Showing posts with label solution. Show all posts
Showing posts with label solution. Show all posts
Tuesday, June 10, 2025

7 Challenges IPv6 Faced and How They Were Overcome

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Did you ever think IPv6 wouldn’t really catch on? If so, this post is for you. Over the past 20 years, IPv6 has faced multiple obstacles tha...
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...
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, July 6, 2023

Google returns: 403. That's an error. Your client does not have permission to get URL / from this server. That's all we know.

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 Introduction:    You want to do a google search and the page returns: "403. That’s an error.    Your client does not have permission t...
Thursday, May 25, 2023

Strange ssh behavior on MAC - Copy/Paste Issues

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 Situation:    Strange behavior of SSH on MAC, problems with copy/paste in terminal during ssh. Does the clipboard work in other application...
Monday, January 23, 2023

Python: reading a text file - character

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Situation:    Reading a text file in python3 (csv or txt) there is a character that can be appreciated using " more " in terminal ...
Wednesday, July 13, 2022

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

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Problem:     We get an error after executing any apt command in linux  Solution     The solution is very easy, I spent so many hours fixing...
Sunday, September 26, 2021

Solved: VBoxGuestAdditions.iso (VERR_PDM_MEDIA_LOCKED)Solved:

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Situation:     When inserting Guest Additions CD Image in a Debian VM you are getting VERR_PDM_MEDIA_LOCKED   Solution:     There are many s...
Saturday, July 24, 2021

Solved: GNS3 - Private Vlan - non-operational - Cisco

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Status:   In summary: private vlan are not working in GNS3, not even using IOU or VIRL Solution:   User IOU i86bi-linux-l2-adventerprisek9-1...
Tuesday, June 1, 2021

Solved: Finder on MAC does not find any files in its searches

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Problem:    Finder can't find files when searching. Solution:    I know there are many solutions, many with spotlight in system preferen...
Friday, January 1, 2016

Virtualbox in Windows. Bridge adapter + IPv6 not working

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Introduction:   When trying to use IPv6 in Virtualbox inside a guest where the adapter is bridge to the wireless interface of the host, the...
Tuesday, February 17, 2015

Solution to quagga vtysh "Exiting: failed to connect to any daemons."

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Description:    When you run the command in the linux shell vtysh to connect to the quagga daemons (such as bgpd, ospfd, etc) returns  the ...