#Linux online course

[highskyit]

Cloud Computing Courses in Ahmedabad

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[emblogicsblog]

Embedded Linux ARM

Embedded Linux: The Heart of Modern Devices Embedded Linux is a lightweight version of the Linux operating system, optimized for embedded systems- specially designed computing devices whose purpose is to be integrated into any hardware. Embedded Linux has been widely used in IoT devices, automotive systems, industrial automation, and more in the application mainly because of its elasticity and efficiency.

Embedded Linux is designed to run effectively within constrained resource environments unlike traditional operating systems. Another key advantage of Embedded Linux is that developers can customize the kernel and software stack according to specific hardware requirements. Its scalability and robust community support give access to a large number of libraries and tools, reducing development time and cost. Moreover, because of its real-time processing capabilities and multiple communication protocol support, it has received immense importance in robotics, medical appliances, and smart appliances. Through its Embedded Linux course, Emblogic offers comprehensive training to meet the ever-increasing demand for skilled professionals in this field. This hands-on program equips participants with the knowledge and skills required to work with Embedded Linux systems, covering essential topics like kernel programming, device drivers, and system optimization. Emblogic has designed its curriculum to be industry-aligned, ensuring students are adequately equipped to face real-world challenges in this exciting domain. Therefore, for fresh professionals, Embedded Linux and its training at Emblogic lead to richer career opportunities in developing embedded systems.

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[webtechno09]

Webasha | Red hat Linux Course RHCSA CCNA Azure AWS GCP CKA DevOps Python Ethical Hacking Classes

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[udemycoursefree]

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[mcito]

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[emexotechnologies]

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[algotutor23]

course for data structures and algorithms

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[stellophiliac]

how to build a digital music collection and stuff

spotify sucks aaaass. so start downloading shit!!

file format glossary

.wav is highest quality and biggest

.mp3 is very small, but uses lossy compression which means it's lower quality

.flac is smaller than .wav, but uses lossless compression so it's high quality

.m4a is an audio file format that apple uses. that's all i really know

downloading the music

doubledouble.top is a life saver. you can download from a variety of services including but not limited to apple music, spotify, soundcloud, tidal, deezer, etc.

i'd recommend ripping your music from tidal or apple music since they're the best quality (i think apple music gives you lossless audio anyway. .m4a can be both lossy and lossless, but from the text on doubledouble i assume they're ripping HQ files off apple music)

i also love love love cobalt.tools for ripping audio/video from youtube (they support a lot of other platforms too!)

of course, many artists have their music on bandcamp — purchase or download directly from them if you can. bandcamp offers a variety of file formats for download

file conversion

if you're downloading from apple music with doubledouble, it spits out an .m4a file.

.m4a is ok for some people but if you prefer .flac, you may wanna convert it. ffmpeg is a CLI (terminal) tool to help with media conversion

if you're on linux or macOS, you can use parameter expansion to batch convert all files in a folder. put the files in one place first, then with your terminal, cd into the directory and run:

for i in *.m4a; do ffmpeg -i "$i" "${i%.*}.flac"; done

this converts from .m4a to .flac — change the file extensions if needed.

soulseek

another way to get music is through soulseek. soulseek is a peer-to-peer file sharing network which is mainly used for music. nicotine+ is a pretty intuitive (and open-source) client if you don't like the official one.

you can probably find a better tutorial on soulseek somewhere else. just wanted to make this option known

it's bad etiquette to download from people without sharing files of your own, so make sure you've got something shared. also try to avoid queuing up more than 1-2 albums from one person in a row

tagging & organizing your music

tagging: adding metadata to a music file (eg. song name, artist name, album) that music players can recognize and display

if you've ripped music from a streaming platform, chances are it's already tagged. i've gotten files with slightly incorrect tags from doubledouble though, so if you care about that then you might wanna look into it

i use musicbrainz picard for my tagging. they've got pretty extensive documentation, which will probably be more useful than me

basically, you can look up album data from an online database into the program, and then match each track with its file. the program will tag each file correctly for you (there's also options for renaming the file according to a certain structure if you're into that!)

