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systemd/units/serial-getty@.service.in

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license: LGPL-2.1+ -> LGPL-2.1-or-later
2020-11-09 13:23:58 +09:00
# SPDX-License-Identifier: LGPL-2.1-or-later
Add SPDX license headers to unit files
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#
serial: use seperate getty template for serial ttys
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# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
relicense to LGPLv2.1 (with exceptions) We finally got the OK from all contributors with non-trivial commits to relicense systemd from GPL2+ to LGPL2.1+. Some udev bits continue to be GPL2+ for now, but we are looking into relicensing them too, to allow free copy/paste of all code within systemd. The bits that used to be MIT continue to be MIT. The big benefit of the relicensing is that closed source code may now link against libsystemd-login.so and friends.
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# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
serial: use seperate getty template for serial ttys
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# (at your option) any later version.
[Unit]
Description=Serial Getty on %I
man: document systemd-update-generator
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Documentation=man:agetty(8) man:systemd-getty-generator(8)
tree-wide: use https for the 0pointer.de doc links
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Documentation=https://0pointer.de/blog/projects/serial-console.html
unit: rename BindTo= to BindsTo= all other dependencies are in 3rd person. Change BindTo= accordingly to BindsTo=. Of course, the dependency is widely used, hence we parse the old name too for compatibility.
2012-07-13 23:34:40 +02:00
BindsTo=dev-%i.device
units: introduce getty-pre.target (#6667) This new target is a passive unit, hence it is supposed to be pulled in to the transaction by the service that wants to block login on the console (e.g. text version of initial-setup). Now both getty and serial-getty are ordered after this target. https://lists.freedesktop.org/archives/systemd-devel/2015-July/033754.html
2017-08-31 11:20:14 +02:00
After=dev-%i.device systemd-user-sessions.service plymouth-quit-wait.service getty-pre.target
meson: use jinja2 for unit templates We don't need two (and half) templating systems anymore, yay! I'm keeping the changes minimal, to make the diff manageable. Some enhancements due to a better templating system might be possible in the future. For handling of '## ' — see the next commit.
2021-05-16 11:55:36 +02:00
{% if HAVE_SYSV_COMPAT %}
Add Mageia support This patch adds support for the Mageia Linux distribution: http://www.mageia.org/ Mageia is a fork of Mandriva although some divergence has already occured and thus inclusion of these changes upstream allow us to (hopefully) migrate more rapidly to the new standard approaches systemd offers. Indeed, we already use the preferred mechanism of OS identification via the /etc/os-release file rather than a distro specific variation. This patch mostly mirrors the patch added previously for Mandriva support. In addition to those original authors, this patch was mostly written by Dexter Morgan with help from Colin Guthrie and Eugeni Dodonov.
2011-10-28 19:16:33 +02:00
After=rc-local.service
meson: use jinja2 for unit templates We don't need two (and half) templating systems anymore, yay! I'm keeping the changes minimal, to make the diff manageable. Some enhancements due to a better templating system might be possible in the future. For handling of '## ' — see the next commit.
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{% endif %}
serial: use seperate getty template for serial ttys
2010-08-25 03:09:57 +02:00
units: enable utmp for serial gettys too
2010-10-08 18:22:44 +02:00
# If additional gettys are spawned during boot then we should make
# sure that this is synchronized before getty.target, even though
# getty.target didn't actually pull it in.
serial: use seperate getty template for serial ttys
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Before=getty.target
units: exclude gettys from isolate requests gettys are nowadays mostly autospawned and hence usually subject to being shut down on isolate requests, since they are no dependency of any other unit. This is a bad idea if the user isolates between multi-user.graphical and graphical.target, hence exclude them from the isolation. This has the effect that gettys no longer cleaned up when emergency.target is isolated, which might actualy be considered a feature, even though it is a change from previous behaviour... Note that the one getty that really matters (the one on tty1) is still removed when isolating to emergency.target since it conflicts with emergency.service.
2012-04-11 21:58:33 +02:00
IgnoreOnIsolate=yes
serial: use seperate getty template for serial ttys
2010-08-25 03:09:57 +02:00
serial-getty@.service.m4: add Conflicts=/Before= against rescue.service (#5632) Commit 5ed020d8d10fc100c68edddb519f085b7397a45c already fixed this issue for getty@.service but forgot serial console. Note that this is not needed for emergency target as the sysinit target conflicts against this target already.
