SYSTEMD.SYSTEM-CREDENTIALS
Section: systemd.system-credentials (7)
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NAME
systemd.system-credentials - System Credentials
DESCRIPTION
m[blue]System and Service Credentialsm[][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.
WELL KNOWN SYSTEM CREDENTIALS
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.
SEE ALSO
systemd(1),
kernel-command-line(7)
NOTES
- 1.
-
System and Service Credentials
-
https://systemd.io/CREDENTIALS
Index
- NAME
-
- DESCRIPTION
-
- WELL KNOWN SYSTEM CREDENTIALS
-
- SEE ALSO
-
- NOTES
-
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Time: 10:04:07 GMT, May 02, 2024