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diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index 667e75c2c..9f8b8e2ae 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -8,16 +8,16 @@
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see .
-->
@@ -61,7 +61,7 @@
container. In many ways it is similar to
chroot1,
but more powerful since it fully virtualizes the file
- system hierachy, as well as the process tree, the
+ system hierarchy, as well as the process tree, the
various IPC subsystems and the host and domain
name.
@@ -69,11 +69,12 @@
to various kernel interfaces in the container to
read-only, such as /sys,
/proc/sys or
- /selinux. Network interfaces and
- the system clock may not be changed from within the
- container. Device nodes may not be created. The host
- system cannot be rebooted and kernel modules may not
- be loaded from within the container.
+ /sys/fs/selinux. Network
+ interfaces and the system clock may not be changed
+ from within the container. Device nodes may not be
+ created. The host system cannot be rebooted and kernel
+ modules may not be loaded from within the
+ container.
Note that even though these security precautions
are taken systemd-nspawn is not
@@ -92,9 +93,12 @@
container.Use a tool like
- debootstrap8 or mock1
+ yum8
+ or
+ debootstrap8
to set up an OS directory tree suitable as file system
- hierarchy for systemd-nspawn containers.
+ hierarchy for systemd-nspawn
+ containers.
Note that systemd-nspawn will
mount file systems private to the container to
@@ -106,10 +110,15 @@
Note that running two
systemd-nspawn containers from the
same directory tree will not make processes in them
- see each other. The PID namespace seperation of the
+ see each other. The PID namespace separation of the
two containers is complete and the containers will
share very few runtime objects except for the
underlying file system.
+
+ systemd-nspawn implements the
+ Container
+ Interface specification.
@@ -123,6 +132,7 @@
+ Prints a short help
text and exits.
@@ -130,7 +140,7 @@
-
+ Directory to use as
file system root for the namespace
@@ -139,6 +149,140 @@
used.
+
+
+
+
+ Automatically search
+ for an init binary and invoke it
+ instead of a shell or a user supplied
+ program.
+
+
+
+
+
+
+ Run the command
+ under specified user, create home
+ directory and cd into it. As rest
+ of systemd-nspawn, this is not
+ the security feature and limits
+ against accidental changes only.
+
+
+
+
+
+
+ Set the specified uuid
+ for the container. The init system
+ will initialize
+ /etc/machine-id
+ from this if this file is not set yet.
+
+
+
+
+
+
+
+ Makes the container appear in
+ other hierarchies that the name=systemd:/ one.
+ Takes a comma-separated list of controllers.
+
+
+
+
+
+
+ Turn off networking in
+ the container. This makes all network
+ interfaces unavailable in the
+ container, with the exception of the
+ loopback device.
+
+
+
+
+
+ Mount the root file
+ system read only for the
+ container.
+
+
+
+
+
+ List one or more
+ additional capabilities to grant the
+ container. Takes a comma separated
+ list of capability names, see
+ capabilities7
+ for more information. Note that the
+ the following capabilities will be
+ granted in any way: CAP_CHOWN,
+ CAP_DAC_OVERRIDE, CAP_DAC_READ_SEARCH,
+ CAP_FOWNER, CAP_FSETID, CAP_IPC_OWNER,
+ CAP_KILL, CAP_LEASE,
+ CAP_LINUX_IMMUTABLE,
+ CAP_NET_BIND_SERVICE,
+ CAP_NET_BROADCAST, CAP_NET_RAW,
+ CAP_SETGID, CAP_SETFCAP, CAP_SETPCAP,
+ CAP_SETUID, CAP_SYS_ADMIN,
+ CAP_SYS_CHROOT, CAP_SYS_NICE,
+ CAP_SYS_PTRACE, CAP_SYS_TTY_CONFIG,
+ CAP_SYS_RESOURCE.
+
+
+
+
+
+ Control whether the
+ container's journal shall be made
+ visible to the host system. If enabled
+ allows viewing the container's journal
+ files from the host (but not vice
+ versa). Takes one of
+ no,
+ host,
+ guest,
+ auto. If
+ no the journal is
+ not linked. If host
+ the journal files are stored on the
+ host file system (beneath the host's
+ /var/log/journal)
+ and a per-machine subdirectory of this
+ directory is created and bind mounted
+ into the container at the same
+ location. If guest
+ the journal files are stored on the
+ guest file system (beneath the guest's
+ /var/log/journal)
+ and a per-machine subdirectory of this
+ directory is symlinked into the host
+ at the same location. If
+ auto (the default)
+ and the subdirectory of
+ /var/log/journal
+ exists as directory it is bind mounted
+ into the container, but nothing is
+ done otherwise. Effectively, booting a
+ container once with
+ guest or
+ host will link the
+ journal persistantly if further one
+ the default of auto
+ is used.
+
+
+
+
+
+ Equivalent to
+ .
+
@@ -146,27 +290,25 @@
Example 1
- # debootstrap --arch=amd64 unstable debian-tree/
-# systemd-nspawn -D debian-tree/
-
- This installs a minimal Debian unstable
- distribution into the directory
- debian-tree/ and then spawns a
- shell in a namespace container in it.
+ # yum --releasever=17 --nogpgcheck --installroot ~/fedora-tree/ install yum passwd vim-minimal rootfiles systemd
+# systemd-nspawn -D ~/fedora-tree /usr/lib/systemd/systemd
+ This installs a minimal Fedora distribution into
+ the directory ~/fedora-tree/
+ and then boots an OS in a namespace container in it,
+ with systemd as init system.Example 2
- # mock --init
-# systemd-nspawn -D /var/lib/mock/fedora-rawhide-x86_64/root/ /bin/systemd systemd.log_level=debug
+ # debootstrap --arch=amd64 unstable ~/debian-tree/
+# systemd-nspawn -D ~/debian-tree/
- This installs a minimal Fedora distribution into
- a subdirectory of /var/lib/mock/
- and then boots an OS in a namespace container in it,
- with systemd as init system, configured for debug
- logging.
+ This installs a minimal Debian unstable
+ distribution into the directory
+ ~/debian-tree/ and then spawns a
+ shell in a namespace container in it.
@@ -182,8 +324,8 @@
systemd1,
chroot1,
+ yum8,
debootstrap8
- mock1