User Interface Commands

System Message

nv show system message

	nv show system message Display banner messages for different terminal session events: pre-login, post-login and post-logout messages.
Syntax Description	N/A
Default	N/A
History	25.02.2002 25.02.3000 : Updated command output
Example	`admin@nvos:~ nv show system message operational applied ----------- ------------------- ------------------- pre-login pre_login_message pre_login_message post-login post_login_message post_login_message post-logout post_logout_message post_logout_message`
REST API	GET https://<ip>/nvue_v1/system/message
Related Commands	nv set system message pre-login nv set system message post-login
Notes	Printed as raw, unformatted output

nv set/unset system message pre-login message

	nv set system message pre-login {message} nv unset system message pre-login Set/unset the pre-login message.
Syntax Description	message	The new pre-login message to set
Default	N/A
History	25.02.2002
Example	`admin@nvos:~$ nv set system message pre-login new-pre admin@nvos:~$ nv unset system message pre-login`
REST API	PATCH https://<ip>/nvue_v1/system/message
Related Commands	nv show system message
Notes

nv set/unset system message post-login message

	nv set system message post-login {message} nv unset system message post-login Set the post-login message. The unset form of the command unsets the post-login message.
Syntax Description	message	The new post-login message to set
Default	N/A
History	25.02.2002
Example	`admin@nvos:~$ nv set system message post-login new-post admin@nvos:~$ nv unset system message post-login`
REST API	PATCH https://<ip>/nvue_v1/system/message
Related Commands	nv show system message
Notes

nv set/unset system message post-logout

	nv set system message post-logout <message> nv unset system message post-logout Set/unset the post-logout message.
Syntax Description	message	The new post-logout message to set
Default	N/A
History	25.02.2002
Example	`admin@nvos:~$ nv set system message post-logout Goodbye`
REST API	PATCH https://<ip>/nvue_v1/system/message
Related Commands	nv show system message
Notes

SSH

show ssh-server

	nv show ssh-server Limit the maximum number of concurrent user sessions.
Syntax Description	N/A
Default	100
History	25.02.2002 25.02.3000 : Updated command output
Example	`admin@nvos:~$ nv show system ssh-server operational applied ---------------------- ----------- -------- authentication-retries 6 6 login-timeout 120 120 inactive-timeout 15 15 login-record-period 1 1 max-sessions 100 100 pka-only disabled disabled [port] 22 22`
REST API	GET https://<ip>/nvue_v1/system/ssh-server
Related Commands	nv show system ssh-server
Notes	Applied for new connections only.

nv set/unset system ssh-server inactive-timeout

	nv set/unset system ssh-server inactive-timeout [<integer time>] Configure inactive timeout for ssh connections in minutes <0-35000>.
Syntax Description	integer time	Number of minutes: 0–35000 minutes
Default	15 minutes
History	25.02.2002
Example	`admin@nvos:~$ nv set system ssh-server inactive-timeout 300`
REST API	PATCH https://<ip>/nvue_v1/system/ssh-server
Related Commands	nv show system ssh-server
Notes	Applied for new connections only.

nv set/unset system ssh-server max-sessions

	nv set/unset system ssh-server max-sessions [<integer sessions>] Configuring the maximum number of ssh connections <3–100>.
Syntax Description	integer sessions	Number of sessions: 3–100 sessions
Default	100
History	25.02.2002
Example	`admin@nvos:~$ nv set system ssh-server max-sessions 10`
REST API	PATCH https://<ip>/nvue_v1/system/ssh-server
Related Commands	nv show system ssh-server
Notes	Applied for new connections only.

nv set/unset system ssh-server port

	nv set/unset system ssh-server port <port-id> Configure the ports for the systems ssh-server.
Syntax Description	port-id	TCP Port ID (integer: 1–65535)
Default	22
History	25.02.2002
Example	`admin@nvos:~$ nv set system ssh-server port 777`
REST API	PATCH https://<ip>/nvue_v1/system/ssh-server
Related Commands	nv show system ssh-server
Notes	Multiple ports can be configured. By default, port 22 is used. Any user configuration will remove the default, the user need to configure port 22 explicitly.

Serial-Console

nv show system serial-console

	nv show system serial-console Show system serial console.
Syntax Description	N/A
Default	N/A
History	25.02.2002 25.02.3000 : Updated command output
Example	`admin@nvos:~$ nv show system serial-console operational applied ------------------ ----------- -------- sysrq-capabilities disabled disabled inactivity-timeout 1000 1000`
REST API	GET https://<ip>/nvue_v1/system/serial-console
Related Commands	nv set system serial-console inactivity-timeout nv set system serial-console sysrq-capabilities
Notes	Applied after reconnection only.

nv set/unset system serial-console inactivity-timeout

	nv set/unset system serial-console inactivity-timeout Configure inactivity timeout for serial console in minutes <0-35000>
Syntax Description	N/A
Default	15
History	25.02.2002
Example	`admin@nvos:~$ nv set system serial-console inactivity-timeout 300`
REST API	PATCH https://<ip>/nvue_v1/system/serial-console
Related Commands	nv show system serial-console
Notes	Applied after reconnection only.

nv set/unset system serial-console sysrq-capabilities

	nv set/unset system serial-console sysrq-capabilities Enables or disables SysRq key capabilities.
Default	Disabled
History	25.02.2002
Example	`admin@nvos:~$ nv set system serial-console sysrq-capabilities enabled`
REST API	PATCH https://<ip>/nvue_v1/system/ssh-server
Related Commands	nv show system serial-console
Notes

Last updated: March 03, 2025