2017-03-30 10:39:16 +02:00
# IgnoreOnIsolate causes issues with sulogin, if someone isolates
# rescue.target or starts rescue.service from multi-user.target or
# graphical.target.
Revert "units: don't kill the emergency shell when sysinit.target is triggered (#6765)" (#6904) This reverts commit f1e24a259ca182b6cd8a723a56da43435ce48aac. Oops. # systemctl emergency Failed to start emergency.target: Transaction order is cyclic. See syste... See system logs and 'systemctl status emergency.target' for details. # systemctl status emergency.target ● emergency.target - Emergency Mode Loaded: loaded (/usr/lib/systemd/system/emergency.target; static; vendor preset: disabled) Active: inactive (dead) since Mon 2017-09-25 10:43:02 BST; 2h 42min ago Docs: man:systemd.special(7) systemd[1]: sysinit.target: Found dependency on sysinit.target/stop sysinit.target: Unable to break cycle starting with sysinit.target/stop network.target: Found ordering cycle on wpa_supplicant.service/stop network.target: Found dependency on sysinit.target/stop network.target: Found dependency on emergency.target/start network.target: Found dependency on emergency.service/start network.target: Found dependency on serial-getty@ttyS0.service/stop network.target: Found dependency on systemd-user-sessions.service/stop network.target: Found dependency on network.target/stop network.target: Unable to break cycle starting with network.target/stop IMO #6509 is ugly enough that we should aim to answer it. But it could take some time to investigate, so let's re-open the issue as a first step.
2017-09-26 18:47:50 +01:00
Conflicts=rescue.service
Before=rescue.service
serial-getty@.service.m4: add Conflicts=/Before= against rescue.service (#5632) Commit 5ed020d8d10fc100c68edddb519f085b7397a45c already fixed this issue for getty@.service but forgot serial console. Note that this is not needed for emergency target as the sysinit target conflicts against this target already.
2017-03-30 10:39:16 +02:00
serial: use seperate getty template for serial ttys
2010-08-25 03:09:57 +02:00
[Service]
units/*getty*: use /usr/sbin/agetty Same way that we do it for quotaon and debug-shell by going through meson
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ExecStart=-{{AGETTY}} --noreset --noclear --issue-file=/etc/issue:/etc/issue.d:/run/issue.d:/usr/lib/issue.d --keep-baud 115200,57600,38400,9600 - ${TERM}
service: introduce Type=idle and use it for gettys Type=idle is much like Type=simple, however between the fork() and the exec() in the child we wait until PID 1 informs us that no jobs are left. This is mostly a cosmetic fix to make gettys appear only after all boot output is finished and complete. Note that this does not impact the normal job logic as we do not delay the completion of any jobs. We just delay the invocation of the actual binary, and only for services that otherwise would be of Type=simple.
2012-04-24 14:28:00 +02:00
Type=idle
service: rename settings for Restart= from 'restart-always' to 'always' and similar
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Restart=always
units: enable utmp for serial gettys too
2010-10-08 18:22:44 +02:00
UtmpIdentifier=%I
getty: Pass tty to use by agetty via stdin If the tty arg is set to "-", agetty uses the stdin fd as the tty. Let's pass the tty this way so that we keep an fd open to the tty at all times. If all fd's to a tty are closed, the kernel might reset the tty which we want to avoid.
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StandardInput=tty
StandardOutput=tty
exec: hangup/reset/deallocate VTs in gettys Explicitly disconnect all clients from a VT when a getty starts/finishes (requires TIOCVHANGUP, available in 2.6.29). Explicitly deallocate getty VTs in order to flush scrollback buffer. Explicitly reset terminals to a defined state before spawning getty.
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TTYPath=/dev/%I
TTYReset=yes
TTYVHangup=yes
meson: use jinja2 for unit templates We don't need two (and half) templating systems anymore, yay! I'm keeping the changes minimal, to make the diff manageable. Some enhancements due to a better templating system might be possible in the future. For handling of '## ' — see the next commit.
2021-05-16 11:55:36 +02:00
{% if not ENABLE_LOGIND %}
exec: drop process group kill mode since it has little use and confuses the user
2011-03-29 23:31:38 +02:00
KillMode=process
meson: use jinja2 for unit templates We don't need two (and half) templating systems anymore, yay! I'm keeping the changes minimal, to make the diff manageable. Some enhancements due to a better templating system might be possible in the future. For handling of '## ' — see the next commit.
2021-05-16 11:55:36 +02:00
{% endif %}
service: ignore SIGPIPE by default
2012-02-09 03:18:04 +01:00
IgnoreSIGPIPE=no
core: optionally send SIGHUP in addition to the configured kill signal This is useful to fake session ends for processes like shells.
2013-07-30 01:54:59 +02:00
SendSIGHUP=yes
units: Import tty specific credentials for each getty unit As explained in the previous commit, this allows us to configure agetty and login for individual ttys instead of globally.
2024-07-30 16:22:34 +02:00
ImportCredential=tty.serial.%I.agetty.*:agetty.
ImportCredential=tty.serial.%I.login.*:login.
units: Load agetty credentials in all getty units In it's latest release, agetty will support reading the agetty.autologin and login.noauth credentials, so let's make sure we import those in our getty units so they're available to agetty to read.
2023-07-27 16:50:58 +02:00
ImportCredential=agetty.*
ImportCredential=login.*
shell: define three system credentials we can propagate into shell prompts and welcome messages
2024-09-06 16:30:54 +02:00
ImportCredential=shell.*
units/serial-getty@.service: add [Install] section This makes it easier to manually enable and disable specific gettys, and also mirrors getty@.service. http://lists.freedesktop.org/archives/systemd-devel/2014-February/017329.html
2014-02-24 08:02:28 -05:00
[Install]
WantedBy=getty.target
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