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https://github.com/systemd/systemd
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NEWS: reword things, change ordering, remove one duplicate
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
4f5278eead
commit
427ddaf60c
157
NEWS
157
NEWS
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@ -34,12 +34,13 @@ CHANGES WITH 255 in spe:
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release to be enabled by default.
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* "systemctl switch-root" is now restricted to initrd transitions only.
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Transitions between real systems should be done with "systemctl soft-reboot"
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instead.
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* The ip=off and ip=none kernel command line options interpreted by
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Transitions between real systems should be done with
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"systemctl soft-reboot" instead.
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* The "ip=off" and "ip=none" kernel command line options interpreted by
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systemd-network-generator will now result in IPv6RA + link-local
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addressing to be disabled, too. Previously DHCP was turned off, but
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addressing being disabled, too. Previously DHCP was turned off, but
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IPv6RA and IPv6 link-local addressing was left enabled.
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* The NAMING_BRIDGE_MULTIFUNCTION_SLOT naming scheme has been deprecated
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@ -55,16 +56,16 @@ CHANGES WITH 255 in spe:
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* The way services are spawned has been overhauled. Previously, a
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process was forked that shared all of the manager's memory (via
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copy-on-write) while doing all the required set ups (e.g.: mount
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copy-on-write) while doing all the required setup (e.g.: mount
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namespaces, CGroup configuration, etc.) before exec'ing the target
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executable. This was problematic for various reasons: several glibc
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APIs were called that are not supposed to be used after a fork but
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before an exec, copy-on-write meant that if either process (the
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manager or the child) touched a memory page a copy was triggered, and
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also the memory footprint of the child process was that of the
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manager but with the memory limits of the service. From this version
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manager, but with the memory limits of the service. From this version
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onward, the new process is spawned using CLONE_VM and CLONE_VFORK
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semantics via posix_spawn(), and it immediately execs a new internal
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semantics via posix_spawn(3), and it immediately execs a new internal
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binary, systemd-executor, that receives the configuration to apply
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via memfd, and sets up the process before exec'ing the target
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executable.
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@ -73,10 +74,10 @@ CHANGES WITH 255 in spe:
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instead of PIDs when the kernel supports it, to improve robustness
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and reliability.
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* A new option SurviveFinalKillSignal= is now supported to configure a
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unit to skip units on the final SIGTERM/SIGKILL spree on shutdown. This
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is part of the required configuration to let a unit's processes survive
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a soft-reboot operation without being interrupted.
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* A new option SurviveFinalKillSignal= can be used to configure the
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unit to be skipped in the final SIGTERM/SIGKILL spree on shutdown.
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This is part of the required configuration to let a unit's processes
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survive a soft-reboot operation.
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* System extension images (sysext) can now set
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EXTENSION_RELOAD_MANAGER=1 in their extension-release files to
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@ -88,19 +89,20 @@ CHANGES WITH 255 in spe:
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* The ExtensionImages= and ExtensionDirectories= options now support
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confexts images/directories.
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* A new option NFTSet= provides a method for integrating dynamic cgroup IDs
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into firewall rules with NFT sets. The benefit of using this setting is to be
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able to use control group as a selector in firewall rules easily and this in
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turn allows more fine grained filtering. Also, NFT rules for cgroup matching
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use numeric cgroup IDs, which change every time a service is restarted, making
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them hard to use in a systemd environment.
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* A new option NFTSet= provides a method for integrating dynamic cgroup
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IDs into firewall rules with NFT sets. The benefit of using this
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setting is to be able to use control group as a selector in firewall
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rules easily and this in turn allows more fine grained filtering.
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Also, NFT rules for cgroup matching use numeric cgroup IDs, which
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change every time a service is restarted, making them hard to use in
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systemd environment.
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* A new option CoredumpReceive= can be set for service and scope units,
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together with Delegate=yes, to make systemd-coredump on the host
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forward core files from processes crashed inside the delegated CGroup
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subtree to systemd-coredump running in the container. This new option
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is by default used by systemd-nspawn containers that use the "--boot"
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switch, i.e. are fully booted up.
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forward core files from processes crashing inside the delegated
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CGroup subtree to systemd-coredump running in the container. This new
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option is by default used by systemd-nspawn containers that use the
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"--boot" switch.
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* A new ConditionSecurity=measured-uki option is now available, to ensure
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a unit can only run when the system has been booted from a measured UKI.
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@ -111,22 +113,22 @@ CHANGES WITH 255 in spe:
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* The $USER environment variable is now always set for services, while
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previously it was only set if User= was specified. A new option
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SetLoginEnvironment= is now supported to determine whether to also set
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$HOME, $LOGNAME and $SHELL.
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$HOME, $LOGNAME, and $SHELL.
