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PAMName= (#4967)
A follow-up for #4942, adding a brief but more correct explanation of
the processes.
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shell" does not
This adds a brief explanation, suggesting the use of "systemd-run -M" to
acquire exit status/code information for the invoked process.
My original plan was to propagate the exit code/status in "machinectl
shell" too, but this would mean we'd have to actively watch the shell's
runtime status, and thus would need full, highly privileged and
continious access to the container's system manager, the way
"systemd-run" does it. This would be quite a departure from the
simplistic, low-priviliged OpenShell() bus call implementation of the
current code, that really just acquires a PTY device with a shell
connected.
Moreover it would blur the lines between the two commands even further,
which I think is not desirable. Hence, from now on:
"machinectl shell" is the full-session, interactive shell for human
users
"systemd-run -M …" is the low-level tool, that supports
on-interactive mode, and is more configurable and suitable for
streaming.
Fixes: #4215
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The manpage claimed that ExecStop would be followed immediately by
SIGKILL, whereas the actual behavior is to go through KillMode= and
KillSignal= first.
Fixes #4490
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Fixes: #4914
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Rename the arp proxy option to IPv4ProxyARP= in order to clarify
its relationship to IPv4, and map to the various IPv6 options we have.
Fixes: #4768
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Fix wrong condition test in manager_etc_hosts_lookup(), which caused it to
return an IPv4 answer when an IPv6 question was asked, and vice versa.
Also only return success if we actually found any A or AAAA record.
In systemd-resolved.service(8), point out that /etc/hosts mappings only
affect address-type lookups, not other types.
The test case currently disables DNSSEC in resolved, as there is a bug
where "-t MX" fails due to "DNSSEC validation failed" even after
"downgrading to non-DNSSEC mode". This should be dropped once that bug
gets fixed.
Fixes #4801
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active_slave:
Specifies the new active slave for modes that support it
(active-backup, balance-alb and balance-tlb).
primary slave:
systemd-networks currently lacks the capability to set the primary slave
in an
active-backup bonding. This is necessary if you prefer one interface
over the
other. A common example is a eth0-wlan0 bonding on a laptop where you'd
want to
switch to the wired connection whenever it's available.
Fixes: #2837
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Fixes: #4768
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Make it easier to figure out how to use the journalctl export format.
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calendarspec: allow repetition values with ranges
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Various smaller fixes
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"Every other hour from 9 until 5" can be written as
`9..17/2:00` instead of `9,11,13,15,17:00`
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(#4515)
Since commit 9d06297, mount units from mountinfo are not bound to their devices
anymore (they use the "Requires" dependency instead).
This has the following drawback: if a media is mounted and the eject button is
pressed then the media is unconditionally ejected leaving some inconsistent
states.
Since udev is the component that is reacting (no matter if the device is used
or not) to the eject button, users expect that udev at least try to unmount the
media properly.
This patch introduces a new property "SYSTEMD_MOUNT_DEVICE_BOUND". When set on
a block device, all units that requires this device will see their "Requires"
dependency upgraded to a "BindTo" one. This is currently only used by cdrom
devices.
This patch also gives the possibility to the user to restore the previous
behavior that is bind a mount unit to a device. This is achieved by passing the
"x-systemd.device-bound" option to mount(8). Please note that currently this is
not working because libmount treats the x-* options has comments therefore
they're not available in utab for later application retrievals.
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Fixes: #4654
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When sd_journal_perror() was added some footers weren't updated accordingly.
Let's do so.
Fixes: #4755
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Fixes #1188.
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This adds two new settings BindPaths= and BindReadOnlyPaths=. They allow
defining arbitrary bind mounts specific to particular services. This is
particularly useful for services with RootDirectory= set as this permits making
specific bits of the host directory available to chrooted services.
The two new settings follow the concepts nspawn already possess in --bind= and
--bind-ro=, as well as the .nspawn settings Bind= and BindReadOnly= (and these
latter options should probably be renamed to BindPaths= and BindReadOnlyPaths=
too).
Fixes: #3439
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Udev property ordering
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As requested in
https://github.com/systemd/systemd/pull/4864#pullrequestreview-12372557.
docbook will substitute triple dots for the ellipsis in man output, so this has
no effect on the troff output, only on HTML, making it infinitesimally nicer.
In some places we show output from programs, which use dots, and those places
should not be changed. In some tables, the alignment would change if dots were
changed to the ellipsis which is only one character. Since docbook replaces the
ellipsis automatically, we should leave those be. This patch changes all other
places.
