Linux System Administrator
Pratik Kshirsagar is a Linux System Administrator at RedSwitches, certified in Red Hat (RHCSA) and Microsoft Azure (AZ-900). He manages Linux and Windows servers, tunes performance, runs AWS EC2 workloads, and supports clients across the hosting stack.
Docker image size can become a serious issue as you add more code to the image. Learn how to reduce Docker image size and optimize Dockerfiles for production to speed up CI/CD pipelines and improve container efficiency.
A PostgreSQL superuser is a user with unrestricted access to all database operations, including altering roles, creating databases, and bypassing permission checks.
Learn how to install and secure PostgreSQL on Ubuntu 24.04 in 2026. This step-by-step guide covers installation, configuration, and best practices for developers and system administrators.
Unmetered options in the Equinix Paris data center. 10 min delivery.
