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Gmane
From: Lennart Poettering <lennart <at> poettering.net>
Subject: [ANNOUNCE] systemd 183
Newsgroups: gmane.comp.sysutils.systemd.devel
Date: Friday 25th May 2012 12:28:22 UTC (over 5 years ago)
Heya,

http://www.freedesktop.org/software/systemd/systemd-183.tar.xz

Note that this release is a major technology upgrade, and contains a lot
of new code you probably don't want to stick into your stable
distribution right-away. We expect this to stabilize over the next
handful of releases.

This release is already available in Fedora Rawhide.

From the NEWS file:

        * Note that we skipped 139 releases here in order to set the
          new version to something that is greater than both udev's
          and systemd's most recent version number.

        * udev: all udev sources are merged into the systemd source tree
now.
          All future udev development will happen in the systemd tree. It
          is still fully supported to use the udev daemon and tools without
          systemd running, like in initramfs or other init systems.
Building
          udev though, will require the *build* of the systemd tree, but
          udev can be properly *run* without systemd.

        * udev: /lib/udev/devices/ are not read anymore; systemd-tmpfiles
          should be used to create dead device nodes as workarounds for
broken
          subsystems.

        * udev: RUN+="socket:..."  and udev_monitor_new_from_socket() is
          no longer supported. udev_monitor_new_from_netlink() needs to be
          used to subscribe to events.

        * udev: when udevd is started by systemd, processes which are left
          behind by forking them off of udev rules, are unconditionally
cleaned
          up and killed now after the event handling has finished. Services
or
          daemons must be started as systemd services. Services can be
          pulled-in by udev to get started, but they can no longer be
directly
          forked by udev rules.

        * udev: the daemon binary is called systemd-udevd now and installed
          in /usr/lib/systemd/. Standalone builds or non-systemd systems
need
          to adapt to that, create symlink, or rename the binary after
building
          it.

        * libudev no longer provides these symbols:
            udev_monitor_from_socket()
            udev_queue_get_failed_list_entry()
            udev_get_{dev,sys,run}_path()
          The versions number was bumped and symbol versioning introduced.

        * systemd-loginctl and systemd-journalctl have been renamed
          to loginctl and journalctl to match systemctl.

        * The config files: /etc/systemd/systemd-logind.conf and
          /etc/systemd/systemd-journald.conf have been renamed to
          logind.conf and journald.conf. Package updates should rename
          the files to the new names on upgrade.

        * For almost all files the license is now LGPL2.1+, changed
          from the previous GPL2.0+. Exceptions are some minor stuff
          of udev (which will be changed to LGPL2.1 eventually, too),
          and the MIT licensed sd-daemon.[ch] library that is suitable
          to be used as drop-in files.

        * systemd and logind now handle system sleep states, in
          particulary suspending and hibernating.

        * logind now implements a sleep/shutdown/idle inhibiting logic
          suitable for a variety of uses. Soonishly Lennart will blog
          about this in more detail.

        * var-run.mount and var-lock.mount are no longer provided
          (which prevously bind mounted these directories to their new
          places). Distributions which have not converted these
          directories to symlinks should consider stealing these files
          from git history and add them downstream.

        * We introduced the Documentation= field for units and added
          this to all our shipped units. This is useful to make it
          easier to explore the boot and the purpose of the various
          units.

        * All smaller setup units (such as
          systemd-vconsole-setup.service) now detect properly if they
          are run in a container and are skipped when
          appropriate. This guarantees an entirely noise-free boot in
          Linux container environments such as systemd-nspawn.

        * A framework for implementing offline system updates is now
          integrated, for details see:
          http://freedesktop.org/wiki/Software/systemd/SystemUpdates

        * A new service type Type=idle is available now which helps us
          avoiding ugly interleaving of getty output and boot status
          messages.

