asterisk.nix`
78
79- `services/networking/bird.nix`
80
81- `services/networking/charybdis.nix`
82
83- `services/networking/docker-registry-server.nix`
84
85- `services/networking/fan.nix`
86
87- `services/networking/firefox/sync-server.nix`
88
89- `services/networking/gateone.nix`
90
91- `services/networking/heyefi.nix`
92
93- `services/networking/i2p.nix`
94
95- `services/networking/lambdabot.nix`
96
97- `services/networking/mstpd.nix`
98
99- `services/networking/nix-serve.nix`
100
101- `services/networking/nylon.nix`
102
103- `services/networking/racoon.nix`
104
105- `services/networking/skydns.nix`
106
107- `services/networking/shout.nix`
108
109- `services/networking/softether.nix`
110
111- `services/networking/sslh.nix`
112
113- `services/networking/tinc.nix`
114
115- `services/networking/tlsdated.nix`
116
117- `services/networking/tox-bootstrapd.nix`
118
119- `services/networking/tvheadend.nix`
120
121- `services/networking/zerotierone.nix`
122
123- `services/scheduling/marathon.nix`
124
125- `services/security/fprintd.nix`
126
127- `services/security/hologram.nix`
128
129- `services/security/munge.nix`
130
131- `services/system/cloud-init.nix`
132
133- `services/web-servers/shellinabox.nix`
134
135- `services/web-servers/uwsgi.nix`
136
137- `services/x11/unclutter.nix`
138
139- `services/x11/display-managers/sddm.nix`
140
141- `system/boot/coredump.nix`
142
143- `system/boot/loader/loader.nix`
144
145- `system/boot/loader/generic-extlinux-compatible`
146
147- `system/boot/networkd.nix`
148
149- `system/boot/resolved.nix`
150
151- `system/boot/timesyncd.nix`
152
153- `tasks/filesystems/exfat.nix`
154
155- `tasks/filesystems/ntfs.nix`
156
157- `tasks/filesystems/vboxsf.nix`
158
159- `virtualisation/virtualbox-host.nix`
160
161- `virtualisation/vmware-guest.nix`
162
163- `virtualisation/xen-dom0.nix`
164
165When upgrading from a previous release, please be aware of the following incompatible changes:
166
167- `sshd` no longer supports DSA and ECDSA host keys by default. If you have existing systems with such host keys and want to continue to use them, please set
168
169```nix
170{
171 system.stateVersion = "14.12";
172}
173```
174
175The new option `system.stateVersion` ensures that certain configuration changes that could break existing systems (such as the `sshd` host key setting) will maintain compatibility with the specified NixOS release. NixOps sets the state version of existing deployments automatically.
176
177- `cron` is no longer enabled by default, unless you have a non-empty `services.cron.systemCronJobs`. To force `cron` to be enabled, set `services.cron.enable = true`.
178
179- Nix now requires binary caches to be cryptographically signed. If you have unsigned binary caches that you want to continue to use, you should set `nix.requireSignedBinaryCaches = false`.
180
181- Steam now doesn't need root rights to work. Instead of using `*-steam-chrootenv`, you should now just run `steam`. `steamChrootEnv` package was renamed to `steam`, and old `steam` package -- to `steamOriginal`.
182
183- CMPlayer has been renamed to bomi upstream. Package `cmplayer` was accordingly renamed to `bomi`
184
185- Atom Shell has been renamed to Electron upstream. Package `atom-shell` was accordingly renamed to `electron`
186
187- Elm is not released on Hackage anymore. You should now use `elmPackages.elm` which contains the latest Elm platform.
188
189- The CUPS printing service has been updated to version `2.0.2`. Furthermore its systemd service has been renamed to `cups.service`.
190
191 Local printers are no longer shared or advertised by default. This behavior can be changed by enabling `services.printing.defaultShared` or `services.printing.browsing` respectively.
192
193- The VirtualBox host and guest options have been named more consistently. They can now found in `virtualisation.virtualbox.host.*` instead of `services.virtualboxHost.*` and `virtualisation.virtualbox.guest.*` instead of `services.virtualboxGuest.*`.
194
195 Also, there now is support for the `vboxsf` file system using the `fileSystems` configuration attribute. An example of how this can be used in a configuration:
196
197```nix
198{
199 fileSystems."/shiny" = {
200 device = "myshinysharedfolder";
201 fsType = "vboxsf";
202 };
203}
204```
205
206- "`nix-env -qa`" no longer discovers Haskell packages by name. The only packages visible in the global scope are `ghc`, `cabal-install`, and `stack`, but all other packages are hidden. The reason for this inconvenience is the sheer size of the Haskell package set. Name-based lookups are expensive, and most `nix-env -qa` operations would become much slower if we'd add the entire Hackage database into the top level attribute set. Instead, the list of Haskell packages can be displayed by running:
207
208```ShellSession
209nix-env -f "<nixpkgs>" -qaP -A haskellPackages
210```
211
212Executable programs written in Haskell can be installed with:
213
214```ShellSession
215nix-env -f "<nixpkgs>" -iA haskellPackages.pandoc
216```
217
218Installing Haskell _libraries_ this way, however, is no longer supported. See the next item for more details.
