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Intro to Linux and How to Learn Linux as a Newbie

LXer - 1 hour 53 min ago
So you finally decided to start learning and using Linux, but everything seems complicated and overwhelming? We’ll guide you through the learning curve and help you with actionable tips on how to get started with Linux.

Free Project Idea - Physical Internet

Reddit - 3 hours 17 min ago

Let's say things with ISP's go south in the near future, would it be possible to create a physical storage cache of popular websites and distribute like a daily subscription? Could you then call yourself an ISP?

I know people are working on distributed solutions, but this could fill a small niche if you don't really need to be connected to the Internet, basically setting up a small web front end on the client side.

submitted by /u/learntofail
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Debian Installer Stretch RC4 Released

Phoronix - 3 hours 31 min ago
The fourth release candidate of the installer for the upcoming Debian 9.0 "Stretch" release is now available...

while read line . How come that it does not generate a lot of IO load?

Reddit - 3 hours 35 min ago

This question is expanding the question that I suddenly realized should be valid in PHP (seeing obvious things is difficult, at least for me).

My point is,:while read line ; do ...code... done < file for a large file should generate a lot of IO requests due to the single line read from the file. If the file read is large with short lines.

Now I know that modern spinning commercial grade disk can handle around 100-150 IOps and SD cards should be around 50, so the code should be quite slow even just echoing the line read. (let's say the latency between printed lines should be noticeable)

It is different when one reads a lot of bytes at once (like with the dd switch bs=16K ), in that case the speed of reading sequentially a file (if the file is not fragmented) is more indicative than the IOps, but a sequential read won't generate that much of IO request because every IO reply would carry a lot of payload, not just a single line of data.

Said that, one can quickly verify that reading single lines is super fast (for the eye at least), why?

Is there a sort of buffering implied in the read application or is the OS prefetching the file? (so maybe similar settings are used for PHP)

Maybe also the memory controller in itself does prefetch the data?

I mean I also know that caching data is possible but foresee a read request is not always returning a cache hit, so prefetching may help, but where is it done?

submitted by /u/pier4r
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The Linux port of Dawn of War III will use both OpenGL and Vulkan

LXer - 3 hours 47 min ago
Feral Interactive have just announced some exciting news! The Linux port of Dawn of War III will come with OpenGL as the default, but like with Mad Max you will be able to check a box to enable Vulkan!

Airlie Is Looking At Tournier's Soft FP64 Work For R600-Rats

Phoronix - 5 hours 11 min ago
A few days ago I wrote about David Airlie's work on a new "r600-rats" branch where he's working on bringing up OpenGL 4.2 support to more Radeon HD 5000/6000 series hardware on R600g that's currently limited to OpenGL 3.3. Some questions arose about the FP64 support...

Top 5: Internet-in-a-Box on the Raspberry Pi, strengths of the D programming language, and more

LXer - 5 hours 41 min ago
In this week's Top 5, we highlight internet access with the Internet-in-a-Box on the Raspberry Pi, the features of the D programming language that makes it great for collaborative software development, how to use the SquuezePi to create a streaming music system for the home office, a longtime Python developer's software engineering rules and testing best practices, and an introduction to the IRC client, Riot.

How to use sed to find and replace text in files in Linux / Unix shell

LinuxToday - 6 hours 35 min ago

Nixcraft: How do I use the sed command to find and replace on Linux or UNIX-like system?

Do I make the change?

Reddit - 6 hours 48 min ago

Hey guys, life long windows user here,

I am a currency trader, and I don't use much in the way of softwares,

I use the following: Metatrader 4, Firefox, telegram, Skype, Microsoft OneNote, VLC media player, veracrypt, calibre ebook manager, tor, slack, and a couple of games (AoE collection, hearth stone, etc)

I'm getting rather pissed with Microsoft, they're invading my privacy and annoying the hell out of me. I would like to leave, I hate someone giving me no privacy, but windows works with everything I have

Does anyone have a suggestion?

I keep debating Linux, but it seems a lot to learn to do the same jobs I do now

Thanks!

submitted by /u/brucey2343
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Any printed Linux magazines?

Reddit - 6 hours 56 min ago

Are there any good printed Linux magazines or other sorts of publication I could subscribe to?

submitted by /u/owenthewizard
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