there's also beets, which is a CLI tool for... a lot of music collection management stuff. i haven't really used it myself, but if you feel up to it then they've got extensive documentation too. for most people, though, it's not really a necessity

how you wanna organize your music is completely up to you. my preferred filestructure is:

artist > album > track # track

using a music player

the options for this are pretty expansive. commonly used players i see include VLC, foobar2000, clementine (or a fork of it called strawberry), and cmus (for the terminal)

you can also totally use iTunes or something. i don't know what audio players other systems come with

i personally use dopamine. it's a little bit slow, but it's got a nice UI and is themeable plus has last.fm support (!!!)

don't let the github page fool you, you don't have to build from source. you can find the releases here

click the "assets" dropdown on the most recent release, and download whichever one is compatible with your OS

syncing

if you're fine with your files just being on one device (perhaps your computer, but perhaps also an USB drive or an mp3 player), you don't have to do this

you can sync with something like google drive, but i hate google more than i hate spotify

you can get a free nextcloud account from one of their providers with 2GB of free storage. you can use webDAV to access your files from an app on your phone or other device (documents by readdle has webDAV support, which is what i use)

disroot and blahaj.land are a couple providers i know that offer other services as well as nextcloud (so you get more with your account), but accounts are manually approved. do give them a look though!!

if you're tech-savvy and have an unused machine lying around, look into self-hosting your own nextcloud, or better yet, your own media server. i've heard that navidrome is a pretty good audio server. i unfortunately don't have experience with self-hosting at the moment so i have like zero advice to give here. yunohost seems to be a really easy way to manage a server

afterword

i don't know if any of this is helpful, but i just wanted to consolidate my personal advice in one place. fuck big tech. own your media, they could take it away from you at any moment

[thewolfofthestars]

I finally got a new laptop! Yay! My geriatric 8-year-old can finally be sent to the retirement home (aka gathering dust in the closet because what if I need it later). And now I can run programs and perform tasks without it taking a dog's age! :D

But I did notice something in getting everything set up.

I've been a staunch Linux lad since I was very little--one of the few things my father and I actually agree on. And the new laptop came pre-installed with Windows 11, as most new non-Macs do, so I decided to partition a bit of the drive for it rather than wiping it completely, just in case I need Windows compatibility for school or work stuff, even if I spend the majority of my time in Ubuntu. (I had wanted to do that with my old machine, actually, but something went horrendously wrong in the process and it took two days to fix and my laptop briefly did not have a functioning OS on it at all lol.)

Now, I find Windows... unpleasant to use. And obviously part of that is just that I'm not familiar with it--the last time I had Windows on a personal computer was when I was 6 years old, and that thing ran Windows 2000 with a genuine CRT monitor and it was not connected to the internet and I spent my time playing King's Quest and MS Paint. I don't know where things are anymore, and the UX seems pretty uninterested in telling me.

Another issue is, of course, how bloated with ads and spyware it's become in recent iterations. I see where people are coming from when they decide to stick with Windows 7 or Vista or some other older version, even if I disagree with them for security and malware reasons--"person on previous version of Windows" is by far the largest and juiciest target for all manner of bad actors online.

But I think a really big core part of the problem is this: modern Windows is speaking a different language than I am. And the language it's speaking is that of phones, not of computers.

I only spent enough time on Windows to get it set up and strip away all the permissions I possibly could, and in that time I could tell: the default user Microsoft is designing this system for is people who are more familiar with Android and Apple than they are with a desktop computer. They made me log in with my email, rather than creating a device-specific profile. When I created my password they didn't even call it a password, they called it a "Hello Windows PIN". The format of the Settings page UI is nigh-identical to the one on my phone, right down to the list of access permissions siloed away by app (and yes, everything is called an app--no programs, no functions, no systems, no app*lications*, nothing else). I had to check a specific box to be able to look through my entire computer's file system, for crying out loud, rather than just browsing my Pictures and Downloads!

Hey, Windows! My laptop! Is not! A phone! And I don't want it to be! This is a computer OS for people who hate computers and I. HATE IT!