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Networkd man page update and fixes for the fallout
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Our warning message was misleading, because we wouldn't "correct" anything,
we'd just ignore unkown escapes. Update the message.
Also, print just the extracted word (which contains the offending sequences) in
the message, instead of the whole line.
Fixes #4697.
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Various specifier resolution fixes.
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Generalize image dissection logic of nspawn, and make it useful for other tools.
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We shouldn't just have snippets of configuration, but instead
examples which show all the parts necessary to build a certain kind
of setup, with short explanations.
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Add new "khash" API and add new sd_id128_get_machine_app_specific() function
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Go through stop_post on failure (#4770)
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%c and %r rely on settings made in the unit files themselves and hence resolve
to different values depending on whether they are used before or after Slice=.
Let's simply deprecate them and drop them from the documentation, as that's not
really possible to fix. Moreover they are actually redundant, as the same
information may always be queried from /proc/self/cgroup and /proc/1/cgroup.
(Accurately speaking, %R is actually not broken like this as it is constant.
However, let's remove all cgroup-related specifiers at once, as it is also
redundant, and doesn't really make much sense alone.)
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This paragraph was a missed left-over from
79413b673b45adc98dfeaec882bbdda2343cb2f9. Drop it now.
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features we now support
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Note that any exit code is available through $EXIT_STATUS and not through
$EXIT_CODE. This mimics siginfo.
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networkd: support marking links unmanaged
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This closes #4768
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/var/tmp
This extends the --bind= and --overlay= syntax so that an empty string as source/upper
directory is taken as request to automatically allocate a temporary directory
below /var/tmp, whose lifetime is bound to the nspawn runtime. In combination
with the "+" path extension this permits a switch "--overlay=+/var::/var" in
order to use the container's shipped /var, combine it with a writable temporary
directory and mount it to the runtime /var of the container.
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If a source path is prefixed with "+" it is taken relative to the container's
root directory instead of the host. This permits easily establishing bind and
overlay mounts based on data from the container rather than the host.
This also reworks custom_mounts_prepare(), and turns it into two functions: one
custom_mount_check_all() that remains in nspawn.c but purely verifies the
validity of the custom mounts configured. And one called
custom_mount_prepare_all() that actually does the preparation step, sorts the
custom mounts, resolves relative paths, and allocates temporary directories as
necessary.
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Fixes: #4634
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Improvements for notify services (including #4212)
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Setting NotifyAccess=exec allows notifications coming directly from any
control process.
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This adds an API for retrieving an app-specific machine ID to sd-id128.
Internally it calculates HMAC-SHA256 with an 128bit app-specific ID as payload
and the machine ID as key.
(An alternative would have been to use siphash for this, which is also
cryptographically strong. However, as it only generates 64bit hashes it's not
an obvious choice for generating 128bit IDs.)
Fixes: #4667
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Note: the name is "system-update-cleanup.service" rather than
"system-update-done.service", because it should not run normally, and also
because there's already "systemd-update-done.service", and having them named
so similarly would be confusing.
In https://bugzilla.redhat.com/show_bug.cgi?id=1395686 the system repeatedly
entered system-update.target on boot. Because of a packaging issue, the tool
that created the /system-update symlink could be installed without the service
unit that was supposed to perform the upgrade (and remove the symlink). In
fact, if there are no units in system-update.target, and /system-update symlink
is created, systemd always "hangs" in system-update.target. This is confusing
for users, because there's no feedback what is happening, and fixing this
requires starting an emergency shell somehow, and also knowing that the symlink
must be removed. We should be more resilient in this case, and remove the
symlink automatically ourselves, if there are no upgrade service to handle it.
This adds a service which is started after system-update.target is reached and
the symlink still exists. It nukes the symlink and reboots the machine. It
should subsequently boot into the default default.target.
This is a more general fix for
https://bugzilla.redhat.com/show_bug.cgi?id=1395686 (the packaging issue was
already fixed).
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- use "service" instead of "script", because various offline updaters that we have
aren't really scripts, e.g. dnf-plugin-system-upgrade, packagekit-offline-update,
fwupd-offline-update.
- strongly recommend After=sysinit.target, Wants=sysinit.target
- clarify a bit what should happen when multiple update services are started
- replace links to the wiki with refs to the man page that replaced it.
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"*-*-01..03" is now formatted as "*-*-01..03" instead of "*-*-01,02,03"
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