[thirdparty/systemd.git] / NEWS

systemd System and Service Manager

CHANGES WITH 42:
        * This is an important bugfix release for v41.

        * Building man pages is now optional which should be useful
          for those building systemd from git but unwilling to install
          xsltproc.

        * Watchdog support for supervising services is now usable. In
          a future release support for hardware watchdogs
          (i.e. /dev/watchdog) will be added building on this.

        * Service start rate limiting is now configurable and can be
          turned off per service. When a start rate limit is hit a
          reboot can automatically be triggered.

        * New CanReboot(), CanPowerOff() bus calls in systemd-logind.

        Contributions from: Benjamin Franzke, Bill Nottingham,
        Frederic Crozat, Lennart Poettering, Michael Olbrich, Michal
        Schmidt, Michał Górny, Piotr Drąg

CHANGES WITH 41:
        * The systemd binary is installed /usr/lib/systemd/systemd now;
          An existing /sbin/init symlink needs to be adapted with the
          package update.

        * The code that loads kernel modules has been ported to invoke
          libkmod directly, instead of modprobe. This means we do not
          support systems with module-init-tools anymore.

        * Watchdog support is now already useful, but still not
          complete.

        * A new kernel command line option systemd.setenv= is
          understood to set system wide environment variables
          dynamically at boot.

	* We now limit the set of capabilities of systemd-journald.

        * We now set SIGPIPE to ignore by default, since it only is
          useful in shell pipelines, and has little use in general
          code. This can be disabled with IgnoreSIPIPE=no in unit
          files.

        Contributions from: Benjamin Franzke, Kay Sievers, Lennart
        Poettering, Michael Olbrich, Michal Schmidt, Tom Gundersen,
        William Douglas

CHANGES WITH 40:
        * This is mostly a bugfix release

        * We now expose the reason why a service failed in the
          "Result" D-Bus property.

        * Rudimentary service watchdog support (will be completed over
          the next few releases.)

        * When systemd forks off in order execute some service we will
          now immediately changes its argv[0] to reflect which process
          it will execute. This is useful to minimize the time window
          with a generic argv[0], which makes bootcharts more useful

        Contributions from: Alvaro Soliverez, Chris Paulson-Ellis, Kay
        Sievers, Lennart Poettering, Michael Olbrich, Michal Schmidt,
        Mike Kazantsev, Ray Strode

CHANGES WITH 39:
        * This is mostly a test release, but incorporates many
          bugfixes.

        * New systemd-cgtop tool to show control groups by their
          resource usage.

        * Linking against libacl for ACLs is optional again. If
          disabled, support tracking device access for active logins
          goes becomes unavailable, and so does access to the user
          journals by the respective users.

        * If a group "adm" exists, journal files are automatically
          owned by them, thus allow members of this group full access
          to the system journal as well as all user journals.

        * The journal now stores the SELinux context of the logging
          client for all entries.

        * Add C++ inclusion guards to all public headers

        * New output mode "cat" in the journal to print only text
          messages, without any meta data like date or time.

        * Include tiny X server wrapper as a temporary stop-gap to
          teach XOrg udev display enumeration. This is used by display
          managers such as gdm, and will go away as soon as XOrg
          learned native udev hotplugging for display devices.

        * Add new systemd-cat tool for executing arbitrary programs
          with STDERR/STDOUT connected to the journal. Can also act as
          BSD logger replacement, and does so by default.

        * Optionally store all locally generated coredumps in the
          journal along with meta data.

        * systemd-tmpfiles learnt four new commands: n, L, c, b, for
          writing short strings to files (for usage for /sys), and for
          creating symlinks, character and block device nodes.

        * New unit file option ControlGroupPersistent= to make cgroups
          persistent, following the mechanisms outlined in
          http://www.freedesktop.org/wiki/Software/systemd/PaxControlGroups

        * Support multiple local RTCs in a sane way

        * No longer monopolize IO when replaying readahead data on
          rotating disks, since we might starve non-file-system IO to
          death, since fanotify() will not see accesses done by blkid,
          or fsck.

