| [hostnamed](https://www.freedesktop.org/wiki/Software/systemd/hostnamed) | D-Bus | yes | yes | GNOME | yes | [Ubuntu](https://launchpad.net/ubuntu/+source/ubuntu-system-service), [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
| [localed](https://www.freedesktop.org/wiki/Software/systemd/localed) | D-Bus | yes | yes | GNOME | yes | [Ubuntu](https://launchpad.net/ubuntu/+source/ubuntu-system-service), [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
| [timedated](https://www.freedesktop.org/wiki/Software/systemd/timedated) | D-Bus | yes | yes | GNOME | yes | [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
-| [initrd interface](https://www.freedesktop.org/wiki/Software/systemd/InitrdInterface) | Environment, flag files | yes | yes | dracut, ArchLinux | yes | ArchLinux | no |
+| [initrd interface](https://systemd.io/INITRD_INTERFACE/) | Environment, flag files | yes | yes | dracut, ArchLinux | yes | ArchLinux | no |
| [Container interface](https://systemd.io/CONTAINER_INTERFACE) | Environment, Mounts | yes | yes | libvirt/LXC | yes | - | no |
| [Boot Loader interface](https://systemd.io/BOOT_LOADER_INTERFACE) | EFI variables | yes | yes | gummiboot | yes | - | no |
| [Service bus API](https://www.freedesktop.org/wiki/Software/systemd/dbus) | D-Bus | yes | yes | system-config-services | no | - | no |
| [$XDG_RUNTIME_DIR](https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html) | Environment | yes | yes | glib, GNOME | yes | - | no |
| [$LISTEN_FDS $LISTEN_PID FD Passing](https://www.freedesktop.org/software/systemd/man/sd_listen_fds.html) | Environment | yes | yes | numerous (via sd-daemon.h) | yes | - | no |
| [$NOTIFY_SOCKET Daemon Notifications](https://www.freedesktop.org/software/systemd/man/sd_notify.html) | Environment | yes | yes | a few, including udev | yes | - | no |
-| [argv[0][0]='@' Logic](https://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons) | `/proc` marking | yes | yes | mdadm | yes | - | no |
+| [argv[0][0]='@' Logic](https://systemd.io/ROOT_STORAGE_DAEMONS/) | `/proc` marking | yes | yes | mdadm | yes | - | no |
| [Unit file format](https://www.freedesktop.org/software/systemd/man/systemd.unit.html) | File format | yes | yes | numerous | no | - | no |
| [Network](https://www.freedesktop.org/software/systemd/man/systemd.network.html) & [Netdev file format](https://www.freedesktop.org/software/systemd/man/systemd.netdev.html) | File format | yes | yes | no | no | - | no |
| [Link file format](https://www.freedesktop.org/software/systemd/man/systemd.link.html) | File format | yes | yes | no | no | - | no |
| [Journal File Format](https://systemd.io/JOURNAL_FILE_FORMAT) | File format | yes | yes | - | maybe | - | no |
| [Journal Export Format](https://www.freedesktop.org/wiki/Software/systemd/export) | File format | yes | yes | - | yes | - | no |
| [Cooperation in cgroup tree](https://www.freedesktop.org/wiki/Software/systemd/PaxControlGroups) | Treaty | yes | yes | libvirt | yes | libvirt | no |
-| [Password Agents](https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents) | Socket+Files | yes | yes | - | yes | - | no |
+| [Password Agents](https://systemd.io/PASSWORD_AGENTS/) | Socket+Files | yes | yes | - | yes | - | no |
| [udev multi-seat properties](https://www.freedesktop.org/wiki/Software/systemd/multiseat) | udev Property | yes | yes | X11, gdm | no | - | no |
| udev session switch ACL properties | udev Property | no | no | - | no | - | no |
| [CLI of systemctl,...](https://www.freedesktop.org/software/systemd/man/systemctl.html) | CLI | yes | yes | numerous | no | - | no |
The recommended way to distinguish between run-from-initrd and run-from-rootfs
for a daemon is to check for `/etc/initrd-release` (which exists on all modern
initrd implementations, see the [initrd
-Interface](http://www.freedesktop.org/wiki/Software/systemd/InitrdInterface)
-for details) which when exists results in `argv[0][0]` being set to `@`, and
-otherwise doesn't. Something like this:
+Interface](https://systemd.io/INITRD_INTERFACE/) for details) which when exists
+results in `argv[0][0]` being set to `@`, and otherwise doesn't. Something like
+this:
```c
#include <unistd.h>
It is intended to be used after boot to ensure that users are
properly notified.</para>
- <para>See the <ulink
- url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
- developer documentation</ulink> for more information about the
- system password logic.</para>
+ <para>See the <ulink url="https://systemd.io/PASSWORD_AGENTS/">developer
+ documentation</ulink> for more information about the system password logic.