[highskyit]

Fix Deployment Fast with a Docker Course in Ahmedabad

Are you tired of hearing or saying, "It works on my machine"? That phrase is an indicator of disruptively broken deployment processes: when code works fine locally but breaks on staging and production.

From the perspective of developers and DevOps teams, it is exasperating, and quite frankly, it drains resources. The solution to this issue is Containerisation. The local Docker Course Ahmedabadpromises you the quickest way to master it.

The Benefits of Docker for Developers

Docker is a solution to the problem of the numerous inconsistent environments; it is not only a trendy term. Docker technology, which utilises Docker containers, is capable of providing a reliable solution to these issues. Docker is the tool of choice for a highly containerised world. It allows you to take your application and every single one of its components and pack it thus in a container that can execute anywhere in the world. Because of this feature, “works on my machine” can be completely disregarded.

Using exercises tailored to the local area, a Docker Course Ahmedabad teaches you how to create docker files, manage your containers, and push your images to Docker Hub. This course gives you the chance to build, deploy, and scale containerised apps.

Combining DevOps with Classroom Training and Classes in Ahmedabad Makes for Seamless Deployment Mastery

Reducing the chances of error in using docker is made much easier using DevOps, the layer that takes it to the next level. Unlike other courses that give a broad overview of containers, DevOps Classes and Training in Ahmedabad dive into automation, the establishment of CI/CD pipelines, monitoring, and with advanced tools such as Kubernetes and Jenkins, orchestration.

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[cyberstudious]

Free Resources for Learning Cybersecurity

I created this post for the Studyblr Masterpost Jam, check out the tag for more cool masterposts from folks in the studyblr community!

Free Online Courses

Linux Foundation Cybersecurity Courses - many of their beginner/introductory courses are free

Professor Messer's Security+ Course - a great intro to cybersecurity, gave me the skills to pass my Security+ exam

Khan Academy Cryptography - solid foundations for understanding the math behind encryption

ISC2's new entry level cert & training CC is free, although for a limited time

Linux Journey - learn Linux, the command line, and basic networking

Free CTFs & Ways to Practice

What is a CTF? - HackTheBox isn't a free platform, but this is a good article explaining what a CTF is and how to approach it

OverTheWire Bandit - practice your Linux skills

PicoCTF - this one already ran this year but their website has plenty of resources

Microcorruption - binary exploitation challenges

Hacker101 - web security CTF

Cryptopals Cryptography Challenges

Nightmare - binary exploitation & reverse engineering challenges

Cybersecurity News: follow what's happening in the industry

KrebsOnSecurity - security & cybercrime news, investigative journalism

SANS StormCast - daily 5-minute security news podcast

SANS Internet Storm Center - security blog posts

Cisco Talos blog - security news, threat intelligence & malware investigations

Schneier on Security - security & society

Black Hills Information Security webcasts

Darknet Diaries podcast

Other Free Resources

Trail of Bits's CTF Field Guide

PicoCTF Resources and Practice

SANS Cheat Sheets - all areas of security & tech

OWASP Cheat Sheets - application security & web attacks

LaurieWired's YouTube channel - high-quality videos on low-level tech

LiveOverflow's YouTube channel - binary exploitation

SANS Webinars

Cybersecurity Certifications Roadmap

Cybersecurity Job Supply and Demand Map (for the U.S.)

EFF's Surveillance Self-Defense - guides for how to protect yourself online

Don't Forget the Library!

If you have access to a public or school library, check out their technical books and see what they have to offer. O'Reilly and No Starch Press are my favorite publishers for technical and cybersecurity books, but be on the lookout for study guides for the Security+ and other certifications - these will give you a good introduction to the basics. I wrote more about cybersecurity books in yesterday's masterpost.

[hopeymchope]

The Danganronpa Another games (and the struggle to actually PLAY them)

Soooooooooooooo.... anybody know how to get these games running, perhaps on a Steam Deck?

Background:

It's looking unlikely we're going to see more Danganronpa Proper any time soon, so it's only natural that I'd be starting to look into fangans to try and find something to whet my appetite.

