18/11/2009
Kerberos uses tickets to grant access to resources on a Kerberos-enabled computer. If you want to login (via SSH) to a remote host and you don’t want to re-execute the kinit command after you login, you can just forward your ticket with your ssh client. Two steps are needed to do this – given that your Kerberos client is configured:
Create a Kerberos forwardable ticket to your machine
and, forward your ticket while logging in to the remote machine.
In order to create a forwardable ticket execute kinit with the “-f” argument. [...] Continue Reading…
19/10/2009
Google has announced that their search engine is going to support enhanced searching in web pages, by using RDFa and Microformats embedded in XHTML. Google states that the extra (structured) data will be used in order to get results for Product Reviews (e.g. CNET Reviews), Products (e.g. Amazon product pages), People (e.g. LinkedIn profiles) and any other types of resources will be made public through the data-vocabulary.org. W3C is pretty happy about that.
The news are good for three reasons:
Google supports an Open Standard (RDFa by W3C) and also an [...] Continue Reading…
31/03/2009
This is the code that I use to merge multiple Lucene indexes into one. There are many reasons to merge multiple indexes into one like:
- Speed
- Ease of management
- Space – the size of the merged index is less than the sum of non-merged indexes
[...] Continue Reading…
25/02/2009
TeXlipse is an Eclipse Plugin that allows you to have control of your Tex files, compile them, and convert them to PDF. It runs through Eclipse and its very easy to use. Using Eclipse as a tool for Tex is nice because you can use all the other Eclipse’s tools to be more productive(CVS, SVN, Mylin etc).
The only requirement to install Texlipse, is to have a Tex toolchain already installed on your Mac. The recommended way to have the whole toolchain, is to install MacTex. In order to install [...] Continue Reading…
22/02/2009
I am sure that you have heard about OpenID. OpenID is an open, decentralized, free framework for user-centric digital identity. That means that you only need only one username in order to be able to login into many sites that support OpenID. Yahoo!, Google, Microsoft and many many others have expressed support and are already providers of this wonderful idea that is spreading every day.With OpenID every user has one universal username that uses in every OpenID-enabled site. For example, my OpenID is “id.asteriosk.gr”. It is unique since I [...] Continue Reading…