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Chris Down 80cc3e3eab virt: Detect proot virtualisation by ptrace metadata 
proot provides userspace-powered emulation of chroot and mount --bind,
lending it to be used on environments without unprivileged user
namespaces, or in otherwise restricted environments like Android.

In order to achieve this, proot makes use of the kernel's ptrace()
facility, which we can use in order to detect its presence. Since it
doesn't use any kind of namespacing, including PID namespacing, we don't
need to do any tricks when trying to get the tracer's metadata.

For our purposes, proot is listed as a "container", since we mostly use
this also as the bucket for non-container-but-container-like
technologies like WSL. As such, it seems like a good fit for this
section as well.
2020-04-15 18:36:35 +01:00
.github github: remove direct paypal link 2020-02-05 21:29:34 +09:00
.lgtm/cpp-queries lgtm: complain about accept() [people should use accept4() instead, due to O_CLOEXEC] 2019-04-10 20:03:38 +02:00
.mkosi tree-wide: drop printk.devkmsg=on setting in various places 2020-03-03 15:02:53 +01:00
catalog catalog: add entry for SD_MESSAGE_UNSAFE_USER_NAME 2020-04-08 17:30:04 +02:00
coccinelle tree-wide: use empty-to-root a bit more 2019-07-16 12:40:22 +02:00
docs docs: introduce documentation category for user/group stuff 2020-04-11 18:03:24 +02:00
factory/etc home: add pam_systemd_home.so PAM hookup 2020-01-28 22:36:41 +01:00
hwdb.d hwdb: Add accel orientation quirk for Geoflex laptop 2020-04-12 17:16:55 +02:00
man virt: Detect proot virtualisation by ptrace metadata 2020-04-15 18:36:35 +01:00
modprobe.d Add SPDX license headers to various assorted files 2017-11-19 19:08:15 +01:00
network Remove stray file 2020-04-06 20:45:41 +02:00
po po: update Ukrainian translation (#15228) 2020-03-26 18:45:41 +01:00
presets preset: let's clean up preset list a bit 2020-04-07 19:01:00 +02:00
rules.d rules.d: import the keyboard builtin instead of running it 2020-03-01 14:04:30 +01:00
semaphoreci semaphore: switch to upstream-ci 2020-04-04 19:36:53 +03:00
shell-completion Add shell to machinectl ZSH completion 2020-03-27 18:15:15 +01:00
src virt: Detect proot virtualisation by ptrace metadata 2020-04-15 18:36:35 +01:00
sysctl.d sysctl: enable coredump for suid binaries 2020-04-07 15:28:46 +02:00
sysusers.d sysusers,tmpfiles: re-create systemd-network, systemd-resolve and systemd-timesync 2018-07-16 17:11:50 +02:00
test Merge pull request #15281 from keszybz/functional-test-rework 2020-04-12 19:31:53 +02:00
tmpfiles.d tmpfiles: apply ACLs to top-level journal directory in /run, too 2020-01-31 15:04:12 +01:00
tools meson: Exclude more deprecated functions from check-api-docs 2020-04-11 21:08:34 +02:00
travis-ci ci: turn off FuzzBuzz 2020-03-30 14:57:22 +02:00
units units: make sure systemd-pstore stops at shutdown 2020-04-08 16:29:58 +02:00
xorg scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.gitattributes git: indicate that tabs are never OK in the systemd tree 2013-10-30 02:25:38 +01:00
.gitignore gitignore: add nspawn image lock and mkosi temporary files 2018-09-07 20:00:22 +02:00
.lgtm.yml lgtm: drop the TMPDIR/meson workaround 2020-03-03 20:27:42 +01:00
.mailmap NEWS: update contributors list 2020-03-03 08:31:06 +01:00
.travis.yml travis: add missing closing quote sign 2019-11-24 13:15:20 +03:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
azure-pipelines.yml Free up some resources on Azure Pipelines 2019-07-17 13:28:38 +09:00
configure treewide: more portable bash shebangs 2020-03-05 17:27:07 +01:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile build-sys: Fix Makefile wrapper for install target (#6548) 2017-08-07 11:29:20 +02:00
meson_options.txt meson,resolved: make default LLMNR= and MulticastDNS= values configurable 2020-04-15 14:37:21 +02:00
meson.build meson,resolved: make default LLMNR= and MulticastDNS= values configurable 2020-04-15 14:37:21 +02:00
mkosi.build mkosi: let's update the boot loader also in /efi 2019-03-01 12:41:32 +01:00
mkosi.default mkosi: create .mkosi directory 2016-10-06 11:53:58 -04:00
NEWS sysctl: enable coredump for suid binaries 2020-04-07 15:28:46 +02:00
README Revert "Drop dbus activation stub service" 2019-12-20 17:28:12 +01:00
README.md oss-fuzz: point the badge directly to our logs 2020-04-04 19:41:33 +02:00
TODO update TODO 2020-04-13 14:31:46 +02:00
zanata.xml po: add basic fedora.zanata.org configuration 2018-02-19 13:56:57 +01:00

README.md

Systemd

System and Service Manager

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Details

General information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.