Doing that makes it quickly become clear that there are no "fangan" games as beloved or popular as the Korean-made Danganronpa Another duology. The second is particular beloved online, but of course I want to experience them in storyline order.

I'm also a firm believer that playing a game for yourself is fundamentally different than watching a let's play or whatever. There's nothing like the firsthand experience. Why would you EVER separate yourself from embodying the characters, being a part of the experience? You're losing so much.

The other problem here is that I don't want to try playing them on PC. Because (1) I'm only ever sitting at my PC when I'm working, and (2) it's pretty far isolated from everyone else in the house. I don't want to be sitting at my day-job workstation, alone, trying to get through these things.

But hey... I have other devices. And since the first Danganronpa Another is just an RPGMaker game, that seems simple enough to get running in theory..... right???

Last fall (2024), I tried to get the first "Danganronpa Another ~ Another Despair Academy ~" running on an Android gaming handlheld I have. I managed to play through the Prologue (see above) before... yeah, it died on me. It was too big a file for my handheld to manage, and it couldn't run the rest.

My next logical course of action, then, is to try and play these on a Steam Deck. But the Steam Deck is a damned Linux device. What I DON'T know about Linux could just about squeeze into the Grand fuckin' Canyon.

So uh. That's a current ongoing mission.

If anyone out there knows anything about how to get this going, can you let me know?

[am-i-the-asshole-official]

AITA for refusing to fix my sister's computer after she "broke" it?

I (17M) have a 15yo sister who is currently in possession of a laptop set up with Linux. This is technically her school computer, but she uses it during the summer to watch shows and play computer games, among other things teen girls do online. Recently, she's been trying to fix it after it blacked out when she was using it. She told me that when she was watching something online and the screen went black, the computer restarted and showed a weird interface. Essentially, something that wasn't the desktop. Internet search results told her that Linux wasn't able to boot properly.

She doesn't know much about computers/Linux, so she's been going online and trying to do research. Nothing has yielded any results. I told her to go to our dad, who is a seasoned computer engineer who knows a lot about coding and Linux. (He was literally the one who installed the program onto her laptop.) She broke down and said that she didn't want to take it to our dad, since he would get mad and yell at her for being "too stupid" to do it herself. Honestly, our dad does have a problem with loosing it whenever anyone comes to him with technological questions. She's also worried that he'll see the tabs that were open when the computer blacked out - she has fanfiction and Tumblr accounts that she's afraid he will see - and is staunchly refusing to take the computer to him.

After doing some more extensive research, she came to me and asked me to fix it, since I am planning on majoring in computer science. I don't know anything about what's happening with her computer, and I don't want to spend a lot of time working on the problem when I am already taking multiple college-level courses. I also don't want to insert myself in any possible drama that may ensue if she has to take it to our dad. She will need this computer for her school by next week, so she can't avoid the problem forever. She's been giving me the cold shoulder ever since I told her I don't want to waste time fixing what she may or may not have caused in the first place. AITA?

What are these acronyms?

[mcito]

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[emme-likes-words]

I don't like Arch Linux, and let me tell you why.

First, one of the major "selling" points of Arch is that it's light. However, if your computer isn't from, like, 1856, the amount of "bloatware" on something like Mint is insignificant, and there won't be a noticeable difference in performance between that and Arch. If your PC is powered by a potato battery and has a raw chunk of quartz as a processor, then sure, Arch might be for you. But if you're one of those people with 128 gigs of RAM and a 4090, then you have no reason to avoid bloatware like it's the plague. Besides, "bloated" distros are already much lighter than Windows, which is what the average person uses. Second, another major "selling" point is that you'll learn all about your setup. And that's partially true; you'll learn what programs do what, because you installed them all yourself. But after a while, that's done. Anything else you wanna learn, you have to go out of your way to do it, and if you have to go out of your way to learn, you could have probably learned that on PopOS or Mint. And besides, if you really want to learn Linux, using Arch isn't the way to go, studying is. Take a class or go on an online course. That'll teach you more than any OS ever could. Then, there's the whole "you have control over your system" thing. And to that, I say: You're on Linux. Almost every OS gives you control over your system. You can customize Mint as much as you can customize Arch. I would know, I use Mint with i3, and it works great. Super customizable, I don't have to put up with all the struggle that comes with Arch, and I have all the features that come with Mint. It's lovely. That just leaves the cool factor, which is a valid reason to use Arch, but I find it wears off rather quickly. After a certain point, having to tinker isn't cool, it's annoying.

