Simple way to generate ssh pub/private key
Very simple way to generate ssh pub/private key in Linux. 1 $ ssh-keygen -t rsa -P "" -m PEM -f filename Copy the content of .ssh/id_rsa.pub to .ssh/autho...
Blog Posts
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Spark - Cassandra connector example
Github https://github.com/nsclass/spark-cassandra-example 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 object SparkCassandra...
Client side load balancing
https://www.youtube.com/watch?v=6NdxUY1La2I
Kafka - Docker compose example for Kafka
Kafka docker compose example. Please set value of KAFKA_ADVERTISED_HOST_NAME for local host IP address. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 version: '2...
Time - days of clock vs Monotonic clocks
Getting days of clocks - Linux: clock_gettime(CLOCK_REALTIME) - Java: System.currentTimeMillis() Getting monotonic clocks - Linux: clock_gettime(CLOCK_MONOTO...