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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2018-06-12 14:06:13 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2018-06-12 14:06:13 +0200
commit5cadf58eb8ab699e1b19bb34eaeaaf2229e307eb (patch)
treeaebd0538d277b60ba5bca8ffb41410907f9e1dd5 /NEWS
parent74712c9ed9cb2a1a8143cf060233856516c98052 (diff)
downloadsystemd-5cadf58eb8ab699e1b19bb34eaeaaf2229e307eb.tar.gz
NEWS, CODE_QUALITY: wording fixes
No additions, just moving stuff around and wording cleanups.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS119
1 files changed, 61 insertions, 58 deletions
diff --git a/NEWS b/NEWS
index 36facf9b4f..733cb55ca0 100644
--- a/NEWS
+++ b/NEWS
@@ -4,9 +4,9 @@ CHANGES WITH 239 in spe:
* NETWORK INTERFACE DEVICE NAMING CHANGES: systemd-udevd's "net_id"
builtin may name network interfaces differently than in previous
- versions. SR-IOV virtual functions and NPAR partitions with PCI
- function numbers of 8 and above will be named more predictably,
- and udev may generate names based on PCI slot number in some cases
+ versions. SR-IOV virtual functions and NPAR partitions with PCI
+ function numbers of 8 and above will be named more predictably, and
+ udev may generate names based on the PCI slot number in some cases
where it previously did not.
* AF_INET and AF_INET6 are dropped from RestrictAddressFamilies= in
@@ -34,28 +34,30 @@ CHANGES WITH 239 in spe:
* systemd-tmpfiles will now print a notice whenever it encounters
tmpfiles.d/ lines referencing the /var/run/ directory. It will
recommend reworking them to use the /run/ directory instead (for
- which /var/run/ is simply a symlinked compatibility alias). This is
- recommended, so that systemd-tmpfiles can properly detect line
- conflicts and merge lines referencing the same files by both paths,
- without having to access them.
+ which /var/run/ is simply a symlinked compatibility alias). This way
+ systemd-tmpfiles can properly detect line conflicts and merge lines
+ referencing the same file by two paths, without having to access
+ them.
* systemctl disable/unmask/preset/preset-all cannot be used with
--runtime. Previously this was allowed, but resulted in unintuitive
behaviour that wasn't useful.
- * sd-boot acquire new loader configuration settings for optionally
- turning off Windows and MacOS boot partition discovery as well as
- reboot-into-firmware menu items. It also should be able to pick a
- better screen resolution for HiDPI systems, and now provides loader
+ * sd-boot acquired new loader configuration settings to optionally turn
+ off Windows and MacOS boot partition discovery as well as
+ reboot-into-firmware menu items. It is also able to pick a better
+ screen resolution for HiDPI systems, and now provides loader
configuration settings to change the resolution explicitly.
* The systemd-resolve tool has been renamed to resolvectl (it also
remains available under the old name, for compatibility), and its
interface is now verb-based, similar in style to the other <xyz>ctl
- tools, such as systemctl or loginctl. Also, the tool may now be
- linked to the "resolveconf" name, in which case it will take
- arguments and input compatible with the Debian and FreeBSD resolvconf
- tool.
+ tools, such as systemctl or loginctl.
+
+ * The resolvectl/systemd-resolve tool also provides 'resolveconf'
+ compatiblity. It may be symlinked under the 'resolveconf' name, in
+ which case it will take arguments and input compatible with the
+ Debian and FreeBSD resolvconf tool.
* Support for suspend-then-hibernate has been added, i.e. a sleep mode
where the system initially suspends, and after a time-out resumes and
@@ -73,14 +75,14 @@ CHANGES WITH 239 in spe:
will be compressed, smaller ones will not. Previously this threshold
was not configurable and set to 512.
- * A new system.conf NoNewPrivileges= is now available which may be used
- to turn off acquiring of new privileges system-wide (i.e. set Linux'
- PR_SET_NO_NEW_PRIVS for PID 1 itself, and thus also all its
- children). Note that turning this option on means setuid binaries and
- file system capabilities lose their special powers. While turning on
- this option is a big step towards a more secure system, doing so is
- likely to break numerous pre-existing UNIX tools, in particular su
- and sudo.