To summarize my last three points: All distros let you tinker, but Arch makes you tinker, and tinkering is much less fun when you have to do it. To conclude this post: I don't see many reasons to use Arch in a personal-use PC, but if you find a reason I haven't listed here, I would love to hear it! And if you're considering using Arch, don't let me stop you. It's not for me, but maybe it's for you. Only one way to find out.

[not-poignant]

Hi Pia.

I want to ask— do you backup your wips? How do you do it?

I know there are things like Cloud and Dropbox but those are practically at the mercy of big corporations and with ai scraping now being the norm it feels risky saving work with online backup.

Do you use a USB instead?

Unfortunately nothing is risk-free these days.

I once saved a story to three different USBs, all different brands, and they all corrupted. Not all at the same time, but they all eventually lost the data. This was over a period of ten years, but of course some people have been relying on USBs etc. for this long now. Same with CDs burnt with data (something we used to do before USBs were cheap).

In fact a new study shows that over half of all external hard drives and USBs over a certain age (I think around 5 years) are already corrupted and often not being checked enough to check if they're still containing/keeping the data necessary. (To say nothing of entire batches of like Seagate and other brands being notorious for literally just...losing data and corrupting at any point in time - which is an issue for actual hard drives within the computer as well).

USBs and external HDs aren't necessarily safer.

In general it's a good idea to back up in three places, though this still isn't enough to guarantee safety. Those three places should be: a) hard copy (i.e. USB or external hard-drive), b) cloud copy (i.e. Dropbox etc.), c) on the machine itself (if it's a desktop). You can sometimes do like, a + a + c or b + b + a etc.

It still doesn't guarantee preservation of data! I think that's the hardest thing about preserving data and back-ups overall.

I have an extra bonus 'back up' in that 99.5% of all my writing is already public. And that a lot of that writing has additionally been snapshotted into the Wayback Machine. If all my methods somehow corrupted or failed, I could literally copy/paste my stories from AO3 back into Word documents (in fact I've actually done this before because I frequently go back in and edit AO3 chapters for typos etc. but don't mirror those changes in the original documents, so sometimes if I want to update a story, I'll copy/paste the AO3 chapter and override the original document).

Anyway, I use Dropbox Business (cloud), hard external copy (though not as often as I should), desktop version, and then also the AO3 version. Dropbox Business has additional data recovery protections that general Dropbox accounts don't.

We are always at the mercy of big corporations, anon. Big corporations make USBs. They make faulty external hard-drives that we sometimes mistakenly trust. Like no, they're not scraping for AI the same way, but I no longer believe - unfortunately - that this is truly preventable. Short of going a grassroots Linux direction, which...I can't, lol.

(This is a reminder to all writers: Back-up your writing! The beginning of the year is a good time to remember to do it, if you're not doing it every 3 months).

(And also, check all your USB/external hard drives! And make sure they're not your only source for that content, because you would not believe how much they degrade over time.)

If I ever needed a 5th option, I host my own domain and have done so through the same company for over 10 years with very high fidelity, and I would just dump it all into a database there so I could pull it back if necessary. That's not ideal (it's probably the easiest way I could be hacked because I check into the cpanel the least often), but it's doable.

But yeah I've been Dropbox Business for a long time. I don't like everything about them, but I trust them a lot more than Microsoft OneDrive (which I refuse to use) and many other cloud networks.

As for AI scraping, since 99.5% of my stuff is on AO3, it's already been scraped, and it's delusional of me to think it hasn't been. I have already had the majority of my art scraped into Midjourney, so sadly I've reached a level of disgusted acceptance that the gormless unethical billionaires of the world will just do what they want. If it has an internet connection to it, it's probably been scraped or will be scraped and putting something on a USB isn't going to stop that, because it needs to come off a USB if I want to work on an ongoing story.