There are too many metrics that describes some aspects about memory in Linux. Further to an old article on this site, where several concepts were…
This article gives a very brief high-level introduction to PAM (Pluggable Authentication Module) and SSPI (Security Support Provider Interface) as authentication frameworks in Linux and…
Overview Fault tolerance and high availability are two architectural characteristics that people often confuse with each other. High availability focuses on minimizing downtime. It guarantees…
Nginx can act as a application neutral proxy. One example is to front Nifi. The nifi default configuration provides an HTTP access point, specified in…
Working in IT, we sometimes want the customer to have an API to perform pre-defined activities on our servers. We are hoping to manage the…
This is my personal cheatsheet as intermediate Vim user so I skipped the ones that I consider basic. All the commands listed are used in…