NEWS: update for v238
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Zbigniew Jędrzejewski-Szmek
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121
NEWS
121
NEWS
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@ -16,6 +16,127 @@ CHANGES WITH 238 in spe:
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kernels is a necessity, -Dmemory-accounting-default=false can be used
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to revert this change.
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* rpm scriptlets to update the udev hwdb and rules (%udev_hwdb_update,
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%udev_rules_update) and the journal catalog (%journal_catalog_update)
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from the upgrade scriptlets of individual packages now do nothing.
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Transfiletriggers have been added which will perform those updates
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once at the end of the transaction.
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Similar transfiletriggers have been added to execute any sysctl.d
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and binfmt.d rules. Thus, it should be unnecessary to provide any
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scriptlets to execute this configuration from package installation
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scripts.
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* systemd-sysusers gained a mode where the configuration to execute is
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specified on the command line, but this configuration is not executed
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directly, but instead it is merged with the configuration on disk,
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and the result is executed. This is useful for package installation
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scripts which want to create the user before installing any files on
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disk (in case some of those files are owned by that user), while
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still allowing local admin overrides.
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This functionality is exposed to rpm scriplets through a new
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%sysusers_create_package macro. Old %sysusers_create and
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%sysusers_create_inline macros are deprecated.
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A transfiletrigger for sysusers.d configuration is now installed,
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which means that it should be uncessary to call systemd-sysusers from
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package installation scripts, unless the package installs any files
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owned by those newly-created users, in which case
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%sysusers_create_package should be used.
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* Analogous change has been done for systemd-tmpfiles: it gained a mode
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where the command-line configuration is merged with the configuration
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on disk. This is exposed as the new %tmpfiles_create_package macro,
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and %tmpfiles_create is deprecated. A transfiletrigger is installed
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for tmpfiles.d, hence it should be unnecessary to call systemd-tmpfiles
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from package installation scripts.
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* sysusers.d configuration for a user may now also specify the group
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number, in addition to the user number ("u username 123:456"), or
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without the user number ("u username -:456").
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* Configution items for systemd-sysusers can now be specified as
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positional arguments when the new --inline switch is used.
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* The login shell of users created through sysusers.d may now be
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specified (previously, it was always /bin/sh for root and
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/sbin/nologin for other users).
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* systemd-analyze gained a new --global switch to look at global user
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configuration. It also gained a unit-paths verb to list the unit load
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paths that are compiled into systemd (which can be used with
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--systemd, --user, or --global).
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* udevadm trigger gained a new --settle/-w option to wait for any
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triggered events to finish (but just those, and not any other events
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which are triggered meanwhile).
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* The action that systemd-logind takes when the lid is closed and the
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machine is connected to external power can now be configured using
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HandleLidSwitchExternalPower= in logind.conf. Previously, this action
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was determined by HandleLidSwitch=, and, for backwards compatibility,
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is still is, if HandleLidSwitchExternalPower= is not explicitly set.
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* journalctl will periodically call sd_journal_process() to make it
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resilient against inotify queue overruns when journal files are
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rotated very quickly.
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* Two new functions in libsystemd — sd_bus_get_n_queued_read and
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sd_bus_get_n_queued_write — may be used to check the number of
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pending bus messages.
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* systemd gained a new
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org.freedesktop.systemd1.Manager.AttachProcessesToUnit dbus call
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which can be used to migrate foreign processes to scope and service
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units. The primary user for this new API is systemd itself: the
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systemd --user instance uses this call of the systemd --system
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instance to migrate processes if it itself gets the request to
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migrate processes and the kernel refuses this due to access
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restrictions. Thanks to this "systemd-run --scope --user …" works
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again in pure cgroups v2 environments when invoked from the user
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session scope.
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* A new TemporaryFileSystem= setting can be used to mask out part of
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the real file system tree with tmpfs mounts. This may be combined
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with BindPaths= and BindReadOnlyPaths= to hide files or directories
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not relevant to the unit, while still allowing some paths lower in
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the tree to be accessed.
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ProtectHome=tmpfs may now be used to hide user home and runtime
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directories from units, in a way that is mostly equivalent to
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"TemporaryFileSystem=/home /run/user /root".
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* Non-service units are now started with KeyringMode=shared by default.
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This means that mount and swapon and other mount tools have access
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to keys in the main keyring.
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* /sys/fs/bpf is now mounted automatically.
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* QNX virtualization is now detected by systemd-detect-virt and may
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be used in ConditionVirtualization=.
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* IPAccounting= may now be enabled also for slice units.
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* A new -Dsplit-bin= build configuration switch may be used to specify
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whether bin and sbin directories are merged, or if they should be
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included separately in $PATH and various listings of executable
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directories. The build configuration scripts will try to autodetect
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the proper values of -Dsplit-usr= and -Dsplit-bin= based on build
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system, but distributions are encouraged to configure this
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explicitly.
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* A new -Dok-color= build configuration switch may be used to change
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the colour of "OK" status messages.
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* UPGRADE ISSUE: serialization of units using JoinsNamespaceOf= with
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PrivateNetwork=yes was buggy in previous versions of systemd. This
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means that after the upgrade and daemon-reexec, any such units must
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be restarted.
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* INCOMPATIBILITY: as announced in the NEWS for 237, systemd-tmpfiles
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will not exclude read-only files owned by root from cleanup.
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CHANGES WITH 237:
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* Some keyboards come with a zoom see-saw or rocker which until now got
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