Improve your bash shell working experience

This article shows some hints how to improve your bash shell working experience to reach higher productivity. Just simple shortcuts that are not so well known. Using the History The bash history is underestimated when it comes to usability. Here some nice stuff to do with the history. Search the history Every command is kept in the history. The simplest way to use the history is using the cursor-up/down keys. Most users are aware or [ctrl]-r. Usually you hit [ctrl]-r ….Read More

Oracle ditches OpenSolaris

OpenSolaris was dropped by Oracle As many people already suspected, Oracle will ditch OpenSolaris as announced here: OpenSolaris cancelled, to be replaced with Solaris 11 Express. The first Solaris 11 Express release is expected end of this year. If is has similar usage restrictions like the Oracle 10 Express database then it will be quite useless. OpenSolaris was a good thing for both, Sun and its customers. Customers had a continuous preview of upcoming features in new Solaris versions. Sun ….Read More

Ready to upstart?

It is time to replace the aged SysV init system with someting better At the time when  SysV init (pronounced “System five”) appeared, hardware configurations have been quite static, no hot plug and similar fancy stuff. SysV init is started after the kernel is loaded. The init process reads /etc/inittab and walks trough the runcontrol script and runlevels. This sequential walk-trough takes most of the time when booting a modern Unix system. Upstart follows another approach: Starting daemons and services ….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:///