File system

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Guide to Keybase encrypted directories

Categories: Cyber Security, Hack | Tags: Authorization, Cryptography, Encryption, File system, Keybase, PGP

This is a guide to using Keybase’s encrypted directories to store and share files. Keybase is a group, file and chat application who’s goal is to bring public key crypto based on PGP to everyone in…

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Testing the Oracle SQL Connector for Hadoop HDFS

Categories: Data Engineering | Tags: HDFS, Database, File system, Oracle, CDH, SQL

Using Oracle SQL Connector for HDFS, you can use Oracle Database to access and analyze data residing in HDFS files or a Hive table. You can also query and join data in HDFS or a Hive table with other…

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State of the Hadoop open-source ecosystem in early 2013

Categories: Big Data | Tags: Flume, Kafka, Mesos, Phoenix, Pig, Hadoop, Mahout

Hadoop is already a large ecosystem and my guess is that 2013 will be the year where it grows even larger. There are some pieces that we no longer need to present. ZooKeeper, hbase, Hive, Pig, Flume…

David WORMS

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Merging multiple files in Hadoop

Categories: Hack | Tags: HDFS, File system, Hadoop

This is a command I used to concatenate the files stored in Hadoop HDFS matching a globing expression into a single file. It uses the “getmerge” utility of but contrary to “getmerge”, the final…

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OS module on steroids with the SIGAR Node binding

Categories: Node.js | Tags: C++, CPU, File system, Metrics, Monitoring, Network

Today we are announcing the first release of the Node binding to the SIGAR library. Visit the project website or the source code repository on GitHub. SIGAR is a cross platform interface for gathering…

David WORMS

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