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Let per-user service managers have user namespaces too.
For unprivileged users, user namespaces are set up much earlier
(before the mount, network, and UTS namespaces vs after) in
order to obtain capbilities in the new user namespace and enable use of
the other listed namespaces. However for privileged users (root), the
set up for the user namspace is still done at the end to avoid any
restrictions with combining namespaces inside a user namespace (see
inline comments).
Closes#10576
When wrong element types are used, directives are sometimes placed in the wrong
section. Also, strip part of text starting with "'", which is used in a few
places and which is displayed improperly in the index.
This partially reverts db11487d10 (the logic to
calculate the correct value is removed, we always use the same setting as for
the system manager). Distributions have an easy mechanism to override this if
they wish.
I think making this configurable is better, because different distros clearly
want different defaults here, and making this configurable is nice and clean.
If we don't make it configurable, distros which either have to carry patches,
or what would be worse, rely on some other configuration mechanism, like
/etc/profile. Those other solutions do not apply everywhere (they usually
require the shell to be used at some point), so it is better if we provide
a nice way to override the default.
Fixes #13469.
exec-condition and oom-kill were added without updating this table
Updated success to reflect the code, which also allows kills by signal in certain situations
Traditionally, user logins had a $PATH in which /bin was before /sbin, while
root logins had a $PATH with /sbin first. This allows the tricks that
consolehelper is doing to work. But even if we ignore consolehelper, having the
path in this order might have been used by admins for other purposes, and
keeping the order in user sessions will make it easier the adoption of systemd
user sessions a bit easier.
Fixes#733.
https://bugzilla.redhat.com/show_bug.cgi?id=1744059
OOM handling in manager_default_environment wasn't really correct.
Now the (theorertical) malloc failure in strv_new() is handled.
Please note that this has no effect on:
- systems with merged /bin-/sbin (e.g. arch)
- when there are no binaries that differ between the two locations.
E.g. on my F30 laptop there is exactly one program that is affected:
/usr/bin/setup -> consolehelper.
There is less and less stuff that relies on consolehelper, but there's still
some.
So for "clean" systems this makes no difference, but helps with legacy setups.
$ dnf repoquery --releasever=31 --qf %{name} --whatrequires usermode
anaconda-live
audit-viewer
beesu
chkrootkit
driftnet
drobo-utils-gui
hddtemp
mate-system-log
mock
pure-ftpd
setuptool
subscription-manager
system-config-httpd
system-config-rootpassword
system-switch-java
system-switch-mail
usermode-gtk
vpnc-consoleuser
wifi-radar
xawtv
Make possible to set NUMA allocation policy for manager. Manager's
policy is by default inherited to all forked off processes. However, it
is possible to override the policy on per-service basis. Currently we
support, these policies: default, prefer, bind, interleave, local.
See man 2 set_mempolicy for details on each policy.
Overall NUMA policy actually consists of two parts. Policy itself and
bitmask representing NUMA nodes where is policy effective. Node mask can
be specified using related option, NUMAMask. Default mask can be
overwritten on per-service level.
These options are pretty much equivalent to "journal" and
"journal+console" anyway, let's simplify things, and drop them from the
documentation hence.
For compat reasons let's keep them in the code.
(Note that they are not 100% identical to 'journal', but I doubt the
distinction in behaviour is really relevant to keep this in the docs.
And we should probably should drop 'syslog' entirely from our codebase
eventually, but it's problematic as long as we semi-support udev on
non-systemd systems still.)
This makes the handling of this option match what we do in unit files. I think
consistency is important here. (As it happens, it is the only option in
system.conf that is "non-atomic", i.e. where there's a list of things which can
be split over multiple assignments. All other options are single-valued, so
there's no issue of how to handle multiple assignments.)
https://github.com/systemd/systemd/issues/7153#issuecomment-485252308
Apparently this is still confusing for people.
Longer-term, I think we should just make BindMount= automatically "upgrade"
(or "downgrade", depending on how you look at this), any InaccessiblePath=
mountpoints to "tmpfs". I don't see much point in forcing users to remember
this interaction. But let's at least document the status quo, we can always
update the docs if the code changes.
Let's be safe, rather than sorry. This way DynamicUser=yes services can
neither take benefit of, nor create SUID/SGID binaries.
Given that DynamicUser= is a recent addition only we should be able to
get away with turning this on, even though this is strictly speaking a
binary compatibility breakage.
Let's avoid confusion whether the root is at the top or of the bottom of
the directory tree. Moreover we use "innermost" further down for the
same concept, so let's stick to the same terminology here.
The "include" files had type "book" for some raeason. I don't think this
is meaningful. Let's just use the same everywhere.
$ perl -i -0pe 's^..DOCTYPE (book|refentry) PUBLIC "-//OASIS//DTD DocBook XML V4.[25]//EN"\s+"http^<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"\n "http^gms' man/*.xml
No need to waste space, and uniformity is good.
$ perl -i -0pe 's|\n+<!--\s*SPDX-License-Identifier: LGPL-2.1..\s*-->|\n<!-- SPDX-License-Identifier: LGPL-2.1+ -->|gms' man/*.xml
Let services use a private UTS namespace. In addition, a seccomp filter is
installed on set{host,domain}name and a ro bind mounts on
/proc/sys/kernel/{host,domain}name.
