Lists all the module's supported commands with their description:

> sudo yast lan help

Same as help, but adds a detailed list of all command's options and their descriptions:

> sudo yast lan longhelp

Same as longhelp, but the output is structured as an XML document and redirected to a file:

> sudo yast lan xmlhelp xmlfile=/tmp/yast_lan.xml

Enters the interactive mode. This lets you run the module's commands without prefixing them with sudo yast. Use exit to leave the interactive mode.

Sets an option:

> sudo yast audit-laf set log_file=/tmp/audit.log

For a complete list of options, run yast audit-laf set help.

Displays settings of an option:

> sudo yast audit-laf show diskspace
space_left: 75
space_left_action: SYSLOG
admin_space_left: 50
admin_space_left_action: SUSPEND
action_mail_acct: root
disk_full_action: SUSPEND
disk_error_action: SUSPEND

For a complete list of options, run yast audit-laf show help.

Disables the DHCP server service.

Enables the DHCP server service.

Configures settings for individual hosts.

Specifies to which network interface to listen to:

> sudo yast dhcp-server interface current
Selected Interfaces: eth0
Other Interfaces: bond0, pbu, eth1

For a complete list of options, run yast dhcp-server interface help.

Manages global DHCP options. For a complete list of options, run yast dhcp-server options help.

Prints the status of the DHCP service.

Manages the DHCP subnet options. For a complete list of options, run yast dhcp-server subnet help.

Displays access control list settings:

 > sudo yast dns-server acls show
 ACLs:
 -----
  Name       Type        Value
  ----------------------------
  any        Predefined
  localips   Predefined
  localnets  Predefined
  none       Predefined

Configures zone resource records:

> sudo yast dnsrecord add zone=example.org query=office.example.org type=NS value=ns3

For a complete list of options, run yast dns-server dnsrecord help.

Configures DNS forwarders:

> sudo yast dns-server forwarders add ip=10.0.0.100
> sudo yast dns-server forwarders show
[...]
Forwarder IP
------------
10.0.0.100

For a complete list of options, run yast dns-server forwarders help.

Handles “A” and its related “PTR” record at once:

> sudo yast dns-server host show zone=example.org

For a complete list of options, run yast dns-server host help.

Configures logging settings:

> sudo yast dns-server logging set updates=no transfers=yes

For a complete list of options, run yast dns-server logging help.

Configures zone mail servers:

> sudo yast dns-server mailserver add zone=example.org mx=mx1 priority=100

For a complete list of options, run yast dns-server mailserver help.

Configures zone name servers:

> sudo yast dns-server nameserver add zone=example.com ns=ns1

For a complete list of options, run yast dns-server nameserver help.

Configures the start of authority (SOA) record:

> sudo yast dns-server soa set zone=example.org serial=2006081623 ttl=2D3H20S

For a complete list of options, run yast dns-server soa help.

Manages the DNS server service:

> sudo yast dns-server startup atboot

For a complete list of options, run yast dns-server startup help.

Configures zone transport rules. For a complete list of options, run yast dns-server transport help.

Manages DNS zones:

> sudo yast dns-server zones add name=example.org zonetype=master

For a complete list of options, run yast dns-server zones help.

Lists all configured disks in the system:

> sudo yast disk list disks
Device   | Size       | FS Type | Mount Point | Label | Model
---------+------------+---------+-------------+-------+-------------
/dev/sda | 119.24 GiB |         |             |       | SSD 840
/dev/sdb |  60.84 GiB |         |             |       | WD1003FBYX-0

Lists all partitions in the system:

> sudo yast disk list partitions
Device         | Size       | FS Type | Mount Point | Label | Model
---------------+------------+---------+-------------+-------+------
/dev/sda1      |   1.00 GiB | Ext2    | /boot       |       |
/dev/sdb1      |   1.00 GiB | Swap    | swap        |       |
/dev/sdc1      | 698.64 GiB | XFS     | /mnt/extra  |       |
/dev/vg00/home | 580.50 GiB | Ext3    | /home       |       |
/dev/vg00/root | 100.00 GiB | Ext3    | /           |       |
[...]

