Open-source News

How to read and write files in C++

opensource.com - Fri, 03/26/2021 - 15:02

In C++, reading and writing to files can be done by using I/O streams in conjunction with the stream operators >> and <<. When reading or writing to files, those operators are applied to an instance of a class representing a file on the hard drive. This stream-based approach has a huge advantage: From a C ++ perspective, it doesn't matter what you are reading or writing to, whether it's a file, a database, the console, or another PC you are connected to over the network.


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Why you should care about service mesh

opensource.com - Fri, 03/26/2021 - 15:01

Many developers wonder why they should care about service mesh. It's a question I'm asked often in my presentations at developer meetups, conferences, and hands-on workshops about microservices development with cloud-native architecture. My answer is always the same: "As long as you want to simplify your microservices architecture, it should be running on Kubernetes."


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10 open source tools for content creators

opensource.com - Fri, 03/26/2021 - 15:00

There are a lot of well-known open source applications used in web design, but there are also many great tools that are not as popular. I thought I'd challenge myself to find some obscure options on the chance I might find something useful.

Open source offers a wealth of options, so it's no surprise that I found 10 new applications that I now consider indispensable to my work.

Bulma


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LFCA: Learn User Account Management – Part 5

Tecmint - Fri, 03/26/2021 - 13:37
The post LFCA: Learn User Account Management – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

As a Linux system administrator, you will be tasked with ensuring the smooth flow of all IT operations in your organization. Given that some IT operations are intertwined, a systems administrator usually wears many

The post LFCA: Learn User Account Management – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Mesa's Intel Vulkan Driver Introduces A Null Hardware Layer

Phoronix - Fri, 03/26/2021 - 13:00
Intel's latest addition to Mesa 21.1 with their "ANV" Vulkan driver is... A null hardware layer...

Total War: Rome Remastered + Metro Exodus Coming To Linux In April

Phoronix - Fri, 03/26/2021 - 08:12
Besides Valheim, there hasn't been much in the way of native Linux game releases recently to really get excited about with much of the activity these days being through Valve's Steam Play for running Windows games on Linux. But in April there will be at least two high profile native Linux game releases...

QEMU 6.0 On The Way With LTO Support, AMD SEV-ES Guests, Multi-Process Experiment

Phoronix - Fri, 03/26/2021 - 04:12
This week marked the hard feature freeze for QEMU 6.0 along with the tagging of QEMU 6.0-rc0. The QEMU 6.0 release should happen around the end of April for this important piece of the open-source Linux virtualization stack...

AMD AOCC 3.0 Compiler Performance With The EPYC 75F3 - Making Fast Even Faster

Phoronix - Fri, 03/26/2021 - 00:30
Launched last week with the AMD EPYC 7003 "Milan" processors was the AOCC 3.0 code compiler as AMD's downstream of LLVM Clang with various patches now catering to optimized for Zen 3. Last week some preliminary benchmarks of AOCC 3.0 on the Ryzen 9 5950X were carried out to good results. Since then I have begun putting AOCC 3.0 through its paces on a AMD EPYC 7003 series server to overall great results.

PanVK Started For Open-Source Vulkan On Arm Mali GPUs

Phoronix - Thu, 03/25/2021 - 23:16
Panfrost has been the Gallium3D driver providing open-source OpenGL for Arm Mali Bifrost and Midgard GPus while now "PanVK" is in development as an open-source Vulkan driver...

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