219
220- Previous versions of NixOS came with a feature called `ghc-wrapper`, a small script that allowed GHC to transparently pick up on libraries installed in the user's profile. This feature has been deprecated; `ghc-wrapper` was removed from the distribution. The proper way to register Haskell libraries with the compiler now is the `haskellPackages.ghcWithPackages` function. The [User's Guide to the Haskell Infrastructure](https://nixos.org/nixpkgs/manual/#users-guide-to-the-haskell-infrastructure) provides more information about this subject.
221
222- All Haskell builds that have been generated with version 1.x of the `cabal2nix` utility are now invalid and need to be re-generated with a current version of `cabal2nix` to function. The most recent version of this tool can be installed by running `nix-env -i cabal2nix`.
223
224- The `haskellPackages` set in Nixpkgs used to have a function attribute called `extension` that users could override in their `~/.nixpkgs/config.nix` files to configure additional attributes, etc. That function still exists, but it's now called `overrides`.
225
226- The OpenBLAS library has been updated to version `0.2.14`. Support for the `x86_64-darwin` platform was added. Dynamic architecture detection was enabled; OpenBLAS now selects microarchitecture-optimized routines at runtime, so optimal performance is achieved without the need to rebuild OpenBLAS locally. OpenBLAS has replaced ATLAS in most packages which use an optimized BLAS or LAPACK implementation.
227
228- The `phpfpm` is now using the default PHP version (`pkgs.php`) instead of PHP 5.4 (`pkgs.php54`).
229
230- The `locate` service no longer indexes the Nix store by default, preventing packages with potentially numerous versions from cluttering the output. Indexing the store can be activated by setting `services.locate.includeStore = true`.
231
232- The Nix expression search path (`NIX_PATH`) no longer contains `/etc/nixos/nixpkgs` by default. You can override `NIX_PATH` by setting `nix.nixPath`.
233
234- Python 2.6 has been marked as broken (as it no longer receives security updates from upstream).
235
236- Any use of module arguments such as `pkgs` to access library functions, or to define `imports` attributes will now lead to an infinite loop at the time of the evaluation.
237
238 In case of an infinite loop, use the `--show-trace` command line argument and read the line just above the error message.
239
240 ```ShellSession
241 $ nixos-rebuild build --show-trace
242 …
243 while evaluating the module argument `pkgs' in "/etc/nixos/my-module.nix":
244 infinite recursion encountered
245 ```
246
247 Any use of `pkgs.lib`, should be replaced by `lib`, after adding it as argument of the module. The following module
248
249 ```nix
250 { config, pkgs, ... }:
251
252 with pkgs.lib;
253
254 {
255 options = {
256 foo = mkOption { /* … */ };
257 };
258 config = mkIf config.foo { /* … */ };
259 }
260 ```
261
262 should be modified to look like:
263
264 ```nix
265 { config, pkgs, lib, ... }:
266
267 with lib;
268
269 {
270 options = {
271 foo = mkOption { /* option declaration */ };
272 };
273 config = mkIf config.foo { /* option definition */ };
274 }
275 ```
276
277 When `pkgs` is used to download other projects to import their modules, and only in such cases, it should be replaced by `(import <nixpkgs> {})`. The following module
278
279 ```nix
280 { config, pkgs, ... }:
281
282 let
283 myProject = pkgs.fetchurl {
284 src = url;
285 sha256 = hash;
286 };
287 in
288
289 {
290 imports = [ "${myProject}/module.nix" ];
291 }
292 ```
293
294 should be modified to look like:
295
296 ```nix
297 { config, pkgs, ... }:
298
299 let
300 myProject = (import <nixpkgs> {}).fetchurl {
301 src = url;
302 sha256 = hash;
303 };
304 in
305
306 {
307 imports = [ "${myProject}/module.nix" ];
308 }
309 ```
310
311Other notable improvements:
312
313- The nixos and nixpkgs channels were unified, so one _can_ use `nix-env -iA nixos.bash` instead of `nix-env -iA nixos.pkgs.bash`. See [the commit](https://github.com/NixOS/nixpkgs/commit/2cd7c1f198) for details.
314
315- Users running an SSH server who worry about the quality of their `/etc/ssh/moduli` file with respect to the [vulnerabilities discovered in the Diffie-Hellman key exchange](https://stribika.github.io/2015/01/04/secure-secure-shell.html) can now replace OpenSSH's default version with one they generated themselves using the new `services.openssh.moduliFile` option.
316
317- A newly packaged TeX Live 2015 is provided in `pkgs.texlive`, split into 6500 nix packages. For basic user documentation see [the source](https://github.com/NixOS/nixpkgs/blob/release-15.09/pkgs/tools/typesetting/tex/texlive/default.nix#L1). Beware of [an issue](https://github.com/NixOS/nixpkgs/issues/9757) when installing a too large package set. The plan is to deprecate and maybe delete the original TeX packages until the next release.
318
319- `buildEnv.env` on all Python interpreters is now available for nix-shell interoperability.