Sunday, June 2, 2024

Solved: "The following security updates require Ubuntu Pro with 'esm-apps' enabled"

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Situation   When you want to do some operations in Ubuntu using apt/do-release-upgrade you receive the message: "The following security...
Monday, April 29, 2024

Solved: Error: eth0 interface name is not allowed for R2 node when network mode is not set to none in containerlab

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 Problem:    Containerlab returns a similar error: Error: eth0 interface name is not allowed for R2 node when network mode is not set to non...
Friday, March 8, 2024

BGP Stream: An Analysis of One Year of BGP Incidents

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04/03/2024 By  Alejandro Acosta , R&D Coordinator at LACNIC LACNIC presents  the first webpage  designed to show incidents and an analys...
Tuesday, February 27, 2024

This is the way to install the telnet command in Alpine Linux (very popular in the container world such as docker)

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This is the way to install the telnet command in Alpine Linux (very popular in the container world such as docker) #apk update #apk add busy...
Friday, February 23, 2024

The real solution to run ContainerLAB on MAC m1 or m2 apple silicon

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Step 1: Install Canonical Multipass your MAC  $brew install multipass Step 2: Install the VM called docker $multipass launch docker --name m...
Thursday, February 1, 2024

A Much-Needed BGP RFC: AS Path Prepending

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Introduction The Border Gateway Protocol (BGP) plays a critical role in building and maintaining Internet routing tables, so much so that it...
Monday, January 8, 2024

Two very short jokes, one TCP and other UDP

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TCP:  ” You wanna hear a TCP joke ?  You wanna hear a TCP joke ?  You wanna hear a TCP joke ?  You wanna hear a TCP joke ?  [...]” UDP: I’d ...