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newgrp

April 2, 2026
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 |  command, configuration, docker, information, linux, Linux Ubuntu Server, ssh, sudo
It allows you to update your permissions without having to log out When you install Docker and add your user to the group with sudo […]

docker

April 1, 2026
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 |  docker, information, linux, macos, server
I’ve used Docker multiple times in the past and I wasn’t very clear on how it worked. The program’s image (drawing) is: I have macOS […]

obtain public IPv4 and IPv6

March 30, 2026
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 |  command, information, internet, linux, Linux Ubuntu Server, public_ip
ipv4: ipv6: this last returns IPv6 if available, otherwise IPv4 prioritizes ipv6 over ipv4, but it returns ipv4 to me If IPv6 throws an error, […]

Install Linux Ubuntu Server on a PC

March 28, 2026
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 |  booteable, information, linux, Linux Ubuntu Server, PC, pendrive USB
I’m doing this because my Ubuntu server got corrupted after a week without internet Not only does it not recognize basic commands, but it’s difficult […]

Create your own Java Spring Boot application server like Maven Central

January 19, 2026
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 |  command, information, java, linux, macos, maven, new-library, server, spring-boot
Imagine that Nexus Repository is your own private “Google Drive”, but designed specifically for programmers Nexus organizes project files in a way that Gradle or […]

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