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Recent meson versions include the directory name in the target name,
so there is no conflict for files with the same name in different
directories. But at least with meson-0.49.2 in buster we have conflict
with sysusers.d/systemd.conf.
HAVE_SMACK_RUN_LABEL was dropped back in 348b44372f,
so one line in etc.conf was not rendered as expected ;(
Checking if names are defined is paying for itself!
/dev/vhost-net is a host accelerator for virtio net devices. It has been
long available and used, thus should be safe to all KVM users.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
/dev/vhost-vsock allows to setup a guest CID and running
state (VHOST_VSOCK_SET_GUEST_CID, VHOST_VSOCK_SET_RUNNING)
All this should be legitimate and safe for KVM users.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This is useful for development where overwriting files out side
the configured prefix will affect the host as well as stateless
systems such as NixOS that don't let packages install to /etc but handle
configuration on their own.
Alternative to https://github.com/systemd/systemd/pull/17501
tested with:
$ mkdir inst build && cd build
$ meson \
-Dcreate-log-dirs=false \
-Dsysvrcnd-path=$(realpath ../inst)/etc/rc.d \
-Dsysvinit-path=$(realpath ../inst)/etc/init.d \
-Drootprefix=$(realpath ../inst) \
-Dinstall-sysconfdir=false \
--prefix=$(realpath ../inst) ..
$ ninja install
commit f00c36641a enabled
crash_kexec_post_notifiers by default regardless of whether pstore
is enabled or not.
The original intention to enabled this option by default is that
it only affects kernel post-panic behavior, so should have no harm.
But this is not true if the user wants a reliable kdump.
crash_kexec_post_notifiers is known to cause problem with kdump,
and it's documented in kernel. It's not easy to fix the problem
because of how kdump works. Kdump expects the crashed kernel to
jump to an pre-loaded crash kernel, so doing any extra job before
the jump will increase the risk.
It depends on the user to choose between having a reliable kdump or
some other post-panic debug mechanic.
So it's better to keep this config untouched by default, or it may put
kdump at higher risk of failing silently. User should enable it by
uncommenting the config line manually if pstore is always needed.
Also add a inline comment inform user about the potential issue.
Thanks to Dave Young for finding out this issue.
Fixes#16661
Signed-off-by: Kairui Song <kasong@redhat.com>
The systemd pstore service archives the contents of /sys/fs/pstore
upon boot so that there is room for a subsequent dump. The issue is
that while the service is present, the kernel still needs to be
configured to write data into the pstore. The kernel has two
parameters, crash_kexec_post_notifiers and printk.always_kmsg_dump,
that control writes into pstore.
The crash_kexec_post_notifiers parameter enables the kernel to write
dmesg (including stack trace) into pstore upon a panic, and
printk.always_kmsg_dump parameter enables the kernel to write dmesg
upon a shutdown (shutdown, reboot, halt).
As it stands today, these parameters are not managed/manipulated by
the systemd pstore service, and are solely reliant upon the user [to
have the foresight] to set them on the kernel command line at boot, or
post boot via sysfs. Furthermore, the user would need to set these
parameters in a persistent fashion so that that they are enabled on
subsequent reboots.
This patch introduces the setting of these two kernel parameters via
the systemd tmpfiles technique.
We already apply them to the directory in /var. Let's do the same in
/run too. That's because due to the log namespace logic we nowadays can
gain additional subdirs there during regular operation.
If a daemon is not started as root, most likely it also can't create its
directory and let's not try to resolve the user in that case either.
Create /run/systemd/netif/lldp with tmpfiles.d like other netif directories.
This is also very helpful for preparing a RootImage for the daemons as NSS crud
is not needed.
We'd copy /etc/nsswitch.conf, /etc/pam.d/, and /etc/issue (*) on every
tmpfiles --create run. I think we should only do this at boot, so if
people install systemd.rpm in a larger transaction and want to create those
files at a later step, we don't interfere with that.
(Stuff like /etc/os-release and /etc/mtab is not really configurable,
we might as was create it uncondtionally.)
(Seemingly, the alternative approach might be to not call
systemd-tmpfiles --create in systemd.rpm %post. But this wouldn't have much
effect, because various packages call it anyway, and our
%tmpfiles_create_package macro does too. So we need to change the
configuration instead.)
(*) We don't provide /usr/share/factory/issue, so normally this fails, but
somebody else might provide that file, so it seems useful to keep the
C line.
If the symlink is not present, UTC is the default. There *is* a slight
advantage to it: humans might expect it to be present and look in /etc.
But it might interfere with post-install scripts and it doesn't serve
any technical purpose. Let's not create it. Fixes#13183.
Booting up an image with --volatile=yes otherwise looks so naked, so
let's include this file in the default factory too. It's common and
simple and should be safe to ship.
If the machine was suddenly shutted down (hard reboot for example) while
processing core dump, temp files created manually (not with a O_TEMPFILE flag)
stay in the system. After reboot systemd-coredump treat them as usual files, so
they wouldn't be rotated and shall pollute the filesystem.
