X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-nspawn.xml;h=777e0a3a77ba0ead624e29111ade46477892c9da;hb=aa7cb2098302d45c8768ca08bf1e433a19aa46b9;hp=f63f72c18d80b70cbf7f6b0caed00344051fea1c;hpb=40c32a4ad488256e934ce9ecc05ebfac04851711;p=elogind.git diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index f63f72c18..777e0a3a7 100644 --- a/man/systemd-nspawn.xml +++ b/man/systemd-nspawn.xml @@ -93,9 +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 @@ -111,6 +114,11 @@ 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. @@ -130,6 +138,13 @@ text and exits. + + + + Prints a version string + and exits. + + @@ -141,6 +156,16 @@ used. + + + + + Automatically search + for an init binary and invoke it + instead of a shell or a user supplied + program. + + @@ -154,12 +179,23 @@ + + + + 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. + other hierarchies than the name=systemd:/ one. Takes a comma-separated list of controllers. @@ -174,6 +210,87 @@ 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 + 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, CAP_SYS_BOOT, + CAP_AUDIT_WRITE, + CAP_AUDIT_CONTROL. + + + + + + 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 + /var/log/journal/<machine-id>) + and the subdirectory is bind-mounted + into the container at the same + location. If guest, + the journal files are stored on the + guest file system (beneath + /var/log/journal/<machine-id>) + and the subdirectory is symlinked into the host + at the same location. If + auto (the default), + and the right subdirectory of + /var/log/journal + exists, it will be bind mounted + into the container. If the + subdirectory doesn't exist, no + linking is performed. Effectively, + booting a container once with + guest or + host will link the + journal persistently if further on + the default of auto + is used. + + + + + + Equivalent to + . + @@ -181,27 +298,25 @@ 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 -y --releasever=19 --nogpg --installroot=/srv/mycontainer --disablerepo='*' --enablerepo=fedora install systemd passwd yum fedora-release vim-minimal +# systemd-nspawn -bD /srv/mycontainer + This installs a minimal Fedora distribution into + the directory /srv/mycontainer/ and + then boots an OS in a namespace container in + it. Example 2 - # mock --init -# systemd-nspawn -D /var/lib/mock/fedora-rawhide-x86_64/root/ /sbin/init 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. @@ -217,8 +332,8 @@ systemd1, chroot1, - debootstrap8, - mock1 + yum8, + debootstrap8