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The systemd System and Service Manager
59,729 Commits 4 Branches 390 Tags 543 MiB
C 89%
Python 5.3%
Shell 4.4%
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Suraj Krishnan cb456374e0 Implement DNS notifications from resolved via varlink 
* The new varlink interface exposes a method to subscribe to DNS
resolutions on the system. The socket permissions are open for owner and
group only.
* Notifications are sent to subscriber(s), if any, after successful
resolution of A and AAAA records.

This feature could be used by applications for auditing/logging services
downstream of the resolver. It could also be used to asynchronously
update the firewall. For example, a system that has a tightly configured
firewall could open up connections selectively to known good hosts based
on a known allow-list of hostnames. Of course, updating the firewall
asynchronously will require other design considerations (such as
queueing packets in the user space while a verdict is made).

See also:
https://lists.freedesktop.org/archives/systemd-devel/2022-August/048202.html
https://lists.freedesktop.org/archives/systemd-devel/2022-February/047441.html
2022-09-09 09:22:57 +01:00
.clusterfuzzlite ci: unpin CFLite 2022-04-26 09:13:57 +00:00
.github ci(issue-labeler): Add missing policy for coredump label 2022-09-06 14:59:00 +00:00
.lgtm/cpp-queries lgtm: dirname() is now icky 2022-08-23 15:10:15 +02:00
.semaphore semaphore: run autopkgtest with sudo 2022-08-11 13:36:15 +02:00
catalog Move message repeat 2022-06-01 00:20:30 +09:00
coccinelle basic/list: drop LIST_IS_EMPTY 2022-07-02 12:46:16 +02:00
docs docs: mention tmpfiles.d in CREDENTIALS.md and add example 2022-09-08 16:33:24 +01:00
factory meson: also allow setting GIT_VERSION via templates 2022-04-05 22:18:31 +02:00
hwdb.d hwdb: Add accel orientation quirk for the Aya Neo Air 2022-09-05 21:48:25 +02:00
LICENSES network: license all config files as CC0 2022-01-12 16:05:59 +01:00
man Implement DNS notifications from resolved via varlink 2022-09-09 09:22:57 +01:00
mkosi.default.d mkosi: add back packages removed from OpenSUSE build 2022-08-26 00:12:55 +01:00
modprobe.d meson: install the right README file in modprobe.d 2021-07-07 14:52:05 +02:00
network network: add example file that enables DHCP on ethernet links 2022-01-12 16:05:59 +01:00
po po: Translated using Weblate (Hungarian) 2022-08-10 06:04:56 +09:00
presets units: enable systemd-network-generator by default 2021-12-16 09:49:39 +01:00
rules.d udev/rules,hwdb: filter out mostly meaningless default strings 2022-09-06 03:38:09 +09:00
shell-completion shell-completion: drop unused $mode 2022-08-28 08:11:26 +00:00
src Implement DNS notifications from resolved via varlink 2022-09-09 09:22:57 +01:00
sysctl.d tree-wide: link to docs.kernel.org for kernel documentation 2022-07-04 19:56:53 +02:00
sysusers.d Use descriptive name for nobody 2022-05-27 22:09:24 +01:00
test Implement DNS notifications from resolved via varlink 2022-09-09 09:22:57 +01:00
tmpfiles.d tree-wide: fix typo 2022-08-02 02:43:38 +09:00
tools ci: simplify the Coverity script a bit 2022-08-11 10:57:25 +02:00
units units: prolong the stop timeout for homed 2022-09-05 15:22:53 +02:00
xorg xorg/50-systemd-user: add a full license header 2021-10-01 14:45:00 +02:00
.clang-format clang-format: Adjust style of pointers 2022-05-30 04:00:54 +09:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig docs: configure editorconfig for css and html 2022-05-17 21:13:17 +02:00
.gitattributes gitattributes: introduce and use "generated" attribute 2021-10-18 09:42:55 +02:00
.gitignore core/cgroup: CPUWeight/CPUShares support idle input 2022-08-11 14:25:58 +02:00
.lgtm.yml Revert "lgtm: disable cpp/missing-return (again)" 2022-04-16 10:59:29 +00:00
.mailmap mailmap: two more names 2021-03-30 13:17:58 +02:00
.packit.yml Packit: build SRPMs in Copr 2022-03-09 09:52:41 +00:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
configure tools: shellcheck-ify tool scripts 2021-09-30 12:27:06 +02:00
LICENSE.GPL2
LICENSE.LGPL2.1
Makefile tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
meson_options.txt core: allow disabling system time correction if rtc returns time far in the future 2022-08-24 21:39:46 +01:00
meson.build meson: Compile with -Werror=format-signedness 2022-08-30 12:03:33 +02:00
mkosi.build mkosi: Print logs of failing tests 2022-08-25 21:42:57 +01:00
mkosi.postinst mkosi: Ensure we build all features/components in mkosi 2022-08-23 15:19:26 +02:00
NEWS mention ConditionKernelVersion= compat break in NEWS 2022-09-01 23:20:11 +02:00
README README: we don't use crypto API in kernel anymore 2022-09-07 11:04:34 +01:00
README.md README: rawhide -> Rawhide 2022-04-06 23:14:21 +09:00
TODO update TODO 2022-09-08 13:14:04 +02:00

README.md

Systemd

System and Service Manager

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Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Code Map for information about this repository's layout and content.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.