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HowTos

Write fast 3D software without a PhD

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Software
HowTos

fosswire.com: There are two kinds of fast in programming: Fast to code and fast to run. 3D applications and games are known to be speedy. But the time it takes to write and understand the code behind it? Not so much. On the flipside, many abstraction layers designed to make coding easier usually aren’t very efficient. So where’s the median?

Some great howtos:

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HowTos
  • Debian: using chroot ubuntu

  • Networking with Ubuntu 8.04 and Windows Part 1
  • Monitoring with Munin
  • How about some WINE with your Linux?
  • HowTo: Using SCP
  • Install VMware Tools In Ubuntu
  • Enabling Media Keys
  • Using apt in an RPM world
  • Quickly surveying free disk space on UNIX and Linux
  • Mandriva 2008 - How to configure Broadcom BCM94311MCG
  • Mandriva Linux Upgrades from Repositories Using urpmi

Inside Users and Accounts

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HowTos

pcmag.com: Like Windows, Linux allows multiple user accounts on the same installation. Each account limits its user in specific ways—folder and hardware access, settings control, and so on.

few more howtos:

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HowTos
  • Securing Your Linux Or Unix System - Part 4a

  • Howto Install Gimpshop in Ubuntu Hardy
  • Bash Functions
  • Resolving OpenSUSE 11.0 Sound Issue With Some Audigy Cards
  • Crazy Ubuntu and getting Openbox running
  • OpenVPN on Fedora 9
  • KDE Tip - Switching NumLock On at the KDE Login Screen
  • openSUSE 11.0 Get rid of pulse audio

CPU frequency scaling in Linux

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HowTos

idebian.wordpress: The recent CPUs have a feature which let them scale their operating frequency (changing a voltage power supply input) according to the system/user needs. This post addresses the frequency scaling setup in Linux.

few howtos:

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HowTos
  • Emacs Quick Introduction

  • Firefox 3 and Color Management
  • Firefox Shortcut Keys
  • Running Binary nVidia Drivers under Xen Host
  • Gestikk - mouse gesture recognition in Ubuntu
  • What is GRUB or a bootloader?
  • Starting out with the Eee PC

Embedding Python In Apache2 With mod_python (Debian Etch)

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HowTos

This tutorial shows how to install and use mod_python on a Debian Etch server with Apache2. mod_python is an Apache module that embeds the Python interpreter within the server. It allows you to write web-based applications in Python that will run many times faster than traditional CGI and will have access to advanced features such as ability to retain database connections and other data between hits and access to Apache internals.

and a few more howtos:

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HowTos
  • Linux and Unix Software Security Basics - Part 3

  • du - Shows the disk space a file or directory is using in your disk
  • Beating Sandvine on Linux with iptables
  • Making Sense of Gentoo’s USE Flags
  • Moving a window in GNOME
  • Firefox 3 on Ubuntu

few more howtos:

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HowTos
  • nVIDIA 8800 on Debian

  • Fixing Fonts in Opera on Ubuntu
  • Repair Ubuntu boot menu
  • Managing Resources in Ubuntu 8.04
  • Set Up a Custom Worksheet with KSysGuard
  • How to enable dual monitors with ATI diplay card in linux

few howtos:

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HowTos
  • List Install Pkgs on Ubuntu

  • 'uname -a' Explained
  • Audio-convert-mod a tool for converting audio file in linux
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More in Tux Machines

Oracle's Exadata (GNU/Linux-powered) and VirtualBox 5.2 Beta

  • Oracle Brings Bare Metal Exadata Performance to the Cloud
    Oracle's Exadata Cloud Service price list for non-metered services currently starts at a list price of $55,000 a month. For that price, organizations get the Oracle Database Exadata Cloud Service with a quarter-rack bare-metal Exadata X6 system.
  • Oracle Outs Second VirtualBox 5.2 Beta to Support Red Hat Enterprise Linux 7.4
    Oracle's Director of Product Management Simon Coter was pleased to announce on Wednesday the release and immediate availability for download of the second VirtualBox 5.2 Beta. VirtualBox 5.2 is currently under heavy development, and a first Beta release was published a week ago, giving users a glimpse at the major new features coming to the open-source and cross-platform virtualization software from Oracle. Focusing on improvements and regression fixes for the first Beta, VirtualBox 5.2 Beta 2 is here today to introduce support for the recently released Red Hat Enterprise Linux 7.4 operating system in the Linux Additions component.