Controls secure connections via SSL and TLS. SSL options are valid for the vsftpd only.

> sudo yast ftp-server SSL enable
> sudo yast ftp-server TLS disable

Configures access permissions:

> sudo yast ftp-server access authen_only

For a complete list of options, run yast ftp-server access help.

Configures access permissions for anonymous users:

> sudo yast ftp-server anon_access can_upload

For a complete list of options, run yast ftp-server anon_access help.

Specifies the directory for anonymous users. The directory must already exist on the server:

> sudo yast ftp-server anon_dir set_anon_dir=/srv/ftp

For a complete list of options, run yast ftp-server anon_dir help.

Controls change root environment (chroot):

> sudo yast ftp-server chroot enable
> sudo yast ftp-server chroot disable

Sets the maximum idle time in minutes before FTP server terminates the current connection:

> sudo yast ftp-server idle-time set_idle_time=15

Determines whether to save the log messages into a log file:

> sudo yast ftp-server logging enable
> sudo yast ftp-server logging disable

Specifies the maximum number of concurrently connected clients:

> sudo yast ftp-server max_clients set_max_clients=1500

Specifies the maximum number of concurrently connected clients via IP:

> sudo yast ftp-server max_clients_ip set_max_clients=20

Specifies the maximum data transfer rate permitted for anonymous clients (KB/s):

> sudo yast ftp-server max_rate_anon set_max_rate=10000

Specifies the maximum data transfer rate permitted for locally authenticated users (KB/s):

> sudo yast ftp-server max_rate_authen set_max_rate=10000

Specifies the port range for passive connection replies:

> sudo yast ftp-server port_range set_min_port=20000 set_max_port=30000

For a complete list of options, run yast ftp-server port_range help.

Displays FTP server settings.

Controls the FTP start-up method:

> sudo yast ftp-server startup atboot

For a complete list of options, run yast ftp-server startup help.

Specifies the file umask for authenticated:anonymous users:

> sudo yast ftp-server umask set_umask=177:077

Specifies the text to display when someone connects to the FTP server:

> sudo yast ftp-server welcome_message set_message="hello everybody"

Configures the HTTP server host settings:

> sudo yast http-server configure host=main servername=www.example.com \
 serveradmin=admin@example.com

For a complete list of options, run yast http-server configure help.

Configures virtual hosts:

> sudo yast http-server hosts create servername=www.example.com \
 serveradmin=admin@example.com documentroot=/var/www

For a complete list of options, run yast http-server hosts help.

Specifies the ports and network addresses where the HTTP server should listen:

> sudo yast http-server listen add=81
> sudo yast http-server listen list
Listen Statements:
==================
:80
:81
> sudo yast http-server delete=80

For a complete list of options, run yast http-server listen help.

Enables or disables the wizard mode:

> sudo yast http-server mode wizard=on

Controls the Apache2 server modules:

> sudo yast http-server modules enable=php5,rewrite
> sudo yast http-server modules disable=ssl
> sudo http-server modules list
[...]
Enabled rewrite
Disabled ssl
Enabled php5
[...]

Copies the kernel into the dump directory.

Specifies the kernel_string part of the name of the custom kernel. The naming scheme is /boot/vmlinu[zx]-kernel_string[.gz].

> sudo yast kdump customkernel kernel=kdump

For a complete list of options, run yast kdump customkernel help.

Specifies the (compression) format of the dump kernel image. Available formats are “none”, “ELF”, “compressed” or “lzo”:

> sudo yast kdump dumpformat dump_format=ELF

Specifies the dump level number in the range from 0 to 31:

> sudo yast kdump dumplevel dump_level=24

Specifies the destination for saving dump images:

> sudo kdump dumptarget target=ssh server=name_server port=22 \
 dir=/var/log/dump user=user_name

For a complete list of options, run yast kdump dumptarget help.

