X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-nspawn.xml;h=950558feec085c53193ab3c2f933a09fa9af51c9;hb=6fc27667950fe153033f0f49cb5b57e8954c3e54;hp=6518eb819e413979e2db86117e8606f61eb56c82;hpb=6afc95b73605833e6e966af1c466b5c08feb953f;p=elogind.git diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index 6518eb819..950558fee 100644 --- a/man/systemd-nspawn.xml +++ b/man/systemd-nspawn.xml @@ -21,7 +21,8 @@ along with systemd; If not, see . --> - + systemd-nspawn @@ -135,8 +136,9 @@ As a safety check systemd-nspawn will verify the - existence of /etc/os-release in - the container tree before starting the container (see + existence of /usr/lib/os-release + or /etc/os-release in the + container tree before starting the container (see os-release5). It might be necessary to add this file to the container tree manually if the OS of the container is too old to @@ -158,41 +160,44 @@ The following options are understood: - - - - - Prints a short help - text and exits. - - - - - - Prints a version string - and exits. - - - - - - - Turns off any status - output by the tool itself. When this - switch is used, the only output - from nspawn will be the console output - of the container OS itself. - - Directory to use as - file system root for the namespace - container. If omitted, the current - directory will be - used. + file system root for the container. If + neither + nor are + specified, the current directory will + be used. May not be specified together with + . + + + + + + + Disk image to mount + the root directory for the container + from. Takes a path to a regular file + or to a block device node. The file or + block device must contain a GUID + Partition Table with a root partition + which is mounted as the root directory + of the container. Optionally, it may + contain a home and/or a server data + partition which are mounted to the + appropriate places in the + container. All these partitions must + be identified by the partition types + defined by the Discoverable + Partitions Specification. Any + other partitions, such as foreign + partitions, swap partitions or EFI + system partitions are not mounted. May + not be specified together with + . @@ -215,13 +220,15 @@ - 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. - + After transitioning + into the container, change to the + specified user-defined in the + container's user database. Like all + other systemd-nspawn features, this is + not a security feature and provides + protection against accidental + destructive operations + only. @@ -285,7 +292,7 @@ Assign the specified network interface to the - container. This will move the + container. This will remove the specified interface from the calling namespace and place it in the container. When the container @@ -299,18 +306,42 @@ container. + + + + Create a + macvlan interface + of the specified Ethernet network + interface and add it to the + container. A + macvlan interface + is a virtual interface that adds a + second MAC address to an existing + physical Ethernet link. The interface + in the container will be named after + the interface on the host, prefixed + with mv-. Note that + + implies + . This + option may be used more than once to + add multiple network interfaces to the + container. + + Create a virtual - Ethernet link between host and - container. The host side of the + Ethernet link + (veth) between host + and container. The host side of the Ethernet link will be available as a network interface named after the container's name (as specified with ), prefixed with ve-. The - container side of the the Ethernet + container side of the Ethernet link will be named host0. Note that @@ -321,13 +352,17 @@ - Adds the host side of the - Ethernet link created with - - to the specified bridge. Note that - + Adds the host side of + the Ethernet link created with + to the + specified bridge. Note that + implies - . + . If + this option is used, the host side of + the Ethernet link will use the + vb- prefix instead + of ve-. @@ -466,7 +501,31 @@ destination in the container. The option creates read-only bind - mount. + mounts. + + + + + + Mount a tmpfs file + system into the container. Takes a + single absolute path argument that + specifies where to mount the tmpfs + instance to (in which case the + directory access mode will be chosen + as 0755, owned by root/root), or + optionally a colon-separated pair of + path and mount option string, that is + used for mounting (in which case the + kernel default for access mode and + owner will be chosen, unless otherwise + specified). This option is + particularly useful for mounting + directories such as + /var as tmpfs, to + allow state-less systems, in + particular when combined with + . @@ -566,13 +625,27 @@ x86 and x86-64 are supported. This is useful when running - a 32bit container on a 64bit - host. If this setting is not used + a 32-bit container on a 64-bit + host. If this setting is not used, the personality reported in the container is the same as the one reported on the host. + + + + + + Turns off any status + output by the tool itself. When this + switch is used, the only output + from nspawn will be the console output + of the container OS itself. + + + +