if (r < 0)
return log_oom();
- printf("%s [OPTIONS...] [PATH] [ARGUMENTS...]\n\n"
+ printf("%1$s [OPTIONS...] [PATH] [ARGUMENTS...]\n\n"
"Spawn a command or OS in a light-weight container.\n\n"
" -h --help Show this help\n"
" --version Print version string\n"
" -q --quiet Do not show status information\n"
+ " --settings=BOOLEAN Load additional settings from .nspawn file\n\n"
+ "%3$sImage:%4$s\n"
" -D --directory=PATH Root directory for the container\n"
" --template=PATH Initialize root directory from template directory,\n"
" if missing\n"
" remove it after exit\n"
" -i --image=PATH File system device or disk image for the container\n"
" --oci-bundle=PATH OCI bundle directory\n"
+ " --read-only Mount the root directory read-only\n"
+ " --volatile[=MODE] Run the system in volatile mode\n"
" --root-hash=HASH Specify verity root hash\n"
+ " --pivot-root=PATH[:PATH]\n"
+ " Pivot root to given directory in the container\n\n"
+ "%3$sExecution:%4$s\n"
" -a --as-pid2 Maintain a stub init as PID1, invoke binary as PID2\n"
" -b --boot Boot up full system (i.e. invoke init)\n"
" --chdir=PATH Set working directory in the container\n"
- " --pivot-root=PATH[:PATH]\n"
- " Pivot root to given directory in the container\n"
- " -u --user=USER Run the command under specified user or uid\n"
+ " -E --setenv=NAME=VALUE Pass an environment variable to PID 1\n"
+ " -u --user=USER Run the command under specified user or UID\n"
+ " --kill-signal=SIGNAL Select signal to use for shutting down PID 1\n"
+ " --notify-ready=BOOLEAN Receive notifications from the child init process\n\n"
+ "%3$sSystem Identity:%4$s\n"
" -M --machine=NAME Set the machine name for the container\n"
" --hostname=NAME Override the hostname for the container\n"
- " --uuid=UUID Set a specific machine UUID for the container\n"
+ " --uuid=UUID Set a specific machine UUID for the container\n\n"
+ "%3$sProperties:%4$s\n"
" -S --slice=SLICE Place the container in the specified slice\n"
" --property=NAME=VALUE Set scope unit property\n"
+ " --register=BOOLEAN Register container as machine\n"
+ " --keep-unit Do not register a scope for the machine, reuse\n"
+ " the service unit nspawn is running in\n\n"
+ "%3$sUser Namespacing:%4$s\n"
" -U --private-users=pick Run within user namespace, autoselect UID/GID range\n"
" --private-users[=UIDBASE[:NUIDS]]\n"
" Similar, but with user configured UID/GID range\n"
- " --private-users-chown Adjust OS tree ownership to private UID/GID range\n"
+ " --private-users-chown Adjust OS tree ownership to private UID/GID range\n\n"
+ "%3$sNetworking:%4$s\n"
" --private-network Disable network in container\n"
" --network-interface=INTERFACE\n"
" Assign an existing network interface to the\n"
" Set network namespace to the one represented by\n"
" the specified kernel namespace file node\n"
" -p --port=[PROTOCOL:]HOSTPORT[:CONTAINERPORT]\n"
- " Expose a container IP port on the host\n"
- " -Z --selinux-context=SECLABEL\n"
- " Set the SELinux security context to be used by\n"
- " processes in the container\n"
- " -L --selinux-apifs-context=SECLABEL\n"
- " Set the SELinux security context to be used by\n"
- " API/tmpfs file systems in the container\n"
+ " Expose a container IP port on the host\n\n"
+ "%3$sSecurity:%4$s\n"
" --capability=CAP In addition to the default, retain specified\n"
" capability\n"
" --drop-capability=CAP Drop the specified capability from the default set\n"
" --system-call-filter=LIST|~LIST\n"
" Permit/prohibit specific system calls\n"
+ " -Z --selinux-context=SECLABEL\n"
+ " Set the SELinux security context to be used by\n"
+ " processes in the container\n"
+ " -L --selinux-apifs-context=SECLABEL\n"
+ " Set the SELinux security context to be used by\n"
+ " API/tmpfs file systems in the container\n\n"
+ "%3$sResources:%4$s\n"
" --rlimit=NAME=LIMIT Set a resource limit for the payload\n"
" --oom-score-adjust=VALUE\n"
" Adjust the OOM score value for the payload\n"
- " --cpu-affinity=CPUS Adjust the CPU affinity of the container\n"
- " --kill-signal=SIGNAL Select signal to use for shutting down PID 1\n"
- " --link-journal=MODE Link up guest journal, one of no, auto, guest, \n"
- " host, try-guest, try-host\n"
- " -j Equivalent to --link-journal=try-guest\n"
+ " --cpu-affinity=CPUS Adjust the CPU affinity of the container\n\n"
+ "%3$sIntegration:%4$s\n"
" --resolv-conf=MODE Select mode of /etc/resolv.conf initialization\n"
" --timezone=MODE Select mode of /etc/localtime initialization\n"
- " --read-only Mount the root directory read-only\n"
+ " --link-journal=MODE Link up guest journal, one of no, auto, guest, \n"
+ " host, try-guest, try-host\n"
+ " -j Equivalent to --link-journal=try-guest\n\n"
+ "%3$sMounts:%4$s\n"
" --bind=PATH[:PATH[:OPTIONS]]\n"
" Bind mount a file or directory from the host into\n"
" the container\n"
" Create an overlay mount from the host to \n"
" the container\n"
" --overlay-ro=PATH[:PATH...]:PATH\n"
- " Similar, but creates a read-only overlay mount\n"
- " -E --setenv=NAME=VALUE Pass an environment variable to PID 1\n"
- " --register=BOOLEAN Register container as machine\n"
- " --keep-unit Do not register a scope for the machine, reuse\n"
- " the service unit nspawn is running in\n"
- " --volatile[=MODE] Run the system in volatile mode\n"
- " --settings=BOOLEAN Load additional settings from .nspawn file\n"
- " --notify-ready=BOOLEAN Receive notifications from the child init process\n"
+ " Similar, but creates a read-only overlay mount\n\n"
+ "%3$sInput/Output:%4$s\n"
" --console=MODE Select how stdin/stdout/stderr and /dev/console are\n"
" set up for the container.\n"
" -P --pipe Equivalent to --console=pipe\n"
- "\nSee the %s for details.\n"
+ "\nSee the %2$s for details.\n"
, program_invocation_short_name
, link
- );
+ , ansi_underline(), ansi_normal());
return 0;
}
projects / platform / upstream / systemd.git / commitdiff