Controls whether the system should reboot immediately after saving the core in the Kdump kernel:

> sudo yast kdump immediatereboot enable
> sudo yast kdump immediatereboot disable

Specifies how many old dump images are kept. Specify zero to keep them all:

> sudo yast kdump keepolddumps no=5

Specifies the command line that needs to be passed off to the Kdump kernel:

> sudo yast kdump kernelcommandline command="ro root=LABEL=/"

Specifies the command line that you need to append to the default command line string:

> sudo yast kdump kernelcommandlineappend command="ro root=LABEL=/"

Specifies an e-mail address for sending copies of notification messages:

> sudo yast kdump notificationcc email="user1@example.com user2@example.com"

Specifies an e-mail address for sending notification messages:

> sudo yast kdump notificationto email="user1@example.com user2@example.com"

Displays kdump settings:

> sudo yast kdump show
Kdump is disabled
Dump Level: 31
Dump Format: compressed
Dump Target Settings
target: file
file directory: /var/crash
Kdump immediate reboots: Enabled
Numbers of old dumps: 5

Specifies the file with the plain text SMTP password used for sending notification messages:

> sudo yast kdump smtppass pass=/path/to/file

Specifies the SMTP server host name used for sending notification messages:

> sudo yast kdump smtpserver server=smtp.server.com

Specifies the SMTP user name used for sending notification messages:

> sudo yast kdump smtpuser user=smtp_user

Enables or disables start-up options:

> sudo yast kdump startup enable alloc_mem=128,256
> sudo yast kdump startup disable

Lists all available keyboard layouts.

Activates new keyboard layout setting:

> sudo yast keyboard set layout=czech

Displays the current keyboard configuration.

Configures a new network card:

> sudo yast lan add name=vlan50 ethdevice=eth0 bootproto=dhcp

For a complete list of options, run yast lan add help.

Deletes an existing network card:

> sudo yast lan delete id=0

Changes the configuration of an existing network card:

> sudo yast lan edit id=0 bootproto=dhcp

Displays a summary of network card configuration:

> sudo yast lan list
id name,           bootproto
0 Ethernet Card 0, NONE
1 Network Bridge,  DHCP

Lists all available languages.

Specifies the main system languages and secondary languages:

> sudo yast language set lang=cs_CZ languages=en_US,es_ES no_packages

Adds a new NFS mount:

> sudo yast nfs add spec=remote_host:/path/to/nfs/share file=/local/mount/point

For a complete list of options, run yast nfs add help.

Deletes an existing NFS mount:

> sudo yast nfs delete spec=remote_host:/path/to/nfs/share file=/local/mount/point

For a complete list of options, run yast nfs delete help.

Changes an existing NFS mount:

> sudo yast nfs edit spec=remote_host:/path/to/nfs/share \
 file=/local/mount/point type=nfs4

For a complete list of options, run yast nfs edit help.

Lists existing NFS mounts:

> sudo yast nfs list
Server            Remote File System    Mount Point    Options
----------------------------------------------------------------
nfs.example.com   /mnt                  /nfs/mnt       nfs
nfs.example.com   /home/tux/nfs_share   /nfs/tux       nfs

Adds a directory to export:

> sudo yast nfs-server add mountpoint=/nfs/export hosts=*.allowed_hosts.com

For a complete list of options, run yast nfs-server add help.

Deletes a directory from the NFS export:

 > sudo yast nfs-server delete mountpoint=/nfs/export

Specifies additional parameters for the NFS server:

> sudo yast nfs-server set enablev4=yes security=yes

For a complete list of options, run yast nfs-server set help.

