ALLEGORIA DELLE FARFALLE – Attar – Una notte le farfalle si riunirono in assemblea, volevano conoscere che cosa fosse una candela. E dissero: “Chi andrà a cercar notizie su di essa?” La prima andò a volare intorno a un castello e da lontano, dall’esterno vide una luce che brillava. Tornò e con parole dotte la […]
Today a very rapid tutorial on how to modify motd, the messega the server prints when we login via ssh. Lets start by installing some prerequisites:
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aptitude install fortunes fortunes-bofh-excuses cowsay |
Now make a backup of the actual motd:
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cd /etc/update-motd.d/ mkdir backup mv * backup |
The last command will exit with error, never mind about it 🙂 Create our motd by writing the following […]
OpenCPU (https://public.opencpu.org/) is a software which allow to use R to produce data (text, graph, etc) and serve them using a webserver (apache or nginx if you enable cache server). Another similar software is Shiny (http://www.rstudio.com/shiny/) which use node.js. You must see what is the best solution for your needs 😉 I don’t now node.js, but […]
During the development of a web application, I had the need to make some graphs where mapping couples of latitudes and longitudes. There were many of those couples, more than 500000, making the graphs very ugly! The solution was to find which is the biggest city nearest every coordinates, so I can highligths the numbers […]
