X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-nspawn.xml;h=ca99da4909cac88b654779a86d0508945ec53f64;hb=8a96d94e4c33173d1426b7e0a6325405804ba224;hp=c2be6d5446babde16ca2ddb4dbc169d65cd5ff2e;hpb=04d39279245834494baccfdb9349db8bf80abd13;p=elogind.git diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index c2be6d544..ca99da490 100644 --- a/man/systemd-nspawn.xml +++ b/man/systemd-nspawn.xml @@ -248,6 +248,27 @@ + + + + + Sets the SELinux + security context to be used to label + processes in the container. + + + + + + + + Sets the SELinux security + context to be used to label files in + the virtual API file systems in the + container. + + + @@ -303,6 +324,16 @@ CAP_AUDIT_CONTROL. + + + + Specify one or more + additional capabilities to drop for + the container. This allows running the + container with fewer capabilities than + the default (see above). + + @@ -370,6 +401,54 @@ creates read-only bind mount. + + + + + Specifies an + environment variable assignment to + pass to the init process in the + container, in the format + NAME=VALUE. This + may be used to override the default + variables or to set additional + variables. This parameter may be used + more than once. + + + + + + + Turns off any status + output by the tool itself. When this + switch is used, then the only output + by nspawn will be the console output + of the container OS + itself. + + + + + + Allows the container + to share certain system facilities + with the host. More specifically, this + turns off PID namespacing, UTS + namespacing and IPC namespacing, and + thus allows the guest to see and + interact more easily with processes + outside of the container. Note that + using this option makes it impossible + to start up a full Operating System in the + container, as an init system cannot + operate in this mode. It is only + useful to run specific programs or + applications this way, without + involving an init + system in the container. + + @@ -409,6 +488,37 @@ boots an OS in a namespace container in it. + + Example 4 + + # mv ~/arch-tree /var/lib/container/arch +# systemctl enable systemd-nspawn@arch.service +# systemctl start systemd-nspawn@arch.service + + This makes the Arch Linux container part of the + multi-user.target on the host. + + + + + Example 5 + + # btrfs subvolume snapshot / /.tmp +# systemd-nspawn --private-network -D /.tmp -b + + This runs a copy of the host system in a + btrfs snapshot. + + + + Example 6 + + # chcon system_u:object_r:svirt_sandbox_file_t:s0:c0,c1 -R /srv/container +# systemd-nspawn -L system_u:object_r:svirt_sandbox_file_t:s0:c0,c1 -Z system_u:system_r:svirt_lxc_net_t:s0:c0,c1 -D /srv/container /bin/sh + + This runs a container with SELinux sandbox security contexts. + + Exit status