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Year: 2015

Linux Admin

[Linux server] How to update DNS entries from DHCP to BIND9

  • stefano
  • Posted on 22nd November 2015
  • No Comments

After talking about this topic with a friend during last week, I decided to start running a local DNS server in my home network. The goals of the server are:…

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GNS3 802.1x Topology
Cisco

[Networking Lab] Configure 802.1x authentication on Cisco switch IOU with GNS3

  • stefano
  • Posted on 20th September 2015
  • 12 Comments

In this post I will show you again the power of GNS3 in doing laboratories to test new features. I will provide you a Lab example to configure and test…

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GNS3 ready to use
GNS3

[Networking – Lab] Ready-to-go GNS3 Switch and Routers config for your lab.

  • stefano
  • Posted on 23rd May 2015
  • No Comments

A lot of times, when you would like to reproduce some behavior in a Network, you need to add a lot of basic configs on your routers and switches. You…

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Tunnel GRE + IpSEC Topology
GNS3

[Networking] Alternatives to packet tracer (was: Softwares to build a virtual lab)

  • stefano
  • Posted on 10th May 2015
  • 2 Comments

Maybe this article will not bring to your knowledge something new, but it happened to me in the recent past that not all the friends and collegues I was talking…

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Networking

[Networking – LAB] Basic MPLS topology

  • stefano
  • Posted on 3rd May 2015
  • 6 Comments

While reviewing MPLS topics you can't avoid to try how the technology works doing some labs. This is particularly valid if you don't have the opportunity to "touch" the technology…

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OSPF Area types LAB topology screenshot
IT

[Networking – LAB] OSPF, get familiar with LSA types and AREAs

  • stefano
  • Posted on 12th April 2015
  • No Comments

I am always reviewing Routing topics to have them all the time fresh in my mind, especially when I don't practice with them a lot during daily works. This time…

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DMVPN Lab GNS3 topology
Cisco

[Networking – LAB] DMVPN GNS3 preconfigured lab for Yasser Auda Workbook

  • stefano
  • Posted on 5th April 2015
  • No Comments

As promised in my recent post about DMVPN online and free study resources, I prepared a small topology for a Laboratory that helps you practising with DMVPN. The topology is…

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DMVPN topology
Cisco

[Networking] DMVPN – Online study resources

  • stefano
  • Posted on 28th March 2015
  • 1 Comment

This is a very quick post to provide some documents to read and study if you are interested in learning DMVPN technology. I added a very short comment for each…

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Twitter Icon
Tweets!

[Tweets] My week on Twitter – 2015-03-20 to 2015-03-26

  • stefano
  • Posted on 26th March 2015
  • No Comments

How to set up #networking between #Docker containers http://t.co/EKYgqtL6wO #sysadmin 22:31:51, 2015-03-20 Very interesting analysis about #MPLS vs #SDWAN. Maybe a little bit too much pro sdwan but worth reading…

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Firefly RK3288 image
IT

Debian GNU/Linux on FireFly Rk3288

  • stefano
  • Posted on 22nd March 2015
  • No Comments

Some weeks ago I decided to build a small server for home as I did alreadyyears ago and documented in this Blog. After a small research on the web I…

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Gre+IpSec
Cisco

[Networking – LAB] Simple GRE Tunnel + IpSEC on Cisco router

  • stefano
  • Posted on 15th March 2015
  • No Comments

Today I was reviewing GRE tunnels and their interaction with IpSEC and I decided to create a very simple and small Lab in GNS3 to have a little bit of…

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Tweets!

[Tweets] My week on Twitter – 2015-03-09 to 2015-03-15

  • stefano
  • Posted on 15th March 2015
  • No Comments

Ten Best Websites to Check #DNS Propagation http://t.co/0HjraD7ZB7 18:56:31, 2015-03-11 #evergreen page from #cisco: #Troubleshooting When #BGP Routes Are Not Advertised http://t.co/aXqXx44tJ1 #netadmin 19:23:36, 2015-03-12 #Juniper rewires the #DataCenter" http://t.co/cQwFBpUCd3…

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IT

Evoluent mouse 4 with Fedora 21 (and other distros)

  • stefano
  • Posted on 8th March 2015
  • No Comments

I recently bought a vertical mouse to take care of my health, considering how many hours I spend each day clicking and using the mouse on PCs. Moreover I started…

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Stefano’s Blog

about me

I love to communicate and to share my knowledge following the examples of Free Software and Open Source communities. In this blog I talk about technologies I play with and experiences with GNU/Linux, Networking (Cisco as first), new technologies and much more. I have technical and management experience with Networking, Security (Cisco, Juniper, Palo Alto, Pulse Secure) as well as GNU/Linux. I can help your Company growing and making changes and impacts in IT thanks to my work experience in the field with big enterprises. Contact me now for a free discussion!

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My Twitter Feed

Stefano LaguardiaFollow

Avatar
Retweet on TwitterStefano Laguardia Retweeted
9 Apr 2021

"Se dovessi reincarnarmi vorrei essere un virus letale per eliminare la sovrappopolazione, la crescita dell’uomo è la più grave minaccia per il Pianeta."
(#PrincipeFilippo, 1988)
❤️

Reply on Twitter 1380559262376718339Retweet on Twitter 1380559262376718339132Like on Twitter 13805592623767183391578
26 Feb 2021

Let's see how it goes with #DeFi

$POLS $BLANK

BlockWallet 🔲@GetBlockWallet

The moment we've been waiting for is here! The @polkastarter $POLS whitelist is open and ready for submissions! 🖊️

Please follow the instructions and complete every step described in the post.

Join $BLANK or the chance might go by in a blink. 👁️

https://t.co/Jte7goSp5D

Reply on Twitter 1365410872751972354Retweet on Twitter 1365410872751972354Like on Twitter 1365410872751972354
Retweet on TwitterStefano Laguardia Retweeted
28 Jan 2021

https://t.co/R527t5mmNp pwned by @evilsocket!

🤪

Reply on Twitter 1354909605990686721Retweet on Twitter 13549096059906867214Like on Twitter 135490960599068672119
8 Jan 2021

Hey @LogitechG, do you have control quality over official warranty claims? I have an almost new MX2s mouse where the scroll is blocked to freewheel only (very annoying) and "https://t.co/7NWdjvuRp8" told me "no issue" sending me back a non working mouse!

Reply on Twitter 1347591412284608513Retweet on Twitter 13475914122846085131Like on Twitter 13475914122846085131
Retweet on TwitterStefano Laguardia Retweeted
18 Dec 2020

Hotfix 20.7.7_1 is now live. HTTP redirect is automatically fixed after update.

Reply on Twitter 1339903097485856768Retweet on Twitter 133990309748585676811Like on Twitter 133990309748585676851
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