You can modify some display features of the Rundeck GUI by setting these properties in the rundeck-config.properties file:

Property Description Example
rundeck.gui.title Title shown in app header Test App
rundeck.gui.brand.html HTML used in place of title Test <b>App</b>
rundeck.gui.logo Logo icon path relative to webapps/rundeck/images dir test-logo.png
rundeck.gui.logoHires (High Res/retina) Logo icon path relative to webapps/rundeck/images dir. Should be 2x the specified logo-height and logo-width test-logo@2x.png
rundeck.gui.logo-width Icon width for proper display (32px is best) 32px
rundeck.gui.logo-height Icon height for proper display (32px is best) 32px
rundeck.gui.titleLink URL for the link used by the app header icon. http://rundeck.org
rundeck.gui.helpLink URL for the "help" link in the app header. http://rundeck.org/ docs
rundeck.gui.realJobTree Displaying a real tree in the Jobs overview instead of collapsing empty groups. Default: true false
rundeck.gui.startpage Change the default page shown after choosing a project. values: 'run', 'jobs' or 'history'. Default: 'jobs'. 'jobs'
rundeck.gui.execution.tail.lines.default Change the default number of lines shown in the execution page in tail mode view. (Default: 20) 50
rundeck.gui.execution.tail.lines.max Change the maximum number of lines shown in the execution page in tail mode view. (Default: 100) 200
rundeck.gui.enableJobHoverInfo Shows job information when the user hovers over a job name in various pages. (Default: true) false
rundeck.gui.login.welcome Text displayed in the login form pages. (Default: blank)
rundeck.gui.login.welcomeHtml HTML displayed in the login form pages. The HTML will be sanitized before display. (Default: blank)
rundeck.gui.errorpage.hidestacktrace Hide Java stacktraces from the end user when an error occurs. Default: false. true/false
rundeck.gui.job.description.disableHTML Disable extended Job description and Option description rendering as HTML. (Default: false) true/false
rundeck.gui.clusterIdentityInHeader When cluster mode is enabled, display server name/ID in header. (Default: false) true/false
rundeck.gui.clusterIdentityInFooter When cluster mode is enabled, display server name/ID in footer. (Default: true) true/false

The rundeck.gui.errorpage.hidestacktrace can also be set to true via a Java system property defined at system startup: -Dorg.rundeck.gui.errorpage.hidestacktrace=true.