snippetbashTip

xhost — Manage access control lists for X server connections. More information: <https://manned.org/xhost>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandxhostaccessclimanagecontrolforlists

linux

Problem

How to use the xhost command: Manage access control lists for X server connections. More information: <https://manned.org/xhost>.

Solution

xhost — Manage access control lists for X server connections. More information: <https://manned.org/xhost>.

Display the current access control list:

xhost

Allow a specific host to connect to the X server:

xhost +{{hostname}}

Deny a specific host from connecting to the X server:

xhost -{{hostname}}

Allow all hosts to connect (disable access control - insecure):

xhost +

Deny all hosts except those explicitly allowed (enable access control):

xhost -

Remove a specific user or address using a family prefix (like inet:hostname or si:localuser:username):

xhost -{{family:name}}

Code Snippets

Display the current access control list

xhost

Allow a specific host to connect to the X server

xhost +{{hostname}}

Deny a specific host from connecting to the X server

xhost -{{hostname}}

Allow all hosts to connect (disable access control - insecure)

xhost +

Deny all hosts except those explicitly allowed (enable access control)

xhost -

Context

tldr-pages: linux/xhost

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