prepare NEWS for next release
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Lennart Poettering
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179
NEWS
179
NEWS
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systemd System and Service Manager
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CHANGES WITH 216:
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* timedated does no longer read NTP unit names from
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* timedated no longer reads NTP implementation unit names from
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/usr/lib/systemd/ntp-units.d/*.list. Alternative NTP
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implementations should add a:
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implementations should add a
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Conflicts=systemd-timesyncd.service
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to take over and replace systemd's NTP functionality.
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to their unit files to take over and replace systemd's NTP
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default functionality.
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* systemd-sysusers gained a new line type "r" for configuring
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which UID/GID ranges to allocate system users/groups
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from. Lines of type "u" may now add an additional column
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that specifies the home directory for the system user to be
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created. Also, systemd-sysusers may now optionally read user
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information from STDIN instead of a file. This is useful for
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invoking it from RPM preinst scriptlets that need to create
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users before the first RPM file is installed since these
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files might need to be owned by them. A new
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%sysusers_create_inline RPM macro has been introduced to do
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just that. systemd-sysusers now updates the shadow files as
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well as the user/group databases, which should enhance
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compatibility with certain tools like grpck.
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* A number of bus APIs of PID 1 now optionally consult
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PolicyKit to permit access for otherwise unpriviliged
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clients under certain conditions. Note that this currently
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doesn't support interactive authentication yet, but this is
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expected to be added eventually, too.
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* /etc/machine-info now has new fields for configuring the
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deployment environment of the machine, as well as the
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location of the machine. hostnamectl has been updated with
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new command to update these fields.
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* systemd-timesyncd has been updated to automatically acquire
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NTP server information from systemd-networkd, which might
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have been discovered via DHCP.
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* systemd-resolved now includes a caching DNS stub resolver
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and a complete LLMNR name resolution implementation. A new
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NSS module "nss-resolve" has been added which make be used
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of glibc's own "nss-dns" to resolve hostnames via
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systemd-resolved. Hostnames, addresses and arbitrary RRs may
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be resolved via systemd-resolved D-Bus APIs. In contrast to
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the glibc internal resolver systemd-resolved is aware of
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multi-homed system, and keeps DNS server and caches separate
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and per-interface. Queries are sent simultaneous on all
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interfaces that have DNS servers configured, in order to
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properly handle VPNs and local LANs which might resolve
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separate sets of domain names. systemd-resolved may acquire
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DNS server information from systemd-resolved automatically,
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which in turn might have discovered them via DHCP. A tool
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"systemd-resolve-host" has been added that may be used to
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query the DNS logic in resolved. systemd-resolved implements
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IDNA and automatically uses IDNA or UTF-8 encoding depending
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on whether classic DNS or LLMNR is used as transport. In the
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next releases we intend to add a DNSSEC and mDNS/DNS-SD
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implementation to systemd-resolved.
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* A new NSS module nss-mymachines has been added, that
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automatically resolves the names of all local registered
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containers to their respective IP addresses.
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* A new client tool "networkctl" for systemd-networkd has been
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added. It currently is entirely passive and will query
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networking configuration from udev, rtnetlink and networkd,
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and present it to the user in a very friendy
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way. Eventually, we hope to extend it to become a full
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control utility for networkd.
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* .socket units gained a new DeferAcceptSec= setting that
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controls the kernels' TCP_DEFER_ACCEPT sockopt for
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TCP. Similar, support for controlling TCP keep-alive
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settings has been added (KeepAliveTimeSec=,
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KeepAliveIntervalSec=, KeepAliveProbes=). Also, support for
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turning off Nagle's algorithm on TCP has been added
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(NoDelay=).
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* logind learnt a new session type "web", for use in projects
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like Cockpit which register web clients as PAM sessions.
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* timer units with at least one OnCalendar= setting will now
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be started only after timer-sync.target has been
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reached. This way they will not elapse before the system
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clock has been corrected by a local NTP client or
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similar. This is particular useful on RTC-less embedded
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machines, that come up with an invalid system clock.