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* Socket units now support a new pair of
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PollLimitBurst=/PollLimitInterval= options to configure a limit on
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how often polling events on the file descriptors backing this unit
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will be considered within a time window.
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* Scope units can now be created passing PIDFDs instead of PIDs to select
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* Scope units can now be created using PIDFDs instead of PIDs to select
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the processes they should include.
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* Sending SIGRTMIN+18 with 0x500 as sigqueue() value will now cause the
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manager to dump the list of currently pending jobs.
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* If the kernel supports MOVE_MOUNT_BENEATH, the systemctl and machinectl
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bind and mount-image verbs will now cause the new mount to to replace
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the old mount (if any), instead of overmounting it.
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* If the kernel supports MOVE_MOUNT_BENEATH, the systemctl and
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machinectl bind and mount-image verbs will now cause the new mount to
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replace the old mount (if any), instead of overmounting it.
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TPM2 Support + Disk Encryption & Authentication:
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@ -181,14 +183,6 @@ CHANGES WITH 255 in spe:
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systemd-boot, systemd-stub, ukify, bootctl, kernel-install:
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* The 90-loaderentry kernel-install hook now supports installing device
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trees.
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* ukify is no longer considered experimental, and now ships in /usr/bin/.
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* ukify gained a new verb, inspect, that describes the sections of a UKI
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and print the content of the well-known sections.
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* bootctl will now show whether the system was booted from a UKI in its
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status output.
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@ -225,18 +219,29 @@ CHANGES WITH 255 in spe:
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passed from systemd-boot when running inside Confidential VMs with UEFI
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SecureBoot enabled.
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* ukify is no longer considered experimental, and now ships in /usr/bin/.
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* ukify gained a new verb inspect to describe the sections of a UKI and
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print the contents of the well-known sections.
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* ukify gained a new verb genkey to generate a set of of key pairs for
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signing UKIs and their PCR data.
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* The 90-loaderentry kernel-install hook now supports installing device
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trees.
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systemd-repart:
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* A new option --copy-from= that synthesizes partition definitions from
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the given image, which are then applied to the systemd-repart algorithm,
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has been added.
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* A new option --copy-from= has been added that synthesizes partition
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definitions from the given image, which are then applied by the
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systemd-repart algorithm.
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* A new option --copy-source= has been added, which can be used to specify
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a directory to which CopyFiles= is considered relative to.
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* New --make-ddi=confext, --make-ddi=sysext and --make-ddi=portable options
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have been added to make it easier to generate these types of DDIs,
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without having to provide repart.d definitions for them.
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* New --make-ddi=confext, --make-ddi=sysext, and --make-ddi=portable
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options have been added to make it easier to generate these types of
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DDIs, without having to provide repart.d definitions for them.
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* The dm-verity salt and UUID will now be derived from the specified
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seed value.
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@ -258,11 +263,11 @@ CHANGES WITH 255 in spe:
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* udev will now create symlinks to loopback block devices in the
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/dev/disk/by-loop-ref/ directory that are based on the .lo_file_name
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string field selected during allocation. The systemd-dissect tool and
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the util-linux losetup command now supports a complementing new
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switch --loop-ref= for selecting the string. This means a loopback
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block device may now be allocated under a caller-chosen reference and
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can subsequently be referenced by that without first having to look
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up the block device name the caller ended up with.
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the util-linux losetup command now supports a complementing new switch
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--loop-ref= for selecting the string. This means a loopback block
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device may now be allocated under a caller-chosen reference and can
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subsequently be referenced without first having to look up the block
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device name the caller ended up with.
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* udev also creates symlinks to loopback block devices in the
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/dev/disk/by-loop-inode/ directory based on the .st_dev/st_ino fields
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@ -299,16 +304,16 @@ CHANGES WITH 255 in spe:
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is now dropped, as it never worked, hence it should not be used by
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anyone.
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* The 'prefixstable' ipv6 address generation mode now considers the
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SSID when generating stable addresses, so that a different stable
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address is used when roaming between wireless networks. If you
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already use 'prefixstable' addresses with wireless networks, the
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stable address chosen will be changed by the update.
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* The 'prefixstable' ipv6 address generation mode now considers the SSID
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when generating stable addresses, so that a different stable address
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is used when roaming between wireless networks. If you already use
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'prefixstable' addresses with wireless networks, the stable address
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will be changed by the update.
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* The DHCPv4 client gained a RapidCommit= option, default true, which
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* The DHCPv4 client gained a RapidCommit option, true by default, which
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enables RFC4039 Rapid Commit behavior to obtain a lease in a
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simplified 2-message exchange instead of the typical 4-message
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exchange if also supported by the DHCP server.
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exchange, if also supported by the DHCP server.
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* The DHCPv4 client gained new InitialCongestionWindow= and
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InitialAdvertisedReceiveWindow= options for route configurations.
