These are the things quite confusing or abstract while I was at school but now makes lots of sense after many years working with different…
If the default installation has swap on, you will see it from block device list: Many installations require swap to be off for performance reasons…
Disclaimer: many contents here are from Cassandra The Definitive Guide Gossip and Failure Detection Cassandra uses a gossip protocol that allows each node to keep…
Bash Options You can set bash option in two ways, with shopt or with set command. For example: Here is a list of options. I…
RIM is an ANSI approved standard consisting of a generic set of classes from which more specific health classes are derived. For example, subclasses of…
This article explains how to troubleshoot TCP packet from Linux (CentOS) and Windows with TCP dump and wireshark. Both are important tools for troubleshooting. If…