+ </para>
<para>Note that these services invoke
<citerefentry><refentrytitle>systemd-tty-ask-password-agent</refentrytitle><manvolnum>1</manvolnum></citerefentry>
or similar.</para>
<para>Additional password agents may be implemented according to
- the <ulink
- url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">systemd
- Password Agent Specification</ulink>.</para>
+ the <ulink url="https://systemd.io/PASSWORD_AGENTS/">systemd Password Agent
+ Specification</ulink>.</para>
<para>If a password is queried on a TTY, the user may press TAB to
hide the asterisks normally shown for each character typed.
<para><filename>systemd-cryptsetup@.service</filename> will ask
for hard disk passwords via the <ulink
- url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
- password agent logic</ulink>, in order to query the user for the
- password using the right mechanism at boot and during
- runtime.</para>
+ url="https://systemd.io/PASSWORD_AGENTS/">password agent logic</ulink>, in
+ order to query the user for the password using the right mechanism at boot
+ and during runtime.</para>
<para>At early boot and when the system manager configuration is reloaded, <filename>/etc/crypttab</filename> is
translated into <filename>systemd-cryptsetup@.service</filename> units by
runtime.</para>
<para><command>systemd-tty-ask-password-agent</command> implements
- the <ulink url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">Password
- Agents Specification</ulink>, and is one of many possible response agents which
+ the <ulink url="https://systemd.io/PASSWORD_AGENTS/">Password Agents
+ Specification</ulink>, and is one of many possible response agents which
answer to queries formulated with
<citerefentry><refentrytitle>systemd-ask-password</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
</para>
start it even manually.</para>
<para>The unit file format is covered by the
- <ulink
- url="https://www.freedesktop.org/wiki/Software/systemd/InterfaceStabilityPromise">Interface
- Stability Promise</ulink>.</para>
+ <ulink url="https://systemd.io/PORTABILITY_AND_STABILITY/">Interface
+ Portability and Stability Promise</ulink>.</para>
</refsect1>
<para>Note that some but not all interfaces provided
by systemd are covered by the
- <ulink url="https://www.freedesktop.org/wiki/Software/systemd/InterfaceStabilityPromise">Interface
- Stability Promise</ulink>.</para>
+ <ulink url="Portability and">Interface Portability and Stability Promise</ulink>.</para>
<para>Units may be generated dynamically at boot and system
manager reload time, for example based on other configuration
</para>
<para>Systems which invoke systemd in a container or initrd environment should implement the <ulink
- url="https://systemd.io/CONTAINER_INTERFACE">Container Interface</ulink> or <ulink
- url="https://www.freedesktop.org/wiki/Software/systemd/InitrdInterface">initrd Interface</ulink>
+ url="https://systemd.io/CONTAINER_INTERFACE">Container Interface</ulink> or
+ <ulink url="https://systemd.io/INITRD_INTERFACE/">initrd Interface</ulink>
specifications, respectively.</para>
</refsect1>