Posts

How Dangerous Distractions Can Become For A Network Engineer

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I am going not to talk about being distracted for an hour, a day or even a week. I am talking about year long distraction, the kind of distractions that deviate you from the person you wanted to become… one day. I was filling some applications online and I stumbled upon an exam paper issued by my high school: Lycee Pilote Ariana exam sheet – Graduation Year 2002/2003 It is the graduation year that followed mine. This exam sheet was taken by high school pupils, 9 months after my high school graduation in 2002. I took some minutes to contemplate the content of this exam sheet. Boy did I do this kind of stuff when I was younger? To be able to solve three Math exercises, two in Algebra and one in Geometry, all under two hours, with no “practice exams” available to us at that time, with all the fucking stress of a naive pupil back then, with no perspective into the future other than to study and hope for a better tomorrow. Yes, with no perspective. I was a regular guy...

How I passed the Cisco ACI Exam on The First Try

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You probably read about the Cisco exam update launched recently. A lot of folks are consequently studying harder to reach the deadline of february 23rd. 2020, let alone those who are studying for one-of-its-kind-exam; the Cisco ACI exam. As my CCNP status is also at stake I needed to pursue one exam to renew it. Since I did two trainings in ACI as part of work requirements and owned Cisco Press ACI books, it definitely makes sense to study for the CLDACI exam. Goal: I pass CLDACI exam successfully by February 1st, 2020. Time to achieve: 5 Months. Cisco CLDACI 300-475 Exam Blueprint My Collection of Cisco ACI Exam Study Material (Paid) Cisco Press: The Policy-driven Datacenter with ACI Packt Publishing: ACI Cookbook : good resource you can use to see how we configure things in ACI, because it includes a lot of screenshots. Cisco Press: Deploying ACI : This was my favourite and my main study ressource. Pluralsight, Fundamentals of Using Cisco ACI : there are two good introductory cour...

Welcome to Munich

I got a call from a property owner. She announced to me that I was accepted to rent her apartment if I still am interested. I was very happy! I signed the contract on the 28 of December. I called my family and told them the news. My wife cried of joy. Although Germans recommend to have a ratio of one third when it comes to rent compared to salary, I did not know about that. And even so, it does not matter because I am going to spend almost half of my salary on rent. Munich is a great place to live and work. But to be selected by the property owners is a fucking real nightmare. Don’t take my word for it, ask your German friends in Munich. Or if you have some balls, come to Munich for a job position and try to get a suitable rent.

Postman In The World Of Decepticon

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In this quick tutorial we learn how to get Postman, how to install it and how to use it to connect to Cisco ACI . Getting it from Chrome Postman was popular with its extension for Google Chrome. So the first thing you probably did is navigating to Google Chrome Web Store and downloading the extension. Then to access the Postman extension, type on the following URL on Google Chrome: chrome://apps/ You should see an icon now: A window loads for seconds then displays the following message: This Chrome App is being deprecated. You can ignore the message and continue to the next menus. The Postman dashboard will load normally. But I recommend to use the native App instead because it will be the future of Postman development, which takes us to the next paragraph. If you installed both the Chrome extension and the native app, then they will both appear on your computer. Click on this icon: Native app Go to Postman webpage and download the version that fits your computer OS. Run the normal in...

Hunting For A Place in Munich

The hurdle started a couple of days ago. My strategy is to consult all websites that have to do with properties. The best one was Immoscout24. I downloaded the application. I prepared my Selbstauskunft , attached a copy of the payslip and a SCHUFA . It is a marathon. When you are serious about it, you ought to send applications every fucking day and then expect a reply. I sent at least 6 new applications daily and some more reminders to the previous one who did not respond to me. I checked my emails frequently to the point I forgot how many times it was: in public transportation, during lunch, at work (I asked for a permission from my manager to consult my private phone all day long, and she was completely OK with it), at home, in the toilet, etc. Whenever I get an invitation to an apartment visit, I plan it, tell my boss about it and go to it. Sometimes it happens during work. Thank Allah that my boss was understanding of my situation. I went on this routine for about 3 months in a ro...

My First Bank Account in Germany

As soon as I arrived in Regensburg, I started the hunt for banks, in order to open an salary account. I visited four bank branches in the nearby: Commerzbank Sparkasse Targo Bank Sparda Bank In Commerzbank I was told that the network system was “down” and that I should come back in the afternoon! In Sparkasse, Targo Bank und Sparda Bank, I was told that I needed to provide 3 payslips. How am I supposed to show the payslips if I still did not receive my ever first paycheck?! I concluded that the account opening procedure for new settlers in Germany is not that easy. And maybe the banks have their reasons. But I find it stupid not to study every case in its particularity one by one. Why the fuck do I need a conventional bank to deposit my salary? I do not need people. I need a system to store and retrieve money at my will! I went back to the studio and searched for online banks. There must be a solution. I am not the only immigrant who finds himself in this situation. I need a...

My Cisco Nexus Study Notes

The vPC technology is configured between two and only two Nexus switches. Catalyst switches provide no vPC functionality. The switches bound together in the vPC setting are called vPC peer switches . Unlike other stacking technologies like VSS, Nexus switches in a vPC configuration do not form a single control plane; they maintain their own control plane, and share a common control plane between them. That is why we can ssh into each Nexus switch seperately, while that is not possible in a VSS setup. vPC peer switches are linked together using at least 2*10Gbps links, configured in a port-channel. These links form what is called the vPC peer link . vPC peer switches maintain also what is called a vPC keepalive link. This is NOT a physical link, but rather a logical link that runs across the vPC peer link. Nexus switches in a vPC setup must be configured with something called a vPC domain . two vPC peer switches must have the same vPC domain value. vPC peer switches are taken from this...