OS Manuals

/usr/bin/unbound

Unbound is a validating, recursive, and caching DNS resolver.

From unbound 1.25.1-r1 (os), captured 2026-11-05 by running unbound --help (exit 1). permalink

Also provided by 2 other package versions
/usr/bin/unbound: invalid option -- '-'
usage:  unbound [options]
	start unbound daemon DNS resolver.
-h	this help.
-c file	config file to read instead of /etc/unbound/unbound.conf
	file format is described in unbound.conf(5).
-d	do not fork into the background.
-p	do not create a pidfile.
-v	verbose (more times to increase verbosity).
-V	show version number and build options.

Version 1.25.1
BSD licensed, see LICENSE in source package for details.
Report bugs to unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues
Options (6)
OptionDescriptionSource
-hShow the version number and commandline option help, and exit.help + man
-c fileSet the config file with settings for unbound to read instead of reading the file at the default location, /etc/unbound/unbound.conf.help + man
-dDebug flag: do not fork into the background, but stay attached to the console.help + man
-pdo not create a pidfile.help + man
-vverbose (more times to increase verbosity).help + man
-VShow the version number and build options, and exit.help + man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.