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@ -320,7 +325,7 @@ CHANGES WITH 255 in spe:
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(RFC8925).
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* The SendHostname= and Hostname= options are now available for the
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DHCPv6 client, independent of the DHCPv4 option, so that these
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DHCPv6 client, independently of the DHCPv4= option, so that these
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configuration values can be set independently for each client.
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* The DHCPv4 and DHCPv6 client state can now be queried via D-Bus,
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@ -345,10 +350,10 @@ CHANGES WITH 255 in spe:
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indirection of NFT set types.
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* The [IPv6AcceptRA] section supports the following new options:
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UsePREF64=, UseHopLimit=, UseICMP6RateLimit= and NFTSet=.
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UsePREF64=, UseHopLimit=, UseICMP6RateLimit=, and NFTSet=.
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* The [IPv6SendRA] section supports the following new options:
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RetransmitSec=, HopLimit=, HomeAgent=, HomeAgentLifetimeSec= and
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RetransmitSec=, HopLimit=, HomeAgent=, HomeAgentLifetimeSec=, and
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HomeAgentPreference=.
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* A new [IPv6PREF64Prefix] set of options, containing Prefix= and
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@ -356,7 +361,7 @@ CHANGES WITH 255 in spe:
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advertisements (RFC8781).
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* The network generator now configures the interfaces with only
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link-local addressing if ip=link-local is specified on the kernel
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link-local addressing if "ip=link-local" is specified on the kernel
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command line.
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* The prefix of the configuration files generated by the network
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@ -381,20 +386,19 @@ CHANGES WITH 255 in spe:
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* systemctl is-failed now checks the system state if no unit is
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specified.
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* systemctl will now automatically soft-reboot if a new root file
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system has been setup in /run/nextroot/ when a reboot operation
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is invoked.
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* systemctl will now automatically soft-reboot if a new root file system
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is found under /run/nextroot/ when a reboot operation is invoked.
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Login management:
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* wall messages now work even when utmp support is disabled, using
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* Wall messages now work even when utmp support is disabled, using
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systemd-logind to query the necessary information.
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* systemd-logind now sends a new PrepareForShutdownWithMetadata D-Bus
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signal before shutdown/reboot/soft-reboot, that includes additional
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information with respect to what PrepareForShutdown has. Currently
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the additional information is the type of operation that is about to
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be executed.
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signal before shutdown/reboot/soft-reboot that includes additional
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information compared to the PrepareForShutdown signal. Currently the
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additional information is the type of operation that is about to be
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executed.
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Hibernation & Suspend:
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@ -432,9 +436,9 @@ CHANGES WITH 255 in spe:
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transient unit.
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* systemd-analyze, systemd-tmpfiles, systemd-sysusers, systemd-sysctl,
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and systemd-binfmt gained a new --tldr option that can be used in
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combination with --cat-config to suppress uninteresting configuration
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lines, such as comments.
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and systemd-binfmt gained a new --tldr option that can be used instead
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of --cat-config to suppress uninteresting configuration lines, such as
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comments and whitespace.
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* resolvectl gained a new "show-server-state" command that shows
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current statistics of the resolver. This is backed by a new
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@ -448,19 +452,19 @@ CHANGES WITH 255 in spe:
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* seccomp now supports the LoongArch64 architecture.
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* systemd-id128 now supports a new -P option to show only values, and
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combining --app with the show verb.
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* systemd-id128 now supports a new -P option to show only values. The
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combination of -P and --app options is also supported.
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* A new pam_systemd_loadkey.so PAM module is now available, which
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allows automatically fetching the passphrase used by cryptsetup to
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unlock the root file system and setting it as the PAM authtok. This
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enables, among other things, configuring auto-unlock of the GNOME
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Keyring / KDE Wallet when autologin is configured.
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* A new pam_systemd_loadkey.so PAM module is now available, which will
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automatically fetch the passphrase used by cryptsetup to unlock the
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root file system and set it as the PAM authtok. This enables, among
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other things, configuring auto-unlock of the GNOME Keyring / KDE
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Wallet when autologin is configured.
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* Many meson options now use the 'feature' type, which means they
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take enabled/disabled/auto as values.
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* A new meson option configfiledir can be used to change where
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* A new meson option -Dconfigfiledir= can be used to change where
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configuration files with default values are installed to.
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* Options and verbs in man pages are now tagged with the version they
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@ -905,9 +909,6 @@ CHANGES WITH 254:
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* ukify has been updated to allow building these UEFI PE "add-on"
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images, using the new 'addon<EFI-ARCH>.efi.stub'.
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* ukify gained a new "genkey" verb for generating a set of of key pairs
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to sign UKIs and their PCR data with.
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* ukify now accepts SBAT information to place in the .sbat PE section
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of UKIs and addons. If a UKI is built the SBAT information from the
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inner kernel is merged with any SBAT information associated with
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