After some troubles with mailflow due to Back Pressure on my relatively small virtual machine for Exchange, I had to try somewhat harder to reclaim disk space inside the Exchange VM. After the steps described below, I freed nearly 10 GB. When you use Exchange inside a Virtual Machine, you might want to keep the […]
Your Exchange server will stop receiving email messages when the disk utilization is high. This is called Back Pressure. There are various ways to prevent such a dreadful situation, such as enabling circular logging and monitoring for lack of server resources, but you might want a warning message when this happens. Below you find a […]
Today I finished installing and configuring a filtering mailserver that does virus- and spamfiltering. In fact, it only does filtering, and then passes the mail on to internal mail servers. I hit a few hurdles and these installation notes are meant for my own future reference. I publish them on this weblog so others might […]
If you have a webhosting you have to have basic know how of tips and tricks you can do with htaccess. So here is a list of basic actions that can be done via htaccess and how to use them. Disable Directory Browsing Options All -Indexes
Problem description: You (re)boot your computer, e.g. a headless server. The boot process can halt or exit to rescue mode when an external disk is unavailable or when an internal but non-critical disk is out of order. mountall tries to automount all entries from fstab that have the defaults or auto mount options. It will […]
If you want to share your Exchange 2013 calendar, or export your calendar to an iCal ICS file, read on. This is what I did on my calendaring server named Verdandi. In 2011, I wrote in the article “Calendaring: Exchange can publish to ICS, defaults to insecure” on this website: ICS (iCal) is a file […]
I’ve been using a program called F.lux or Flux for over a year now. The program is based on the research that blue light keeps you awake and alert. Not something that you’d want at night. So this program adapts the display to show warmer colors at night. You can read more about the program […]
In this example, we will add support for MHTML / MHT files. Note that the MIME type for MHTML is not well agreed upon. Used MIME types include: multipart/related application/x-mimearchive message/rfc822 According to a StackOverflow question, message/rfc822 should be used. A recent discussion on FreeDesktop, however, recommends application/x-mimearchive as a subtype of multipart/related. I will […]
Almost a year back I started with setting up my own company along with two friends of mine. Though the company did not make much profit I personally feel it has been very profitable project in terms of learning’s that I can take from it.
A friend on mine Rajat Mittal along with Nishant Singh have just launched a very nice initiative (incipiens.com) to help startups which are based in India. Having strong technical background and high proficiency in web technologies they are not only able to provide financial help but also perfect as mentors to critically look at your […]
The first time, a friend handed me Geek Nation: How Indian Science is taking over the World, he said, “It’s a bizarre book!” And one has to admit that reading this book is a journey which you take with the author, Angela Saini, with mixed feelings. At times your emotions resonate with those of the […]
Watch “A Day Made of Glass” and take a look at Corning’s vision for the future with specialty glass at the heart of it.
Here is a nice TED talk on how to live a long life…. It talks about what life styles actually help one to live long and healthy life.
On the edge of Europe (but still in Europe’s heartland somehow), lies the country we all know as Belarus. Widely regarded as Europe’s last dictatorship, it is ruled by president Lukashenko, who has been in office since 1994. Unlike its neighbouring countries Lithuania and Ukraine, Belarus has been looking east rather than west after the […]
I want to share these two amazing search tools: The first one is an awesome song lookup search engine. Ever had that tune stuck in your head and not being able to remember the song ? Just tap the rythm into this cool web application and it will try and look up the song […]
If you are anything like me the first thing that 1st April brings you to is to check what did google did this year as a part of their prank. Initially I was a bit depressed when I could not find anything on the major Google web services pages but a look on the Gmail […]