X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-nspawn.xml;h=d5f8465506b914ef495513a6cbb143886c6c281f;hp=70ebf94e0ff4ff5fc65c45921a57a9d2d63f579b;hb=8ab49c12dcab02d9d83e63a93676d4fc8f709516;hpb=8f7a3c1402a8de36b2c63935358a53510d2fe7c1 diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml index 70ebf94e0..d5f846550 100644 --- a/man/systemd-nspawn.xml +++ b/man/systemd-nspawn.xml @@ -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 @@ -99,14 +100,14 @@ Note that systemd-nspawn will mount file systems private to the container to /dev, - /dev/.run and similar. These will + /run and similar. These will not be visible outside of the container, and their contents will be lost when the container exits. 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. @@ -123,6 +124,7 @@ + Prints a short help text and exits. @@ -130,7 +132,7 @@ - + Directory to use as file system root for the namespace @@ -139,6 +141,29 @@ used. + + + + + 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. + + + + + + + Turn off networking in + the container. This makes all network + interfaces unavailable in the + container, with the exception of the + loopback device. + + @@ -182,7 +207,7 @@ systemd1, chroot1, - debootstrap8 + debootstrap8, mock1