NEWS: prepare NEWS update for 213
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Lennart Poettering
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NEWS
113
NEWS
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@ -1,5 +1,118 @@
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systemd System and Service Manager
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CHANGES WITH 213:
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* A new "systemd-timesyncd" daemon has been added for
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snchronizing the system clock across the network. It
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implements an SNTP client. In contrast to NTP
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implementations such as chrony or the NTP reference server
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this only implements a client side, and does not bother with
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the full NTP complexity, focussing only on querying time
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from one remote server and synchronizing the local clock to
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it. Unless you intend to serve NTP to networked clients or
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want to connect to local hardware clocks this simple NTP
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client should be more than appropriate for most
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installations. The daemon runs with minimal privileges, and
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has been hooked up with networkd to only operate when
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network connectivity is available. The daemon saves the
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current clock to disk every time a new NTP sync has been
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acquired, and uses this to possibly correct the system clock
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early at bootup, in order to accomodate for systems that
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lack an RTC such as the Raspberry Pi and embedded devices,
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and make sure that time monotonically progresses on these
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systems, even if it is not always correct.
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* The "seqnum" interface of libudev has been disabled, as it
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was generally incompatible with device namspacing as
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sequence numbers of devices go "missing" if the devices are
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part of a different namespace.
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* "systemctl list-timers" and "systemctl list-sockets" gained
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a --recursive switch for showing units of these types also
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for all local containers, similar in style to the
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--recursive switch "systemctl list-units" already supports.
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* A new RebootArgument= setting has been added for service
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units, which may be used to specify a kernel reboot argument
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for usage when triggering reboots with StartLimitAction=.
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* A new FailureAction= setting has been added for service
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units which may be used to specify an operation to trigger
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when a service fails. This works similar to
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StartLimitAction=, but unlike it controls what is done
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immediately rather than only after several attempts to
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restart the service in question.
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* hostnamed got updated to also expose the kernel name,
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release and version on the bus. This is useful for executing
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commands like hostnamectl with the -H switch.
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* The bootchart tool can now show cgroup information in the
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graphs it generates.
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* The CFS CPU quota cgroup attribute is now exposed for
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services. The new CPUQuota= switch has been added for this
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which takes a percentage value. Setting this will have the
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result that a service may never get more CPU time than the
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specified percentage, even if the machine is otherwise idle.
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* systemd-networkd learned IPIP and SIT tunnel support.
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* LSB init scripts exposing a dependency on $network will now
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get a dependency on network-online.target rather than simply
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network.target. This should bring LSB handling closer to
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what it was on SysV systems.
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* A new fsck.repair= kernel option has been added to control
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how fsck shall deal with unclean file systems at boot.
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* The (.ini) configuration file parser will now silently
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ignore sections whose name begins with "X-". This may be
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used to maintain application-specific extension sections in unit
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files.
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* machined gained a new API to query the IP addresses of
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registered containers. "machinectl status" has been updated
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to show these addresses in its output.
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* A new call sd_uid_get_display() has been added to the
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sd-login APIs for querying the "primary" session of a
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user. The "primary" session of the user is elected from the
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user's sessions and generally a graphical session is
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preferred over a text one.
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* A minimal systemd-resolved daemon has been added. It
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currently simply acts as a companion to systemd-networkd and
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manages resolv.conf based on per-interface DNS
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configuration, possibly supplied via DHCP. In the long run
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we hope to extend this into a local DNSSEC enabled DNS and
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mDNS cache.
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* Two new service options StartupCPUShares= and
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StartupBlockIOWeight= have been added that work similar to
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CPUShares= and BlockIOWeight= however only apply during
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system startup. This is useful to priorize certain services
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differently during bootup than during normal runtime.
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Contributions from: Ali H. Caliskan, Alison Chaiken, Bas van
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den Berg, Brandon Philips, Cristian Rodríguez, Daniel Buch,
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Dan Kilman, Dave Reisner, David Härdeman, David Herrmann,
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David Strauss, Dimitris Spingos, Djalal Harouni, Eelco
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Dolstra, Evan Nemerson, Florian Albrechtskirchinger, Greg
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Kroah-Hartman, Harald Hoyer, Holger Hans Peter Freyther, Jan
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Engelhardt, Jani Nikula, Jason St. John, Jeffrey Clark,
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Jonathan Boulle, Kay Sievers, Lennart Poettering, Lukas
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Nykryn, Lukasz Skalski, Łukasz Stelmach, Mantas Mikulėnas,
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Marcel Holtmann, Matthew Monaco, Michael Marineau, Michael
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Olbrich, Michal Sekletar, Mike Gilbert, Nis Martensen, Patrik
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Flykt, Philip Lorenz, poma, Ray Strode, Robert Milasan, Scott
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Thrasher, Steven Siloti, Susant Sahani, Tanu Kaskinen, Thomas
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Bächler, Thomas Hindoe Paaboel Andersen, Tom Gundersen, Umut
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Tezduyar Lindskog, WaLyong Cho, Will Woods, Zbigniew
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Jędrzejewski-Szmek
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-- Beijing, 2014-05-24
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CHANGES WITH 212:
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* When restoring the screen brightness at boot, stay away from
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