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Tag Archives: unix
Ubuntu 20 LTS failed me (only for servers install…:)
On 2023 Ubuntu 18 LTS support will end, so I started to evaluate the next LTS release, Ubuntu 20.
Posted in English Content, Software
Tagged debian, unix
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Bash TCP conection feature
Bash support tcp connection out of the box :) So you can write something like #!/bin/bash webhost="gioorgi.com" exec 5<>/dev/tcp/$webhost/80 echo -e "GET / HTTP/1.1\r\nHost: $webhost\r\nContent-Length: 0\r\n\r" >&5 # get reply: HTTP/1.1 301 Moved Permanently^M cat <&5
Evolution of Service Architecture
Assembly: the only way In principle there was only one: assembly machine language. Hardware and software engineer was a one-role. The guy who was able to project a chip, was the one who was able to program it. Then Fortan … Continue reading
Posted in English Content, IT Featured
Tagged concurrency, horizontal scaling, k8s, SOA, unix
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dos2unix for poor basic unix
Do you have cygwin base install right? So no dos2unix…you can convert a windows file to unix format with a small tr command like tr -d '\15\32' < winfile.txt > unixfile.txt I prefer the awk way of life: [bash] awk … Continue reading
Posted in English Content, Knowledgebase
Tagged awk, cygwin, unix
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RaspberryPi 2 Model B SD Life Extender
“The most dangerous phrase in the language is, We’ve always done it this way” – Grace Hopper I am a very happy owner of a RaspberryPi Model B 2, a quad core ARMv7 computation unit for a price between 45 … Continue reading
Posted in IT Featured, Knowledgebase
Tagged maker, raspberrypi, unix
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Debian perfect work environment
Working in a big company, my work laptop came with MS-Windows7 Enterprise installed. But as you imagine, Unix is my preferred desktop environment. So let’s how to configure a perfect Debian Linux for a old wolf consultant like me. You … Continue reading
Posted in English Content, IT Featured, Software, Unix
Tagged ibm, it works on my machine, linux, oracle, unix, virtual box, virtualization
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Bash secret powers
Bash scripting has evolved a lot in the last ten years. I get used to relay on bash for all normal “data domination” tasks (like file system refactorings, database extraction and reporting and so on) and switching to python/ruby/perl when … Continue reading