             <Icon name='exclamation-triangle' /> WARNING: This project is running low on memory.{' '}
             Upgrade Shared RAM memory in <a onClick={=>@actions(project_id: @props.project_id).set_active_tab('settings')} style={cursor:'pointer'}>settings</a>,{' '}
             restart your project or kill some processes.{' '}
-            (<a href={'https://github.com/sagemathinc/cocalc/wiki/My-Project-Is-Running-Out-of-Memory'} target={'_blank'} style={cursor:'pointer'}>more information</a>; memory usage is updated about once per minute.)
+            (<a href={OOM_INFO_PAGE} target={'_blank'} style={cursor:'pointer'}>more information</a>; memory usage is updated about once per minute.)
         </Alert>
 
 

                    <Icon name='exclamation-triangle' /> {msg}{' '}
                    You either have to kill some processes, close running Jupyter Notebooks via "Halt", or restart your project.{' '}
                    Increasing "Shared RAM" memory in <a onClick={=>@actions(project_id: @props.project_id).set_active_tab('settings')} style={cursor:'pointer'}>settings</a> could help.{' '}
                    <a href={'https://github.com/sagemathinc/cocalc/wiki/My-Project-Is-Running-Out-of-Memory'} target={'_blank'} style={cursor:'pointer'}>More information...</a>.
                </div>
                <div style={flex:'0'}>
                    <Button onClick={=>@click(start_ts, oom_kills)} pullright={"true"}>Dismiss</Button>

{Icon} = require('./r_misc')
misc = require('smc-util/misc')
LS = require('misc/local-storage')

OOM_INFO_PAGE = 'https://doc.cocalc.com/howto/low-memory.html'

# alert style, and derived oom alert style. we want to make sure we do not change one of them accidentally...
alert_style = Object.freeze(
