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This coursebook is an introduction to programming in C by students and faculty from the University of Illinois, based on a crowd-source authoring wikibook experiment.

It covers programming in C, and system programming (processes, threads, synchronization, networking and more!).

Happy Reading! 🤓

cs241.cs.illinois.edu/coursebo

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Well Telegram is not great, I admit. But #Signal also has the same centralised surveillance system. SMS is the worst. There is no kind of encryption in SMS, and those unencrypted texts can stay in your cellular connection providers servers for years.
Btw if you want use #Telegram, use the F-droid version which is compiled from source.

invidio.us/watch?v=5FgEOchiDiA

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⚠️ PSA to all Germans ⚠️

Starting tomorrow, Telekom and Telefonica will hand over your phone's movement data to the government and other authorities.

It is opt-out, not opt-in!

Deactivate ASAP.

Telekom: optout-service.telekom-dienste

O2: telefonica.de/dap/selbst-entsc

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Being white, cis and male I have many privileges many other people do not have. There are people who need the protection of anonymity, or who look for help on the internet. There are people who are threatened by racists, homophobes or sexists, who reinvent their identity or who struggle with psychological problems. If you force people to express themselves only under their real name, it excludes their perspective. Forcing people to use their real names is nonsense.

#Klarnamenpflicht

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what all the major browsers do wrong:

-chrome: proprietary. is most definitely spying on you. rendering engine monopoly.

-edge: same problems as chrome but with a Microsoft coat of paint (and telemetry)

-brave: run by a homophobe and is an advertising platform. rendering engine monopoly

-safari: exclusive to a proprietary operating system. laughably low-quality

-opera: sells predatory loans. i'm not shitting you. inherits chrome's problems too

-firefox: a little bit of telemetry you can easily and provably disable

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"the revelations suggest that the sale of personal location data from commercial firms to the government is more widespread and has been going on longer than previously known."
protocol.com/government-buying

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Utter madness.

Clearview scraped billions of photos for its facial recognition app.

New docs reveal it's been used by more than 2,200 law enforcement departments, government agencies, and companies across 27 countries.
buzzfeednews.com/article/ryanm
.onion: bfnews3u2ox4m4ty.onion/article

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Salas XMPP en español

Breve listado temático actualizado de salas

Sobre Disroot:
disroot.es@chat.disroot.org

• comunidadhispana@chat.disroot.org
____

Sobre Software y Tecnologías libres
• fediverso@salas.suchat.org

• redeslibres@salas.suchat.org

• comunidadlatinadetecnologiaslibres@chat.disroot.org

• csl@salas.diaspora.com.ar

• tomatuordenador@salas.suchat.org
____

Multitemáticas
• sala@salas.undernet.uy
____

Sobre Cine, Series, Literatura, Música
• joya@salas.buzon.uy
____

Sobre Cocina
• cocinillas@salas.suchat.org
____

Sobre Filosofía
• agora@chat.disroot.org
____

Sobre Agroagricultura
• huertos@salas.suchat.org
____

Distribuciones GNU/Linux
• trisquel-es@conference.jabber.at

• debian-es@salas.suchat.org
____

Sobre XMPP
• xmpp-es@salas.suchat.org
____

Sobre DeltaChat
• delta-chat-cuba@chat.disroot.org


Alguna sala más para agregar y/o recomendar?


#salas #XMPP #español
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Encryption backdoors must never be allowed. To prove that Tutanota is free from any backdoor, the entire client code is published as open source. Let's fight against mass surveillance! ✊
tutanota.com/blog/posts/why-a-
#privacy #dataprotection #datasecurity #security #encryption #surveillance #backdoors

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So I was recently asked why I prefer to use free and open source software over more conventional and popular proprietary software and services.

A few years ago I was an avid Google user. I was deeply embedded in the Google ecosystem and used their products everywhere. I used Gmail for email, Google Calendar and Contacts for PIM, YouTube for entertainment, Google Newsstand for news, Android for mobile, and Chrome as my web browser.

I would upload all of my family photos to Google Photos and all of my personal documents to Google Drive (which were all in Google Docs format). I used Google Domains to register my domain names for websites where I would keep track of my users using Google Analytics and monetize them using Google AdSense.

I used Google Hangouts (one of Google’s previous messaging plays) to communicate with friends and family and Google Wallet (with debit card) to buy things online and in-store.

My home is covered with Google Homes (1 in my office, 1 in my bedroom, 1 in the main living area) which I would use to play music on my Google Play Music subscription and podcasts from Google Podcasts.

