Hadoop streaming R on Hortonworks Windows distribution
Tue, May 6th 2014 4:25a Christian Petters The ability to combine executables with the hadoop map/reduce engine is a very powerful concept known as streaming. Thanks to a very active community, we have ample of examples available on the web that caters for a large variety of languages and implementations. Sources like this and this have also provided some R language examples that are very easy to follow.
In my case I was only required to look at the integration between two tools. Unfortunately though, I hadn’t so far be [read] Keywords: application
Using IAM credentials to grant access to AWS services
Sat, Sep 21st 2013 7:42p Christian Petters Having used Amazon Web Services (AWS) for quite some time now, I realised that it should be time to start sharing some of my experiences on this blog, particularly considering that I haven’t contributed to the World Wide Web community for quite some time.
Today’s post is about Amazon’s Identity and Access Management (IAM) service and why it is a good idea to use it.
I am using the great backup solution from CloudBerry to backup important files from my laptop on Amazon S3. Whi [read] Keywords: policies
Fixing crashes in Business Intelligence Development Studio (BIDS)
Mon, Sep 24th 2012 2:59p Christian Petters I recently started to look at SQL Server Analysis Services to get a better understanding of the design and usage of OLAP cubes.
Unfortunately the development environment (Business Intelligence Development Studio) which is still based on Visual Studio 2008 kept on crashing on me for no obvious reasons. Being relatively new to the topic I obviously couldn’t judge whether the crashes where caused by my wrongdoing or something happening in the application itself. To my defence though, I shal [read] Keywords: application
IBM Connections Documentation HTML wrapper
Wed, Apr 18th 2012 2:43a Christian Petters If you are like me and constantly being frustrated about the performance of the IBM Connections wiki you can try those two HTML wrapper documents for a more instant experience:
HTML wrapper accessible
Just note the comment on the top of each document “This draft is refreshed quarterly, as necessary, but does not contain all of the latest updates and fixes made to the community-owned version of the wiki articles.” [read] Keywords: connections
Thu, Mar 29th 2012 8:03p Christian Petters Thanks to everyone who attended my session on Lotus Notes package customisation and the positive feedback I have received so far.
Don’t hesitate to drop me a line if you need to know more details on any of the topics covered.
Feel free to download the presentation from here. Most presentations should also be made available in the AusLUG community after the event. [read] Keywords: lotus
Principal field invalidates RFC 5322 compliance
Sun, Mar 11th 2012 3:22a Christian Petters Due to lack of time, another post in ‘shorthand’:
Outgoing SMTP messages are rejected by ISP or Gateway appliance with error “Invalid sender address”
RFC 5322 requires a from field in the header of every email. Emails that were sent from LotusScript* specifying an invalid entry for the Principal field, which caused Domino to create invalid message headers. The mandatory From field was missing.
When using Principal fields, ensure to use v [read] Keywords: domino
Lotus Traveler: 403 FORBIDDEN
Thu, Feb 2nd 2012 1:42p Christian Petters Just a quick note on an issue we discovered lately.
An Apple iPhone was unable to synchronise with the Traveler server. The only error message we got was 403 FORBIDDEN (Access not allowed even with authorization) in the Domlog.nsf.
Issue tell traveler security status username on the domino console. This will result with a listing of all devices registered to a user and their security status. In this particular case the security approval was pending for the iPhone but the [read] Keywords: domino