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Roland Wolters
The System Administrator will often come across a situation where an SSH connection to Host B is only possible by making a detour via SHH to Host A: client -> ssh A -> ssh B To shorten this two-step process, an entry can be made in the ~/.ssh/config of Host A as "Jumphost", to ensure that...
Joseph Conway
Recursively finding Windows Internet Shortcut (*.url) files and changing them into GNOME desktop files Over the past few days I have finally converted my wife's computer from WinXP to Linux (Ubuntu 10.10). One of the many fine points of the negotiation leading to this was that I needed to preserve...
Irenie White
Rugby, 6 December 2010 - credativ Ltd and Black Duck Software Inc. have announced an international partnership to help further the deployment and integration of Open Source Software. The OSSC (Open Source Support Centre) run by credativ in the UK, US, Germany and Canada will now also be providing...
Irenie White
Earlier this year, blogger and PostgreSQL Committer Andrew Dunstan drew up a list of individual Committers to the PostgreSQL Project. We are proud to say that this list featured some of our employees. In May, PostgreSQL's Andrew Dunstan published some data about the productivity of PostgreSQL...
Joseph Conway
I've been asked on at least three separate occasions lately how to know if changing a particular postgresql.conf item requires a restart, or a reload, of PostgreSQL. Here is my quick and dirty favorite way to answer this question: -- configs requiring postgresql restart select name, setting,...
Lukas Gärtner
CIOZone, a social network for CIOs, recently interviewed our Founder and CEO Dr. Michael Meskes. CIOZone is a central place where CIOs can network. In this video, Roger Green takes the time to drop in to our office in Moenchengladbach, Germany to interview Michael Meskes, the founder of credativ...
Joseph Conway
When you pass large amounts of data to and from PL/R, quite a lot of time is needed for converting. A change is being tested which treats arrays of 4 byte integers and 8 byte floating point values as a special case, resulting in a dramatic performance improvement. In a recent post, I discussed PL/R...
Irenie White
The vast majority of Debian installations are simplified with the use of Preseeding and Netboot. Friedrich Weber, a school student on a work experience placement with us at our German office has observed the process and captured it in a Howto here: Imagine the following situation: you find yourself...
Irenie White
nVidia has made it known that the free nv Driver is no longer going to be supported. Starting with the newly publicised Fermi Graphics Cards, future cards from nVidia will no longer work with nv Drivers. Originally, nv Drivers from nVidia were developed to provide basic 2D performance. 3D support...
Joseph Conway
When you pass large amounts of data to and from PL/R, quite a lot of time is needed for converting. It's better to directly store the data as R objects. I had been planning to continue with timeseries aggregation, but decided to take a side-road based on a recent question on the PL/R mailing list...