The future of Python and when not to use a regex

  • The future of Python: Concurrency devoured, Node.js next on menu
    The PyBay 2017 conference, held in San Francisco over the weekend, began with a keynote about concurrency. Though hardly a draw for a general interest audience, the topic – an examination of multithreaded and multiprocess programming techniques – turns out to be central to the future of Python. Since 2008, the Python community has tried to reconcile incompatibility between Python 2 and newly introduced Python 3. For years, adoption of Python 3 was slow and some even dared to suggest Python didn't have a future. As late as last year, Zed Shaw, an accomplished developer and author of the popular Learn Python the Hard Way, even ventured to opine, "There is a high probability that Python 3 is such a failure it will kill Python." Despite these unsubstantiated odds, Shaw – a polarizing figure for some Pythonistas – this year released a version of his book for Python 3.
  • When not to use a regex
     

    A regex is useful for validating simple patterns and for finding patterns in text. For anything beyond that it’s almost certainly a terrible choice.

Linux: Cloud Foundry, HMM, AMD Radeon and NVIDIA

  • Navigating Cloud Foundry
    This open source platform-as-a-service cloud platform bridges the gap between legacy applications and cloud services. For all the talk about the cloud, many applications continue to run on traditional servers. Hybrid architectures are sometimes the right option, but if you want to move corporate applications onto the Internet, you don’t want to start from scratch. Cloud Foundry, a platform-as-a-service (PaaS) cloud platform, enables enterprises to move older software to the cloud and build new cloud-centric programs using familiar tools and programming languages.
  • HMM Revised Its 25th Time, Seeking Inclusion In Linux 4.14
    Jerome Glisse of Red Hat has published his 25th revision to the Heterogeneous Memory Management (HMM) patch series. HMM is about allowing a process address space to be mirrored and for system memory to be transparently used by any device process. With HMM v25, there are more code comments and documentations, fixes to the code, merging the HMM-CDM patches into this patch series, and other improvements.
  • Radeon X.Org Driver Gets Fixed Up To Always Allow Page-Flipping With TearFree
    It's fairly rare these days seeing improvements to the xf86-video-ati DDX: the driver for those running a pre-AMDGPU (GCN 1.2) graphics card with this driver paired with Radeon DRM and not using the generic xf86-video-modesetting driver instead. But if you are using xf86-video-ati and use the "TearFree" feature to try to avoid screen tearing, a number of patches landed today. Michel Dänzer of AMD landed a handful of patches to the xf86-video-ati Git repository today for the Radeon DDX. Notably the patches make for always allowing DRI2 page-flipping to be used with TearFree and the same goes for DRI Present page-flipping with the TearFree option. Long story short, page-flipping should now always work in the TearFree mode.
  • NVIDIA Releases Vulkan 381.26.13 Beta Linux Driver
    NVIDIA's driver team has today released new Vulkan beta drivers for both Windows and Linux. The new NVIDIA Linux Vulkan beta is versioned at 381.26.13, so still not yet re-based to the current 384 series, but these changes should end up being merged for their next feature series to mainline.

Krita 3.2.0 Released

  • Krita 3.2.0 Released
    Later than planned, here’s Krita 3.2.0! With the new G’Mic-qt plugin integration, the smart patch tool, finger painting on touch screens, new brush presets and a lot of bug fixes. Read the full release notes for more information!. Here’s GDQuest’s video introducing 3.2.0:
  • Krita 3.2 Released For Leading Open-Source Digital Painting
    The Krita project has today announced version 3.2 is ready of their open-source, cross-platform digital painting program. Krita 3.2 features new G'Mic-qt plugin integration, a smart patch tool, finger painting on touch screens, new brush presets, a variety of fixes, and other minor improvements.