Middleware Magic

http://middlewaremagic.com/weblogic/?p=8381

How to configure passwordless ssh between linux hosts Hi,Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application of ssh is for remote login to computer systems by users. It is also used while doing an SCP to transfer files from one host to another host�...

Using the "Log4j Extras Features" with hadoop. (You can implement the same for non-Hadoop environments as well)

https://community.hortonworks.com/articles/50058/using-log4j-extras-how-to-rotate-as-well-as-zip-th.html

How to rotate as well as zip the NameNode logs using log4j extras feature? - Hortonworks As we know that the logs are important however many times we see that the logs consumes a lots of disk space. So if we want to use the log4j provided approach to control the logging behavior in a much efficient way, then in that case we can take advantage of the "apache-log4j-extra" package. More in...

My 3rd article got published in Hortonworks community forums:

https://community.hortonworks.com/content/kbentry/42872/why-ambari-host-might-have-different-public-host-n.html

Why ambari host might have different public_host_name and host_name in OpenStack ? - Hortonworks Forums, Q&A, Knowledgebase articles, gallery of the best GitHub repos for Hadoop, HDF, Spark, HDP, IOT, Streaming and Big Data. Developers, IT Professionals, and Data Scientists