Manual:$wgShellboxUrl

Shell and process control: $wgShellboxUrl
Shell commands can be run on a remote server using Shellbox.
Introduced in version:1.36.0 (Gerrit change 626548; git #99392f3b)
Deprecated in version:1.37.0 (Gerrit change 700325; git #50888be5)
Removed in version:1.40.0 (Gerrit change 833804; git #0ec96651)
Allowed values:(string) or null
Default value:Unspecified

Details

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Shell commands can be run on a remote server using Shellbox. To use this feature, set this to the URL, and also configure $wgShellboxSecretKey.

For more information about installing Shellbox, see Shellbox