Misterio: Ansible and Saltstack killer in docker
With bash & docker-compose as dependencies, Misterio is a agent-less super-customizable solution in few bash lines. Sorry Ansible/Saltstack/Puppet/Chef/…
IT Featured
IT Featured Articles on cool technologies, focused on System Administration and Programming Languages
Mail Server on Docker: sanity checks
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. …
QB64: basic Revenge
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
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 …
Mail Server on Docker (UPDATED)
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 …
Pybash
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 …
About 6502 emulator
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 …
Git History Squash for fun and profit
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 …
Avoid Kafka if unsure (think twice series)
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 …
Docker tips
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 …
Commander X16: retro magic dream
Some time ago I mentioned the Pyc64 project, a “differently emulated” C/64. There’s a much more ambitious project that’s going under pressure, it’s called Commander X 16. Commander X 16 has been started by David Murray and three other guys. David’s desire was to create an 8-bit computer similar to the C/64 but a little …
Ring – Cache interface as a programming language integration
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
Why DevOps
We just finished implementing a dev ops deploy toolchain able to compile,deploy, rollback all in automatic way. The objection of the dev team is “it is slow to deploy”. Yes, it is slower then manual copying file. But it is AUTOMATIC It provide a rollback procedure. It is rock solid. It works alone, at midnight. …
Terminal Screencam
https://asciinema.org/
isync: free IMAP and MailDir mailbox synchronizer
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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