X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-nspawn.xml;h=a926a7e5d3d18545890f68856b524c846c7b2639;hb=b43f208f78666fd27e274daa946ae57becd59dd6;hp=8b37519ad5510c1e87aa659cb621c32e4a59e2d0;hpb=a41fe3a29372f8e6c4e7733bf85940a023811301;p=elogind.git diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index 8b37519ad..a926a7e5d 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 . --> @@ -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 @@ -131,7 +135,7 @@ - + Directory to use as file system root for the namespace @@ -140,9 +144,19 @@ 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 @@ -154,7 +168,28 @@ - + + + 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 @@ -163,6 +198,14 @@ loopback device. + + + + Mount the root file + system read only for the + container. + + @@ -170,27 +213,25 @@ 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. @@ -206,8 +247,8 @@ systemd1, chroot1, + yum8, debootstrap8 - mock1