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* systemd-nspawn's --network-veth= switch should now result in
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stable MAC addresses for both the outer and the inner side
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of the link.
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* systemd-nspawn gained a new --volatile= switch for running
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container instances with /etc or /var unpopulated.
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* The kdbus client code has been updated to use the new Linux
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3.17 memfd subsystem instead of the old kdbus-specific one.
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* systemd-networkd's DHCP client and server now support
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FORCERENEW.
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* systemd will no longer inform the kernel about the current
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timezone, as this is necessarily incorrect and racy as the
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kernel has no understanding of DST and similar
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concepts. This hence means FAT timestamps will be always
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considered UTC, similar to what Android is already
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doing. Also, when the RTC is configured to the local time
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(rather than UTC) systemd will never synchronize back to it,
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as this might confuse Windows at a later boot.
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* systemd-analyze gained a new command "verify" for offline
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validation of unit files.
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* systemd-networkd gained support for a couple of additional
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settings for bonding networking setups. Also, the metric for
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statically configured routes may now be configured. For
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network interfaces where this is appropriate the peer IP
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address may now be configured.
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* A new library systemd-terminal has been added that
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implements full TTY stream parsing and rendering. This
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library is supposed to be used later on for implementing a
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full userspace VT subsystem, replacing the current kernel
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implementation.
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* A new tool systemd-journal-upload has been added to push
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journal data to a remote system running
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systemd-journal-remote.
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* journald will no longer forward all local data to another
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running syslog daemon. This change has been made because
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rsyslog (which appears to be the most commonly used syslog
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implementation these days) no longer makes use of this, and
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instead pulls the data out of the journal on its own. Since
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forwarding the messages to a non-existant syslog server is
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more expensive than we assumed we have now turned this
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off. If you run a syslog server that is not a recent rsyslog
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version, you have to turn this option on again
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(ForwardToSyslog= in journald.conf).
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* journald now optionally supports the LZ4 compressor for
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larger journal fields. This compressor should perform much
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better than XZ which was the previous default.
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* machinectl now shows the IP addresses of local containers,
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if it knows them, plus the interface name of the container.
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* A new tool "systemd-escape" has been added that makes it
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easy to escape strings to build unit names and similar.
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* sd_notify() messages may now include a new ERRNO= field
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which is parsed and collected by systemd and shown among the
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"systemctl status" output for a service.
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* A new component "systemd-firstboot" has been added that
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queries the most basic systemd information (timezone,
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hostname, root password) inertactively on first
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boot. Alternatively it may also be used to provision these
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things offline on OS images installed into directories.
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Contributions from: Ansgar Burchardt, Bastien Nocera, Colin
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Walters, Dan Dedrick, Daniel Buch, Daniel Korostil, Daniel
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Mack, Dan Williams, Dave Reisner, David Herrmann, Denis
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Kenzior, Eelco Dolstra, Eric Cook, Hannes Reinecke, Harald
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Hoyer, Hong Shick Pak, Hui Wang, Jean-André Santoni, Jóhann
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B. Guðmundsson, Jon Severinsson, Karel Zak, Kay Sievers, Kevin
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Wells, Lennart Poettering, Lukas Nykryn, Mantas Mikulėnas,
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Marc-Antoine Perennou, Martin Pitt, Michael Biebl, Michael
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Marineau, Michael Olbrich, Michal Schmidt, Michal Sekletar,
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Miguel Angel Ajo, Mike Gilbert, Olivier Brunel, Robert
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Schiele, Ronny Chevalier, Simon McVittie, Sjoerd Simons, Stef
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Walter, Steven Noonan, Susant Sahani, Tanu Kaskinen, Thomas
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Blume, Thomas Hindoe Paaboel Andersen, Timofey Titovets,
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Tobias Geerinckx-Rice, Tomasz Torcz, Tom Gundersen, Umut
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Tezduyar Lindskog, Zbigniew Jędrzejewski-Szmek
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-- Berlin, 2014-08-19
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CHANGES WITH 215:
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