Starts the NFS server service:

> sudo yast nfs-server start

Stops the NFS server service:

> sudo yast nfs-server stop

Displays a summary of the NFS server configuration:

> sudo yast nfs-server summary
NFS server is enabled
NFS Exports
* /mnt
* /home

NFSv4 support is enabled.
The NFSv4 domain for idmapping is localdomain.
NFS Security using GSS is enabled.

Changes global settings of a NIS client:

> sudo yast nis configure server=nis.example.com broadcast=yes

For a complete list of options, run yast nis configure help.

Disables the NIS client:

> sudo yast nis disable

Enables your machine as NIS client:

> sudo yast nis enable server=nis.example.com broadcast=yes automounter=yes

For a complete list of options, run yast nis enable help.

Shows available NIS servers for a given domain:

> sudo yast nis find domain=nisdomain.com

Displays a configuration summary of a NIS client.

Configures a NIS master server:

> sudo yast nis-server master domain=nisdomain.com yppasswd=yes

For a complete list of options, run yast nis-server master help.

Configures a NIS worker server:

> sudo yast nis-server slave domain=nisdomain.com master_ip=10.100.51.65

For a complete list of options, run yast nis-server slave help.

Stops a NIS server:

> sudo yast nis-server stop

Displays a configuration summary of a NIS server:

> sudo yast nis-server summary

Specifies the authentication options for proxy:

> sudo yast proxy authentication username=tux password=secret

For a complete list of options, run yast proxy authentication help.

Enables or disables proxy settings.

Changes the current proxy settings:

> sudo yast proxy set https=proxy.example.com

For a complete list of options, run yast proxy set help.

Displays proxy settings.

Allows remote access to the server's desktop:

> sudo yast rdp allow set=yes

Displays the remote desktop configuration summary.

Changes global settings of Samba:

> sudo yast samba-client configure workgroup=FAMILY

Checks whether the machine is a member of a domain:

> sudo yast samba-client isdomainmember domain=SMB_DOMAIN

Makes the machine a member of a domain:

> sudo yast samba-client joindomain domain=SMB_DOMAIN user=username password=pwd

Enables or disables Winbind services (the winbindd daemon):

> sudo yast samba-client winbind enable
> sudo yast samba-client winbind disable

Specifies the back-end for storing user information:

> sudo yast samba-server backend smbpasswd

For a complete list of options, run yast samba-server backend help.

Configures global settings of the Samba server:

> sudo yast samba-server configure workgroup=FAMILY description='Home server'

For a complete list of options, run yast samba-server configure help.

Displays a list of available shares:

> sudo yast samba-server list
Status     Type Name
==============================
Disabled   Disk profiles
Enabled    Disk print$
Enabled    Disk homes
Disabled   Disk groups
Enabled    Disk movies
Enabled    Printer printers

Specifies the role of the Samba server:

> sudo yast samba-server role standalone

For a complete list of options, run yast samba-server role help.

Enables or disables the Samba services (smb and nmb):

> sudo yast samba-server service enable
> sudo yast samba-server service disable

Manipulates a single Samba share:

> sudo yast samba-server share name=movies browseable=yes guest_ok=yes

For a complete list of options, run yast samba-server share help.

Specifies the security level of the host:

> sudo yast security level server

For a complete list of options, run yast security level help.

Sets the value of a specific option:

> sudo yast security set passwd=sha512 crack=yes

For a complete list of options, run yast security set help.

Displays a summary of the current security configuration:

sudoyast security summary

Configures a new sound card. Without any parameters, the command adds the first detected card.

> sudo yast sound add card=0 volume=75

For a complete list of options, run yast sound add help.

Lists available volume channels of a sound card:

> sudo yast sound channels card=0
Master 75
PCM 100

Lists all available sound kernel modules:

> sudo yast sound modules
snd-atiixp ATI IXP AC97 controller (snd-atiixp)
snd-atiixp-modem ATI IXP MC97 controller (snd-atiixp-modem)
snd-virtuoso Asus Virtuoso driver (snd-virtuoso)
[...]