        * Don't show kernel threads in systemd-cgls anymore, unless
          requested with new -k switch.

        Contributions from: Dan Horák, Kay Sievers, Lennart
        Poettering, Michal Schmidt

CHANGES WITH 38:
        * This is mostly a test release, but incorporates many
          bugfixes.

        * The git repository moved to:
          git://anongit.freedesktop.org/systemd/systemd
          ssh://git.freedesktop.org/git/systemd/systemd

        * First release with the journal
          http://0pointer.de/blog/projects/the-journal.html

        * The journal replaces both systemd-kmsg-syslogd and
          systemd-stdout-bridge.

        * New sd_pid_get_unit() API call in libsystemd-logind

        * Many systemadm clean-ups

        * Introduce remote-fs-pre.target which is ordered before all
          remote mounts and may be used to start services before all
          remote mounts.

        * Added Mageia support

        * Add bash completion for systemd-loginctl

        * Actively monitor PID file creation for daemons which exit in
          the parent process before having finished writing the PID
          file in the daemon process. Daemons which do this need to be
          fixed (i.e. PID file creation must have finished before the
          parent exits), but we now react a bit more gracefully to them.

        * Add colourful boot output, mimicking the well-known output
          of existing distributions.

        * New option PassCredentials= for socket units, for
          compatibility with a recent kernel ABI breakage.

        * /etc/rc.local is now hooked in via a generator binary, and
          thus will no longer act as synchronization point during
          boot.

        * systemctl list-unit-files now supports --root=.

        * systemd-tmpfiles now understands two new commands: z, Z for
          relabelling files according to the SELinux database. This is
          useful to apply SELinux labels to specific files in /sys,
          among other things.

        * Output of SysV services is now forwarded to both the console
          and the journal by default, not only just the console.

        * New man pages for all APIs from libsystemd-login.

        * The build tree got reorganized and a the build system is a
          lot more modular allowing embedded setups to specifically
          select the components of systemd they are interested in.

        * Support for Linux systems lacking the kernel VT subsystem is
          restored.

        * configure's --with-rootdir= got renamed to
          --with-rootprefix= to follow the naming used by udev and
          kmod

        * Unless specified otherwise we'll now install to /usr instead
          of /usr/local by default.

        * Processes with '@' in argv[0][0] are now excluded from the
          final shut-down killing spree, following the logic explained
          in:
          http://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons

        * All processes remaining in a service cgroup when we enter
          the START or START_PRE states are now killed with
          SIGKILL. That means it is no longer possible to spawn
          background processes from ExecStart= lines (which was never
          supported anyway, and bad style).

        * New PropagateReloadTo=/PropagateReloadFrom= options to bind
          reloading of units together.