        * There's now a system-wide CapabilityBoundingSet= option to
          globally reduce the set of capabilities for the
          system. This is useful to drop CAP_SYS_MKNOD, CAP_SYS_RAWIO,
          CAP_NET_RAW, CAP_SYS_MODULE, CAP_SYS_TIME, CAP_SYS_PTRACE or
          even CAP_NET_ADMIN system-wide for secure systems.

        * There are now system-wide DefaultLimitXXX= options to
          globally change the defaults of the various resource limits
          for all units started by PID 1.

        * Harald Hoyer's systemd test suite has been integrated into
          systemd which allows easy testing of systemd builds in qemu
          and nspawn. (This is really awesome! Ask us for details!)

        * The fstab parser is now implemented as generator, not inside
          of PID 1 anymore.

        * systemctl will now warn you if .mount units generated from
          /etc/fstab are out of date due to changes in fstab that
          haven't been read by systemd yet.

        * systemd is now suitable for usage in initrds. Dracut has
          already been updated to make use of this. With this in place
          initrds get a slight bit faster but primarily are much
          easier to introspect and debug since "systemctl status" in
          the host system can be used to introspect initrd services,
          and the journal from the initrd is kept around too.

        * systemd-delta has been added, a tool to explore differences
          between user/admin configuration and vendor defaults.

        * PrivateTmp= now affects both /tmp and /var/tmp.

        * Boot time status messages are now much prettier and feature
          proper english language. Booting up systemd has never been
          so sexy.

        * Read-ahead pack files now include the inode number of all
          files to pre-cache. When the inode changes the pre-caching
          is not attempted. This should be nicer to deal with updated
          packages which might result in changes of read-ahead
          patterns.

        * We now temporaritly lower the kernel's read_ahead_kb variable
          when collecting read-ahead data to ensure the kernel's
          built-in read-ahead does not add noise to our measurements
          of necessary blocks to pre-cache.

        * There's now RequiresMountsFor= to add automatic dependencies
          for all mounts necessary for a specific file system path.

        * MountAuto= and SwapAuto= have been removed from
          system.conf. Mounting file systems at boot has to take place
          in systemd now.

        * nspawn now learned a new switch --uuid= to set the machine
          ID on the command line.

        * nspawn now learned the -b switch to automatically search
          for an init system.

        * vt102 is now the default TERM for serial TTYs, upgraded from
          vt100.

        * systemd-logind now works on VT-less systems.

        * The build tree has been reorganized. The individual
          components now have directories of their own.

        * A new condition type ConditionPathIsReadWrite= is now available.

        * nspawn learned the new -C switch to create cgroups for the
          container in other hierarchies.

        * We now have support for hardware watchdogs, configurable in
          system.conf.

        * The scheduled shutdown logic now has a public API.

        * We now mount /tmp as tmpfs by default, but this can be
          masked and /etc/fstab can override it.

        * Since udisks doesn't make use of /media anymore we are not
          mounting a tmpfs on it anymore.

        * journalctl gained a new --local switch to only interleave
          locally generated journal files.

        * We can now load the IMA policy at boot automatically.

        * The GTK tools have been split off into a systemd-ui.

        Contributions from: Andreas Schwab, Auke Kok, Ayan George,
        Colin Guthrie, Daniel Mack, Dave Reisner, David Ward, Elan
        Ruusamäe, Frederic Crozat, Gergely Nagy, Guillermo Vidal,
        Hannes Reinecke, Harald Hoyer, Javier Jardón, Kay Sievers,
        Lennart Poettering, Lucas De Marchi, Léo Gillot-Lamure,
        Marc-Antoine Perennou, Martin Pitt, Matthew Monaco, Maxim
        A. Mikityanskiy, Michael Biebl, Michael Olbrich, Michal
        Schmidt, Nis Martensen, Patrick McCarty, Roberto Sassu, Shawn
        Landden, Sjoerd Simons, Sven Anders, Tollef Fog Heen, Tom
        Gundersen

Lennart

-- 
Lennart Poettering - Red Hat, Inc.
 
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