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Revision as of 10:06, 12 December 2016 by 2016fwilson (talk | contribs) (What do do if the webserver goes down)
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What do do if the webserver goes down

  • Log in to remote.tjhsst.edu (or if you're already on the internal network, that's fine too)
  • If you're on remote, kinit username/root
  • ssh root@www
  • reload-webserver

This restarts nginx/Apache and ensures that the service manager is still in a consistent state. The website should work after this (if not, try clearing cache/etc, it's possible a redirect to an error page might've been cached, although it shouldn't be).

If this doesn't work, there are a few things you can try:

pkill k5start
pkill -9 k5start
pkill apache2
pkill -9 apache2
pkill nginx
pkill -9 nginx
service apache2 zap
service nginx zap
service apache2 start
service nginx start

This will make sure k5start/nginx/apache have actually been stopped (although possibly not cleanly) before restarting them. If this doesn't work, it's probably an issue with Kerberos / AFS -- make sure /etc/krb5.keytab.www-data exists and has the correct keys (ktlist -K -k /etc/krb5.keytab.www-data, you should see www-data@CSL.TJHSST.EDU listed at least once).

If all of that doesn't work, it's most likely not a problem with the web server -- perhaps check AFS or Kerberos for issues that might be causing a web problem.