        Contributions from: Bill Nottingham, Daniel Walsh, Dave
        Reisner, Dexter Morgan, Gregs Gregs, Jonathan Nieder, Kay
        Sievers, Lennart Poettering, Michael Biebl, Michal Schmidt,
        Michał Górny, Ran Benita, Thomas Jarosch, Tim Waugh, Tollef
        Fog Heen, Tom Gundersen, Zbigniew Jędrzejewski-Szmek
Commit	Line	Data
d657c51f	1	systemd System and Service Manager
220a21d3	2
204fa33c LP	3	CHANGES WITH 42:
	4	* This is an important bugfix release for v41.
	5
	6	* Building man pages is now optional which should be useful
	7	for those building systemd from git but unwilling to install
	8	xsltproc.
	9
	10	* Watchdog support for supervising services is now usable. In
	11	a future release support for hardware watchdogs
	12	(i.e. /dev/watchdog) will be added building on this.
	13
	14	* Service start rate limiting is now configurable and can be
	15	turned off per service. When a start rate limit is hit a
	16	reboot can automatically be triggered.
	17
	18	* New CanReboot(), CanPowerOff() bus calls in systemd-logind.
	19
	20	Contributions from: Benjamin Franzke, Bill Nottingham,
	21	Frederic Crozat, Lennart Poettering, Michael Olbrich, Michal
	22	Schmidt, Michał Górny, Piotr Drąg
	23
e0d25329 KS	24	CHANGES WITH 41:
	25	* The systemd binary is installed /usr/lib/systemd/systemd now;
	26	An existing /sbin/init symlink needs to be adapted with the
	27	package update.
	28
b13df964 LP	29	* The code that loads kernel modules has been ported to invoke
	30	libkmod directly, instead of modprobe. This means we do not
	31	support systems with module-init-tools anymore.
	32
	33	* Watchdog support is now already useful, but still not
	34	complete.
	35
	36	* A new kernel command line option systemd.setenv= is
	37	understood to set system wide environment variables
	38	dynamically at boot.
	39
ccd07a08 LP	40	* We now limit the set of capabilities of systemd-journald.
ccd07a08 LP	41
353e12c2 LP	42	* We now set SIGPIPE to ignore by default, since it only is
	43	useful in shell pipelines, and has little use in general
	44	code. This can be disabled with IgnoreSIPIPE=no in unit
	45	files.
	46
b13df964 LP	47	Contributions from: Benjamin Franzke, Kay Sievers, Lennart
	48	Poettering, Michael Olbrich, Michal Schmidt, Tom Gundersen,
	49	William Douglas
	50
d26e4270 LP	51	CHANGES WITH 40:
	52	* This is mostly a bugfix release
	53
	54	* We now expose the reason why a service failed in the
	55	"Result" D-Bus property.
	56
	57	* Rudimentary service watchdog support (will be completed over
	58	the next few releases.)
	59
	60	* When systemd forks off in order execute some service we will
	61	now immediately changes its argv[0] to reflect which process
	62	it will execute. This is useful to minimize the time window
	63	with a generic argv[0], which makes bootcharts more useful
	64
b13df964 LP	65	Contributions from: Alvaro Soliverez, Chris Paulson-Ellis, Kay
	66	Sievers, Lennart Poettering, Michael Olbrich, Michal Schmidt,
	67	Mike Kazantsev, Ray Strode
	68
220a21d3 LP	69	CHANGES WITH 39:
	70	* This is mostly a test release, but incorporates many
	71	bugfixes.
	72
	73	* New systemd-cgtop tool to show control groups by their
	74	resource usage.
	75
	76	* Linking against libacl for ACLs is optional again. If
	77	disabled, support tracking device access for active logins
	78	goes becomes unavailable, and so does access to the user
	79	journals by the respective users.
	80
	81	* If a group "adm" exists, journal files are automatically
	82	owned by them, thus allow members of this group full access
	83	to the system journal as well as all user journals.
	84
	85	* The journal now stores the SELinux context of the logging
	86	client for all entries.
	87
	88	* Add C++ inclusion guards to all public headers
	89
	90	* New output mode "cat" in the journal to print only text
	91	messages, without any meta data like date or time.
	92
	93	* Include tiny X server wrapper as a temporary stop-gap to
	94	teach XOrg udev display enumeration. This is used by display
	95	managers such as gdm, and will go away as soon as XOrg
	96	learned native udev hotplugging for display devices.
	97
	98	* Add new systemd-cat tool for executing arbitrary programs
	99	with STDERR/STDOUT connected to the journal. Can also act as
	100	BSD logger replacement, and does so by default.
