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…
Excerpts from Cassandra The Definitive Guide Gossip and Failure Detection Cassandra uses a gossip protocol that allows each node to keep track of state information…
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…
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…
This article summarized my time-saving Linux tips, mostly with CentOS environment. Bash Shortcuts These shortcuts save a lot of arrow keystrokes. Some of them may…