+ * A new system.conf setting NoNewPrivileges= is now available which may
+ be used to turn off acquisition of new privileges system-wide
+ (i.e. set Linux' PR_SET_NO_NEW_PRIVS for PID 1 itself, and thus also
+ for all its children). Note that turning this option on means setuid
+ binaries and file system capabilities lose their special powers.
+ While turning on this option is a big step towards a more secure
+ system, doing so is likely to break numerous pre-existing UNIX tools,
+ in particular su and sudo.
* A new service systemd-time-sync-wait.service has been added. If
enabled it will delay the time-sync.target unit at boot until time
@@ -93,32 +95,38 @@ CHANGES WITH 239 in spe:
write offset, on kernels new enough to support this. This means swap
files should work for hibernation now.
- * When loading unit files, systemd will now look for drop-in unit file
- extension at additional places. Previously, for a unit file name
+ * When loading unit files, systemd will now look for drop-in unit files
+ extensions in additional places. Previously, for a unit file name
"foo-bar-baz.service" it would look for dropin files in
"foo-bar-baz.service.d/*.conf". Now, it will also look in
"foo-bar-.service.d/*.conf" and "foo-.service.d/", i.e. at the
service name truncated after all inner dashes. This scheme allows
writing drop-ins easily that apply to a whole set of unit files at
once. It's particularly useful for mount and slice units (as their
- naming is prefix based anyway), but is also useful for service and
- other units, for packages that install multiple unit files at once,
+ naming is prefix based), but is also useful for service and other
+ units, for packages that install multiple unit files at once,
following a strict naming regime of beginning the unit file name with
- the package's name. Two new specifiers are now supported while
- parsing unit files, to match this: %j and %J are replaced by the part
- of the unit name following the last dash.
+ the package's name. Two new specifiers are now supported in unit
+ files to match this: %j and %J are replaced by the part of the unit
+ name following the last dash.
+
+ * Unit files and other configuration files that support specifier
+ expansion now understand another two new specifiers: %T and %V will
+ resolve to /tmp and /var/tmp respectively, or whatever temporary
+ directory has been set for the calling user.
* The ExecStart= lines of unit files are no longer required to
reference absolute paths. If non-absolute paths are specified the
specified binary name is searched within the service manager's
- built-in $PATH. It's generally recommended to continue to use
- absolute paths for all binaries specified in unit files.
+ built-in $PATH, which may be queried with 'systemd-path
+ search-binaries-default'. It's generally recommended to continue to
+ use absolute paths for all binaries specified in unit files.
* coredumpctl's "gdb" verb has been renamed to "debug", in order to
support alternative debuggers, for example lldb. The old name
continues to be available however, for compatibility reasons. Use the
- new --debugger= switch and $SYSTEMD_DEBUGGER environment variable to
- pick an alternative debugger instead of the default of gdb.
+ new --debugger= switch or the $SYSTEMD_DEBUGGER environment variable
+ to pick an alternative debugger instead of the default gdb.
* systemctl and the other tools will now output escape sequences that
generate proper clickable hyperlinks in various terminal emulators
@@ -129,10 +137,9 @@ CHANGES WITH 239 in spe:
"less" pager doesn't support this yet, hence this functionality is
currently automatically turned off when a pager is started (which
happens quite often due to auto-paging). We hope to remove this
- limitation as soon as "less" learns these escape sequences too. This
- new behaviour may also be turned off explicitly with the
- $SYSTEMD_URLIFY environment variable. For details on these escape
- sequences see:
+ limitation as soon as "less" learns these escape sequences. This new
+ behaviour may also be turned off explicitly with the $SYSTEMD_URLIFY
+ environment variable. For details on these escape sequences see:
https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda
* networkd's .network files now support a new IPv6MTUBytes= option for
@@ -148,25 +155,26 @@ CHANGES WITH 239 in spe:
* networkd will now automatically make use of the kernel's route
expiration feature, if it is available.
