Category: Howto

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How to Add a Swap File On Ubuntu

A swap file enables an operating system (OS) to utilize hard disk space to simulate additional memory. Effectively, as the system goes on the low-memory mode, it swaps a certain section of the RAM...

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How to Monitor Nginx Performance Using Netdata on CentOS 7

Netdata is a free open source, scalable, adaptive, customizable, extensible, and powerful real-time performance and health monitoring tool for Linux systems, which collects and visualizes metrics. It works on desktops, personal computers, servers, embedded…...

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How to Remove Docker Images, Containers and Volumes

Docker is an open-source, powerful, secure, reliable and efficient container platform that enables realistic independence between applications and infrastructure. It is being widely adopted by IT and cloud companies out there, to easily to…...