How are jornaling options affect performance of the ext3 filesystem

The need for speed Everyone looks for the optimum of speed in its servers. Todays servers have plenty of spare CPU power and RAM is dirty cheap. Todays common bottleneck is storage. One way to solve the bottleneck is trowing money on it, the other smarter way is choosing the best matching file system and it options for the purpose of the server. On Linux systems a bunch of file systems is available and ready to use. There are some ….Read More

Directory services and Linux

LDAP is interesting, but not that easy to set up, at least not the server part. I made different approaches to install OpenLDAP without success, the problem was always the schemas and initial data load. With Red Hat Directory Server and its open source pendant CentOS Directory Server I was able to successfully install and maintain a LDAP directory. Red Hat Directory Server is the successor of the Netscape Directory Server which has been purchased by Red Hat some time ….Read More

302 Redirects behind SSL-terminating proxies

You have a web site all with SSL. There is a reverse proxy or load balancer that acts as SSL termination point. Behind that reverse proxy you have an Apache web server running plain http.

Your application uses 302 redirects to announce new URLs or whatever the reason is for doing so. Since the web server does not know that https URLs should be announced the response header looks like following:


The browser interprets that location header and send a request to this non-SSL URL instead of https:///