- * udevd's .link files now support setting the number of Rx/Tx channels,
- using the RxChannels=, TxChannels=, OtherChannels=,
- CombinedChannels=. Support for UDPSegmentationOffload= has been
- removed, given its limited support in hardware, and waning software
- support.
+ * udevd's .link files now support setting the number of receive and
+ transmit channels, using the RxChannels=, TxChannels=,
+ OtherChannels=, CombinedChannels= settings.
+
+ * Support for UDPSegmentationOffload= has been removed, given its
+ limited support in hardware, and waning software support.
* networkd's .netdev files now support creating "netdevsim" interfaces.
* PID 1 learnt a new bus call GetUnitByControlGroup() which may be used
to query the unit belonging to a specific kernel control group.
- * systemd-analyze learnt a new verb "cat-config", which may be used to
+ * systemd-analyze gained a new verb "cat-config", which may be used to
dump the contents of any configuration file, with all its matching
drop-in files added in, and honouring the usual search and masking
logic applied to systemd configuration files. For example use
"systemd-analyze cat-config systemd/system.conf" to get the complete
system configuration file of systemd how it would be loaded by PID 1
- itself. Similar to this various tools, such as systemd-tmpfiles or
- systemd-sysusers learnt new option "--cat-config", which do
+ itself. Similar to this, various tools such as systemd-tmpfiles or
+ systemd-sysusers, gained a new option "--cat-config", which does the
corresponding operation for their own configuration settings. For
example, "systemd-tmpfiles --cat-config" will now output the full
list of tmpfiles.d/ lines in place.
@@ -180,23 +188,23 @@ CHANGES WITH 239 in spe:
* systemd-nspawn gained a new --rlimit= switch for setting initial
resource limits for the container payload. There's a new switch
- --hostname= for explicitly overriding the container's hostname. A new
+ --hostname= to explicitly override the container's hostname. A new
--no-new-privileges= switch may be used to control the
PR_SET_NO_NEW_PRIVS flag for the container payload. A new
--oom-score-adjust= switch controls the OOM scoring adjustment value
for the payload. The new --cpu-affinity= switch controls the CPU
affinity of the container payload. The new --resolv-conf= switch
allows more detailed control of /etc/resolv.conf handling of the
- container. Similar, the new --timezone= switch allows more detailed
+ container. Similarly, the new --timezone= switch allows more detailed
control of /etc/localtime handling of the container.
- * systemd-detect-virt learnt a new --list switch, which will print a
+ * systemd-detect-virt gained a new --list switch, which will print a
list of all currently known VM and container environments.
- * Support for the new "Portable Services" concept has been added, see
+ * Support for "Portable Services" has been added, see
doc/PORTABLE_SERVICES.md for details. Currently, the support is still
- experimental, but this is expected to change soon. Reflecting the
- experimental state the "portablectl" binary is not installed into
+ experimental, but this is expected to change soon. Reflecting this
+ experimental state, the "portablectl" binary is not installed into
/usr/bin yet. The binary has to be called with the full path
/usr/lib/systemd/portablectl instead.
@@ -211,11 +219,6 @@ CHANGES WITH 239 in spe:
* A new --dump-bus-properties switch has been added to the systemd
binary, which may be used to dump all supported D-Bus properties.
- * Unit files and other configuration files that support specifier
- expansion now understand two new specifiers: %T and %V will resolve
- to /tmp and /var/tmp respectively, or whatever temporary directory
- has been set for the calling user.
-
* sd-bus gained a set of new calls:
sd_bus_slot_set_floating()/sd_bus_slot_get_floating() may be used to
enable/disable the "floating" state of a bus slot object,
@@ -237,7 +240,7 @@ CHANGES WITH 239 in spe:
* The "net.ipv4.tcp_ecn" sysctl will now be turned on by default.
* PID 1 will now automatically reschedule .timer units whenever the
- local timezone changes. (They previously got rescheduled already
+ local timezone changes. (They previously got rescheduled
automatically when the system clock changed.)
* New documentation has been added to document cgroups delegation,