Networking useful stuff

Site dedicated mainly to internetworking. The goal is to share experiences, teach IP, IPv6. Talk about Linux, IP services, servers, promote IPv6 adoption, routing protocols, security and in some cases just some thoughts. Keywords: linux, cisco, ospf, bgp, eigrp, ip, ipv6, sla, link, routers, routings, telco, telecommunications, security, ipv4

Showing posts with label ubuntu. Show all posts

Showing posts with label ubuntu. Show all posts

Sunday, June 2, 2024

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

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

Friday, February 23, 2024

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

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

Sunday, October 29, 2023

How to temporarily disable IPv4 on an interface within Linux

Case: We want to disable IPv4 on an interface Solution: sudo ip -4 addr flush dev enp0s1 Explanation: The above command removes all...

Wednesday, July 13, 2022

Fixing/Solved "Unable to parse package file " after apt

Problem: We get an error after executing any apt command in linux Solution The solution is very easy, I spent so many hours fixing...

Thursday, September 3, 2020

Solved: Closing connection because of an I/O error in FRR - at least in Ubuntu

If you are getting this message in FRR: Closing connection because of an I/O error in FR The solution is straight forward. You have to comp...

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