Solution is to simply add those temp files to systemd-tmpfiles configs.
If systemd is not built with PAM support, systemd-user-sessions.service
won't be built. On systems without PAM, /run/nologin is useless. On
systems with PAM but systemd is not built with PAM, /run/nologin won't
be removed and all unprivileged users can't login.
So, we should not create /run/nologin if systemd is built without PAM.
tmp.conf was dealing with 2 different kind of paths: one dealing with general
temporary paths such as /var/tmp and /tmp and the other one dealing with
temporary directories owned by systemd.
If for example a user wants to adjust the age argument of the general paths
only, he had to overload the whole file which is cumbersome and error prone
since any future changes in tmp.conf shipped by systemd will be lost.
So this patch splits out tmp.conf so the systemd directories are dealt
separately in a dedicated conf file. It's named "systemd-tmp.conf" based on the
naming recommendation made in tmpfiles.d man page.
In practice it shouldn't cause any regression since it's very unlikely that
users override paths owned by systemd.
This partially reverts d4e9e574ea,
0187368cad, and
4240cb02fd.
The services systemd-networkd, systemd-resolved, and systemd-timesyncd
enable DynamicUsers= and have bus interfaces. Unfortunately, these
has many problems now. Let us create the relevant users, at least,
tentatively.
Fixes#9503.
This adds a small service "systemd-portabled" and a matching client
"portablectl", which implement the "portable service" concept.
The daemon implements the actual operations, is PolicyKit-enabled and is
activated on demand with exit-on-idle.
Both the daemon and the client are an optional build artifact, enabled
by default rhough.
This directory is used by the DynamicUer= stuff when used in combination
with StateDirectory=/LogDirectory=/CacheDirectory=. Let's make sure the
dir exists early on with the right perms. This is not strictly necessary
as we'll also create the dir on demand if it is missing, but in the
interest of grabbing the name early on, and making things more explicit
let's also list this in a tmpfiles.d/ snippet.
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.
I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
This is an attempt to improve #8228 a bit, by extending the /run/nologin
a bit, but still keeping it somewhat brief.
On purpose I used the vague wording "unprivileged user" rather than
"non-root user" so that pam_nologin can be updated to disable its
behaviour for members of the "wheel" group one day, and our messages
would still make sense.
See #8228.
So far I avoided adding license headers to meson files, but they are pretty
big and important and should carry license headers like everything else.
I added my own copyright, even though other people modified those files too.
But this is mostly symbolic, so I hope that's OK.
This creates a second private resolve.conf file which lists the stub resolver
and the resolved acquired search domains.
This runtime file should be used as a symlink target for /etc/resolv.conf such
that non-nss based applications can resolve search domains.
Fixes: #7009
tmpfiles: remove old ICE and X11 sockets at boot
When not using tmpfs based /tmp, leftover sockets
might prevent X startup. Ensure directory is clean at boot time.
The configuration option was called -Dresolve, but the internal define
was …RESOLVED. This options governs more than just resolved itself, so
let's settle on the version without "d".
The advantage is that is the name is mispellt, cpp will warn us.
$ git grep -Ee "conf.set\('(HAVE|ENABLE)_" -l|xargs sed -r -i "s/conf.set\('(HAVE|ENABLE)_/conf.set10('\1_/"
$ git grep -Ee '#ifn?def (HAVE|ENABLE)' -l|xargs sed -r -i 's/#ifdef (HAVE|ENABLE)/#if \1/; s/#ifndef (HAVE|ENABLE)/#if ! \1/;'
$ git grep -Ee 'if.*defined\(HAVE' -l|xargs sed -i -r 's/defined\((HAVE_[A-Z0-9_]*)\)/\1/g'
$ git grep -Ee 'if.*defined\(ENABLE' -l|xargs sed -i -r 's/defined\((ENABLE_[A-Z0-9_]*)\)/\1/g'
+ manual changes to meson.build
squash! build-sys: use #if Y instead of #ifdef Y everywhere
v2:
- fix incorrect setting of HAVE_LIBIDN2
The directories are only used by the specific services, and
created before the services are started. So, it is not necessary
to create them by systemd-tmpfiles.
Create /var/log/lastlog the same way we create utmp and wtmp.
This is useful for stateless systems where /var is volatile and a
missing /var/log/lastlog otherwise creates error messages like
Jun 27 20:00:00 huron sshd[1234]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Fixes#6234
This fixes commit 5e354b2252 which was an attempt to avoid installation
of tmpfiles.d/systemd-remote.conf when it was not needed (ie HAVE_REMOTE=false).
Before this fix and with the autotool build, systemd-remote.conf was
distributed and also installed (although it was empty) even though
HAVE_REMOTE=false.
That's what happens when doing last second changes without retesting...
While at it, update tmpfiles.d/.gitignore (var.conf was missing as well
since commit a083537e5d).
