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David Cao

David is a Cloud & DevOps Enthusiast. He has years of experience as a Linux engineer. He had working experience in AMD, EMC. He likes Linux, Python, bash, and more. He is a technical blogger and a Software Engineer. He enjoys sharing his learning and contributing to open-source.

How To Use Pip Command in Linux

Python development relies heavily on external libraries to handle complex tasks like data analysis or web scraping. You might encounter a scenario where you try to run a script only to receive an “ImportError,” or you may need to deploy…

how to check ip address in ubuntu linux

Checking your IP address in Ubuntu can be done quickly using several built-in terminal commands. Below are the primary methods: 1. Using the ip Command (Most Common) The standard way to identify all available network interfaces and their associated IP…

How To Send An Email in Ubuntu Terminal

Managing a remote server often requires a way to receive automated notifications without a graphical interface. You might be running long-duration scripts and need a way to get notified upon completion, or you might want to receive unattended-upgrades reports directly…

3 ways to Check PostgreSQL Memory Usage: A Complete Guide

Monitoring memory consumption is a fundamental task for any PostgreSQL administrator. Unlike simple applications, PostgreSQL uses a sophisticated memory architecture that splits resources between a large shared pool and smaller, session-local areas for specific tasks like sorting and joining. Understanding…

3 ways To Install Docker in Ubuntu

Installing Docker on Ubuntu transforms your machine into a powerful virtualization host, allowing you to package software together with all its necessary dependencies. Whether you are setting up a local lab or a production server, Linux provides built-in package managers…

4 ways To Restart Network in Ubuntu

Restoring a dropped connection or applying a new configuration is a routine task for any Linux user. You might find yourself needing to restart the network after a change to your IP address, or perhaps your server has become unreachable…