---
name: "mknetid"
section: "8"
platform: "linux"
package: "ypserv"
version: "4.2-2+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux", "freebsd", "openbsd"]
url: "https://new.carta.tech/mknetid"
---

# mknetid(8)

generate data for netid map

## NAME

mknetid - generate data for netid map

## SYNOPSIS

**/usr/lib/yp/mknetid** \[-q\] \[-h *hosts*\] \[-p *passwd*\] \[-g *group*\] \[-d *domain*\] \[-n *netid*\]

**/usr/lib/yp/mknetid** --version

## DESCRIPTION

**mknetid** generates the *netid.byname* NIS map from the contents of the [group(5)](/group/5.md), [passwd(5)](/passwd/5.md), [hosts(5)](/hosts/5.md) and netid files. It checks for multiple entrys of netids and warn for them or filters them out. It is only called by /var/yp/Makefile when rebuilding the NIS map.

## OPTIONS

- **-q**

  This flag turns on 'quiet' mode, don't print a warning message when finding an duplicate netid entry.

**-h** *hosts*

The **-h** flag can be used to specify the use of another hosts file than the default /etc/hosts.

**-p** *passwd*

The **-p** flag can be used to specify the use of another passwd file than the default /etc/passwd.

**-g** *group*

The **-g** flag can be used to specify the use of another group file than the default /etc/group.

**-n** *netid*

The **-n** flag can be used to specify the use of another netid file than the default /etc/netid.

**-d** *domain*

The **mknetid** command uses the system domainname by default. If it is not set or you whish to override it, you must use the **-d** parameter.

- **--version**

  Prints the version number

## FILES

/etc/group

groups file

/etc/hosts

hosts database

/etc/netid

netname database

/etc/passwd

password file

## SEE ALSO

**passwd**(8), [**group**(5)](/group/5.md), [**hosts**(5)](/hosts/5.md), [**passwd**(5)](/passwd/5.md)

## AUTHOR

**mknetid** was written by Thorsten Kukuk \<kukuk@linux-nis.org\>.