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NAME | DESCRIPTION | WELL KNOWN SYSTEM CREDENTIALS | SEE ALSO | NOTES | COLOPHON |
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SYSTEMD.SYSTEM-CREDENTIALS(7)d.system-credentialsD.SYSTEM-CREDENTIALS(7)
systemd.system-credentials - System Credentials
System and Service Credentials[1] are data objects that may be
passed into booted systems or system services as they are
invoked. They can be acquired from various external sources, and
propagated into the system and from there into system services.
Credentials may optionally be encrypted with a machine-specific
key and/or locked to the local TPM2 device, and are only
decrypted when the consuming service is invoked.
System credentials may be used to provision and configure various
aspects of the system. Depending on the consuming component
credentials are only used on initial invocations or are needed
for all invocations.
Credentials may be used for any kind of data, binary or text, and
may carry passwords, secrets, certificates, cryptographic key
material, identity information, configuration, and more.
firstboot.keymap
The console key mapping to set (e.g. "de"). Read by
systemd-firstboot(1), and only honoured if no console keymap
has been configured before.
firstboot.locale, firstboot.locale-message
The system locale to set (e.g. "de_DE.UTF-8"). Read by
systemd-firstboot(1), and only honoured if no locale has been
configured before. firstboot.locale sets "LANG", while
firstboot.locale-message sets "LC_MESSAGES".
firstboot.timezone
The system timezone to set (e.g. "Europe/Berlin"). Read by
systemd-firstboot(1), and only honoured if no system timezone
has been configured before.
login.issue
The data of this credential is written to
/etc/issue.d/50-provision.conf, if the file doesn't exist
yet. agetty(8) reads this file and shows its contents at the
login prompt of terminal logins. See issue(5) for details.
Consumed by /usr/lib/tmpfiles.d/provision.conf, see
tmpfiles.d(5).
login.motd
The data of this credential is written to
/etc/motd.d/50-provision.conf, if the file doesn't exist yet.
pam_motd(8) reads this file and shows its contents as
"message of the day" during terminal logins. See motd(5) for
details.
Consumed by /usr/lib/tmpfiles.d/provision.conf, see
tmpfiles.d(5).
network.hosts
The data of this credential is written to /etc/hosts, if the
file doesn't exist yet. See hosts(5) for details.
Consumed by /usr/lib/tmpfiles.d/provision.conf, see
tmpfiles.d(5).
passwd.hashed-password.root, passwd.plaintext-password.root
May contain the password (either in UNIX hashed format, or in
plaintext) for the root users. Read by both
systemd-firstboot(1) and systemd-sysusers(1), and only
honoured if no root password has been configured before.
passwd.shell.root
The path to the shell program (e.g. "/bin/bash") for the
root user. Read by both systemd-firstboot(1) and
systemd-sysusers(1), and only honoured if no root shell has
been configured before.
ssh.authorized_keys.root
The data of this credential is written to
/root/.ssh/authorized_keys, if the file doesn't exist yet.
This allows provisioning SSH access for the system's root
user.
Consumed by /usr/lib/tmpfiles.d/provision.conf, see
tmpfiles.d(5).
sysusers.extra
Additional sysusers.d(5) lines to process during boot.
sysctl.extra
Additional sysctl.d(5) lines to process during boot.
tmpfiles.extra
Additional tmpfiles.d(5) lines to process during boot.
systemd(1), kernel-command-line(7)
1. System and Service Credentials
https://systemd.io/CREDENTIALS
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have
a bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2022-12-17. (At that
time, the date of the most recent commit that was found in the
repository was 2022-12-16.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 252 SYSTEMD.SYSTEM-CREDENTIALS(7)
Pages that refer to this page: systemd.directives(7), systemd.index(7)
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