I have easily invested thousands of dollars into my Google account to buy movies, TV shows, apps, and Google hardware devices. This was truly the Google life.

Then one day, I received an email from Google that changed everything.

“Your account has been suspended”

Just the thing you want to wake up to in the morning. An email from Google saying that your account has been suspended due to a perceived Terms of Use violation. No prior warning. No appeals process. No number to call. Trying to sign in to your Google account yields an error and all of your connected devices are signed out. All of your Google data, your photos, emails, contacts, calendars, purchased movies and TV shows. All gone.

I nearly had a heart attack, until I saw that the Google account that had been suspended was in fact not my main personal Google account, but a throwaway Gmail account that I created years prior for a project. I hadn’t touched the other account since creation and forgot it existed. Apparently my personal Gmail was listed as the recovery address for the throwaway account and that’s why I received the termination email.

Although I was able to breathe a sigh of relief this time, the email was wake up call. I was forced to critically reevaluate my dependence on a single company for all the tech products and services in my life.

I found myself to be a frog in a heating pot of water and I made the decision that I was going to jump out.

Leaving Google

Today there are plenty of lists on the internet providing alternatives to Google services such as this and this. Although the “DeGoogle” movement was still in its infancy when I was making the move.

The first Google service I decided to drop was Gmail, the heart of my online identity. I migrated to Fastmail with my own domain in case I needed to move again (hint: glad I did, now I self host my email). Fastmail also provided calendar and contacts solutions so that took care of leaving Google Calendar and Contacts.

Here are some other alternatives that I moved to:

Gmail → Fastmail → Self-hosted (via Cloudron)
Google Contacts → FastmailNextcloud Contacts
Google Calendar → FastmailNextcloud Calendar
Google Search → BingDuckDuckGo
Google Maps → Bing MapsOpenStreetMaps and OsmAnd
Google Analytics → Matomo Analytics
Google Drive → Nextcloud Files
Google Photos → Nextcloud Files/Gallery
Google Docs → Collabora Office (Nextcloud integration) and LibreOffice
Google Play Music → Spotify / PlexSpotify / Jellyfin
Google Play Movies/TV → PlexJellyfin
Google Play Audiobooks/Books → Audible/Kindle
Google Play Store (apps) → F-Droid / Aurora Store
Google Android → Lineage OSUbuntu Touch on PinePhone (coming soon?)
Google’s Android Apps → Simple Mobile Tools
Google Chrome → Mozilla Firefox
Google Domains → Hover
Google Hangouts → Matrix and Nextcloud Talk
Google Allo → Signal
Google Podcasts → PocketCastsAntennaPod
Google Newsstand → RSS
Google Wallet → PayPal and Cash App
Google Voice →Ting Mobile

Migrating away from Google was not a fast or easy process. It took years to get where I am now and there are still several Google services that I depend on: YouTube and Google Home.

Eventually, my Google Home’s will grow old and become unsupported at which point hopefully the Mycroft devices have matured and become available for purchase. YouTube may never be replaced (although I do hope for projects like PeerTube to succeed) but I find the compromise of using only one or two Google services to be acceptable.

At this point losing my Google account due to a mistake in their machine learning would largely be inconsequential and my focus has shifted to leaving Amazon which I use for most of my shopping and cloud services.

The reason that I moved to mostly FOSS applications is that it seems to be the only software ecosystem where everything works seamlessly together and I don’t have to cede control to any single company. Alternatively I could have simply split my service usage up evenly across Google, Microsoft, Amazon, and Apple but I don’t feel that they would have worked as nicely together.

Overall I’m very happy with the open source ecosystem. I use Ubuntu with KDE on all of my computers and Android (no GApps) on my mobile phone. I’ve ordered the PinePhone “Brave Heart” and hope to one day be able to use it or one of its successors as a daily driver with Ubuntu Touch or Plasma Mobile.

I don’t want to give the impression that I exclusively use open source software either, I do use a number of proprietary apps including: Sublime Text, Typora, and Cloudron.

https://www.kylepiira.com/2020/01/09/why-i-quit-google/

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Learn how to send encrypted emails using PGP encryption with this simple guide.

After learning how to do it, I've become very interested to do it again. So if you want to practice it with me[please], feel free to DM me. Don't worry I'll not spam you.

Here's link for the guide:
emailselfdefense.fsf.org/en/in

#gpg #pgp #gnu #linux

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