Knowledgebase – Gioorgi

Simple Html debug via CSS

October 21, 2020 October 20, 2020 / English Content, Knowledgebase / css, easy, ideas, web, wordpress / Leave a Comment

Add the following css lines to your CSS theme, possibly at the end div::before { content:” C:” attr(class) “” } *::before,*::after { color:red; font-weight:100; font-size:1.0em } and div classes will showup easily. Very handly while customizing WoooordPress :) This page show a demo.

AWS ECS is NOT Docker Swarm

August 15, 2020 September 14, 2020 / DevOps, English Content, Knowledgebase / aws / Leave a Comment

Amazon Elastic Container services (ECS) is the Amazon Solution for running docker containers on Amazon. ECS is not a docker swarm implementation. I am writing this article to stress this, because this point is not very clear digging in the tutorials (it is explained a bit in the question “What is the difference between Docker Swarm, …

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Mail Server on Docker: sanity checks

July 1, 2020 July 1, 2020 / English Content, Freedom, Knowledgebase / docker, mailserver, privacy / Leave a Comment

I have a shiny mail server on gioorgi.com. I decided to manage it on first person because it is important. I had some troubles sending mail to Hotmail: they banned my IP. So I find out this fantastic site which will check for you a tons of things, like correct DKIM signature and so on. …

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QB64: basic Revenge

June 27, 2020 June 28, 2020 / English Content, Knowledgebase, Software / basic, retro computing / Leave a Comment

Quick Basic64 is a QBasic compatible programming language actively mantained. It produce C-compiled code and works under Linux and MacOS too. It resemble the original QBasic IDE, and supports its dialect. If you have some old qbasic code to “update”, QB64 is your best friend:Give it a try!

runif

May 28, 2020 May 28, 2020 / English Content, Knowledgebase, Python, Software / bash, python / Leave a Comment

Idempotent and minimal python 3 library for rapid scripting. Provide support for creating file, adding data to them, patching and so on. Why? (Ba)sh scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it useful to have idempotent script, like Ansible and Saltstack …

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Mail Server on Docker (UPDATED)

April 21, 2020 May 5, 2020 / English Content, Freedom, Knowledgebase / docker, mailserver, privacy

Hosting your own email server is not a mandatory task; it increase your attack surface too. But relaying too much on big emails provider (Gmail, Outlook, Aruba, Fastmail) could be a risk for our democracy. For instance, who decide how Spam is managed (i.e. what could be a Spam email)? Can we trust big providers? Email …

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Pybash

January 15, 2020 May 28, 2020 / English Content, Knowledgebase, Python, Software / bash, python

The project has been renamed into “runif”. This page left only for Google Search happiness. Pybash is a python library to make python script as easy as in Bourne Again Shell (Bash). Bash scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it …

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About 6502 emulator

December 16, 2019 April 9, 2020 / Knowledgebase, Retro Computing / 6502, 8bit, c64, retro computing

I’d like to point you to this blog article about “cycle stepped” 6502 emulator. It is well described and can be a neat read for xmas vacation. Also author’s main project is all about A toolbox of 8-bit chip-emulators, helper code and complete embeddable system emulators in dependency-free C headers (a subset of C99 that …

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Git History Squash for fun and profit

December 12, 2019 February 14, 2020 / English Content, IT Featured, Knowledgebase / git, squash

Suppose you are developing a boring Jenkins pipline (like Jenkinsfile-s) with no time at all. You are forced to commit and then run the jenkins pipeline. Jenkins download the code from your LOCAL repository. To avoid commit& push roundtrip you are using the simple git daemon command to expose your local repository to jenkins. So …

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Avoid Kafka if unsure (think twice series)

December 2, 2019 December 2, 2019 / English Content, IT Featured, Knowledgebase, Structured Query Language (SQL) / java, kafka, nosql

Some co-workers started using Apache Kafka con a bunch of our Customers. Apache Kafka is a community distributed event streaming platform capable of handling trillions of events a day. Initially conceived as a messaging queue, Kafka is based on an abstraction of a distributed commit log[*]. To get this goal, Apache Kafka needs a complex …

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Docker tips

September 27, 2019 August 6, 2020 / English Content, Knowledgebase / devops, docker

Use docker in docker to drive docker from a container Working under windows, sometimes docker slow down. Sometimes you need to access to the MobyVM. With this line: docker run --rm -ti -v "/var/run/docker.sock:/var/run/docker.sock" -v /:/host docker sh you run a container which will removed upon exit. This container can access to docker daemon (via …

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Ring – Cache interface as a programming language integration

May 28, 2019 May 28, 2019 / English Content, Knowledgebase, Python / cache, python

Ring – Cache interface as a programming language integrationRing provides function-oriented cache interface for various backends. Repository: https://github.com/youknowone/ring/ Source: Ring – Cache interface as a programming language integration — Ring 0.7.2 documentation

Terminal Screencam

March 29, 2019 March 22, 2019 / Knowledgebase / relax

https://asciinema.org/

isync: free IMAP and MailDir mailbox synchronizer

February 8, 2019 February 4, 2019 / English Content, Knowledgebase / imap, synchronization

isync: free IMAP and MailDir mailbox synchronizerisync is a command line application which synchronizes mailboxes; currently Maildir and IMAP4 mailboxes are supported. New messages, message deletions and flag changes can be propagated both ways. isync is suitable for use in IMAP-disconnected mode.Synchronization is based on unique message identifiers (UIDs), so no identification conflicts can occur …

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Fail2Ban

January 28, 2019 February 1, 2019 / English Content, Knowledgebase, Unix / fail2ban, linux, security

On these days I decided to tune a bit my new shiny linux server box. I started to set up fail2ban. I think fail2ban is very imporant nowadays because it is a good example of a tool for slowing down attacks without closing your server too much. Fail2ban is a daemon: it wll monitor your …

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