	101
	102	* Optionally store all locally generated coredumps in the
	103	journal along with meta data.
	104
	105	* systemd-tmpfiles learnt four new commands: n, L, c, b, for
	106	writing short strings to files (for usage for /sys), and for
	107	creating symlinks, character and block device nodes.
	108
	109	* New unit file option ControlGroupPersistent= to make cgroups
	110	persistent, following the mechanisms outlined in
	111	http://www.freedesktop.org/wiki/Software/systemd/PaxControlGroups
	112
	113	* Support multiple local RTCs in a sane way
	114
	115	* No longer monopolize IO when replaying readahead data on
	116	rotating disks, since we might starve non-file-system IO to
	117	death, since fanotify() will not see accesses done by blkid,
	118	or fsck.
	119
	120	* Don't show kernel threads in systemd-cgls anymore, unless
	121	requested with new -k switch.
	122
	123	Contributions from: Dan Horák, Kay Sievers, Lennart
	124	Poettering, Michal Schmidt
	125
	126	CHANGES WITH 38:
	127	* This is mostly a test release, but incorporates many
	128	bugfixes.
	129
	130	* The git repository moved to:
	131	git://anongit.freedesktop.org/systemd/systemd
	132	ssh://git.freedesktop.org/git/systemd/systemd
133
134	* First release with the journal
135	http://0pointer.de/blog/projects/the-journal.html
136
137	* The journal replaces both systemd-kmsg-syslogd and
138	systemd-stdout-bridge.
139
140	* New sd_pid_get_unit() API call in libsystemd-logind
141
142	* Many systemadm clean-ups
143
144	* Introduce remote-fs-pre.target which is ordered before all
145	remote mounts and may be used to start services before all
146	remote mounts.
147
148	* Added Mageia support
149
150	* Add bash completion for systemd-loginctl
151
152	* Actively monitor PID file creation for daemons which exit in
153	the parent process before having finished writing the PID
154	file in the daemon process. Daemons which do this need to be
155	fixed (i.e. PID file creation must have finished before the
156	parent exits), but we now react a bit more gracefully to them.
157
158	* Add colourful boot output, mimicking the well-known output
159	of existing distributions.
160
161	* New option PassCredentials= for socket units, for
162	compatibility with a recent kernel ABI breakage.
163
164	* /etc/rc.local is now hooked in via a generator binary, and
165	thus will no longer act as synchronization point during
166	boot.
167
168	* systemctl list-unit-files now supports --root=.
169
170	* systemd-tmpfiles now understands two new commands: z, Z for
171	relabelling files according to the SELinux database. This is
172	useful to apply SELinux labels to specific files in /sys,
173	among other things.
174
175	* Output of SysV services is now forwarded to both the console
176	and the journal by default, not only just the console.
177
178	* New man pages for all APIs from libsystemd-login.
179
180	* The build tree got reorganized and a the build system is a
181	lot more modular allowing embedded setups to specifically
182	select the components of systemd they are interested in.
183
184	* Support for Linux systems lacking the kernel VT subsystem is
185	restored.
186
187	* configure's --with-rootdir= got renamed to
188	--with-rootprefix= to follow the naming used by udev and
189	kmod
190
191	* Unless specified otherwise we'll now install to /usr instead
192	of /usr/local by default.
193
194	* Processes with '@' in argv[0][0] are now excluded from the
195	final shut-down killing spree, following the logic explained
196	in:
197	http://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons
198
199	* All processes remaining in a service cgroup when we enter
200	the START or START_PRE states are now killed with
201	SIGKILL. That means it is no longer possible to spawn
202	background processes from ExecStart= lines (which was never
203	supported anyway, and bad style).
204
205	* New PropagateReloadTo=/PropagateReloadFrom= options to bind
206	reloading of units together.
207
208	Contributions from: Bill Nottingham, Daniel Walsh, Dave
209	Reisner, Dexter Morgan, Gregs Gregs, Jonathan Nieder, Kay
210	Sievers, Lennart Poettering, Michael Biebl, Michal Schmidt,
211	Michał Górny, Ran Benita, Thomas Jarosch, Tim Waugh, Tollef
212	Fog Heen, Tom Gundersen, Zbigniew Jędrzejewski-Szmek