Plays a test sound on a sound card:

> sudo yast sound playtest card=0

Removes a configured sound card:

> sudo yast sound remove card=0
> sudo yast sound remove all

Specifies new values for a sound card:

> sudo yast sound set card=0 volume=80

Displays detailed information about a sound card:

> sudo yast sound show card=0
Parameters of card 'ThinkPad X240' (using module snd-hda-intel):

align_buffer_size
 Force buffer and period sizes to be multiple of 128 bytes.
bdl_pos_adj
 BDL position adjustment offset.
beep_mode
 Select HDA Beep registration mode (0=off, 1=on) (default=1).
 Default Value: 0
enable_msi
 Enable Message Signaled Interrupt (MSI)
[...]

Prints a configuration summary for all sound cards on the system:

> sudo yast sound summary

Specifies the volume level of a sound card:

sudoyast sound volume card=0 play

Sets empty value to a variable:

> sudo yast sysconfig clear=POSTFIX_LISTEN

Tip: Variable in multiple files

If the variable is available in several files, use the VARIABLE_NAME$FILE_NAME syntax:

> sudo yast sysconfig clear=CONFIG_TYPE$/etc/sysconfig/mail

Displays detailed information about a variable:

> sudo yast sysconfig details variable=POSTFIX_LISTEN
Description:
Value:
File: /etc/sysconfig/postfix
Possible Values: Any value
Default Value:
Configuration Script: postfix
Description:
 Comma separated list of IP's
 NOTE: If not set, LISTEN on all interfaces

Displays summary of modified variables. Use all to list all variables and their values:

> sudo yast sysconfig list all
AOU_AUTO_AGREE_WITH_LICENSES="false"
AOU_ENABLE_CRONJOB="true"
AOU_INCLUDE_RECOMMENDS="false"
[...]

Sets a value for a variable:

> sudo yast sysconfig set DISPLAYMANAGER=gdm

Tip: Variable in multiple files

If the variable is available in several files, use the VARIABLE_NAME$FILE_NAME syntax:

> sudo yast sysconfig set CONFIG_TYPE$/etc/sysconfig/mail=advanced

Specifies the directory of the TFTP server:

> sudo yast tftp-server directory path=/srv/tftp
> sudo yast tftp-server directory list
Directory Path: /srv/tftp

Controls the status of the TFTP server service:

> sudo yast tftp-server status disable
> sudo yast tftp-server status show
Service Status: false
> sudo yast tftp-server status enable

Lists all available time zones grouped by region:

> sudo yast timezone list
Region: Africa
Africa/Abidjan (Abidjan)
Africa/Accra (Accra)
Africa/Addis_Ababa (Addis Ababa)
[...]

Specifies new values for the time zone configuration:

> sudo yast timezone set timezone=Europe/Prague hwclock=local

Displays the time zone configuration summary:

> sudo yast timezone summary
Current Time Zone: Europe/Prague
Hardware Clock Set To: Local time
Current Time and Date: Mon 12. March 2018, 11:36:21 CET

Adds a new user:

> sudo yast users add username=user1 password=secret home=/home/user1

For a complete list of options, run yast users add help.

Deletes an existing user account:

> sudo yast users delete username=user1 delete_home

For a complete list of options, run yast users delete help.

Changes an existing user account:

> sudo yast users edit username=user1 password=new_secret

For a complete list of options, run yast users edit help.

Lists existing users filtered by user type:

> sudo yast users list system

For a complete list of options, run yast users list help.

Displays details about a user:

> sudo yast users show username=wwwrun
Full Name: WWW daemon apache
List of Groups: www
Default Group: wwwrun
Home Directory: /var/lib/wwwrun
Login Shell: /sbin/nologin
Login Name: wwwrun
UID: 456

For a complete list of options, run yast users show help.