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Howtos

The Lazy Guide to Installing Knoppix on a USB Key

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Howtos

Knoppix, the famous live Linux CD that practically started the live CD trend, needs no introduction to most people. One of the things that's so great about it is that you can take it with you and boot to a familiar Linux environment on almost any modern computer, without touching the OS that's already installed on it.

Backup Options for Linux secured (encrypted), and not secured

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Howtos

Backup your server, is always good as all of us knows, anyway is not always done as often as it should do. Here you will find some different methods to backup your system full or partial.

So should not be any more excuses of not backing up the data.

Backup Methods for Linux

The Magic of Simultaneous Contrast

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Howtos

The purpose of this article is to introduce the reader to the idea of simultaneous contrast and to the amazing effects of color interactions. Color is the single most important tool that artists and designers used throughout the ages to beautify their environment. But to use color effectively one has to understand its basic functions, its psychological and visual impacts on the environment.

Managing 4D Chart Documents and Windows

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Howtos

4D Chart documents can be created in plug-in areas on forms or in separate plug-in windows. Here we show you how to create, open, and save 4D Chart documents in both types of areas.
This article explains the basics of managing 4D Chart documents,including:

MiniTutor: MPlayer and Video Output

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Howtos

The MPlayer, Linux Movie Player, is an extraordinary video and audio player, and it has hundreds of options to use in order to do everything we wish to an audio or video file, one of these fantastic options are used to video output.

Minitutor from: GoblinX Minitutors

Howto: ATI fglrx driver + Xgl + compiz on Debian Sid for KDE users

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Howtos

A how-to on manually installing Xgl and compiz on Debian Sid, for KDE users, with the proprietary ATI graphics driver ("fglrx").

Grsecurity Patched Kernel Install Script For Redhat based Pentium 4 servers

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Howtos

After a lil work getting the config right for s hosting/shell server I finally came up with the script that will patch, compile, and install the gresecurity patched kernel. You just run the shell script and it will download the kernel and patch, patch the kernel, download the config, and then compile and install.

The config I got made up is for Pentium4/Xeon/Celeron based servers.

Fix Apf ipt_state error on new kernels

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For those using apf on the new kernels and getting ipt_state error, since 2.6.15 they changed the name of them kernel modules and apf does not recognize them. Do not enable monokern as some people suggest, this will screw up your passive ftp and will not work good

GrSecurity Kernel Script

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Howtos

GrSecurity kernel upgrade and patch script. Downloads the 2.6.17.7 kernel and the latest grsecurity patch and then unpacks and patches the kernel, after that it tells you what to do next.

Mod Security rules.

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After extenisve testing I have found what I think are the best mod security rules you can have for a basic server with average php scripts.

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More in Tux Machines

KDE4 and Plasma 5 for Slackware

  • KDE4 and Qt4 deprecation in FreeBSD
    This is a reminder — for those who don’t read all of the FreeBSD mailing lists — that KDE4 is marked deprecated in the official ports tree for FreeBSD, and will be removed at the end of this year (in about 20 days). Then Qt4 will be removed from the official ports tree in mid-march. Since both pieces of software are end-of-life and unmaintained upstream already for several years, the kde@ team at FreeBSD no longer can maintain them. Recent time-sinks were dealing with OpenSSL 1.1.1, libressl, C++17, .. the code is old, and there’s newer, nicer, better-maintained code available generally by replacing 4 with 5.
  • KDE Plasma 5 for Slackware – end of the year edition
    I just uploaded a whole new batch of packages containing KDE Plasma5 for Slackware. The previous batch, KDE 5_18.10 is already two months old and has some library compatibility issues. The new KDE 5_18.12 for Slackware consists of KDE Frameworks 5.53.0, Plasma 5.14.4 and Applications 18.08.3. All this on top of Qt 5.11.3. Compiled on the latest Slackware -current, it’s running smoothly here on my laptop. I decided against upgrading to QT 5.12.0. This is a new LTS release, but I will wait for the other distros to find bugs in this new software. Next week, KDE will release KDE Applications 18.12.0 and that too is something I want to check a bit before releasing Slackware packages. Therefore it’s likely that a new batch of packages containing Qt 5.12 and KDE Applications 18.12 will see the light shortly after the New Year.

Programming: GCC, LLVM, Rust, Ruby and Python

  • GCC 9 Guts Out The PowerPC SPE Support
    It should come as no surprise since it was deprecated in this year's GCC 8 release, but the PowerPC SPE code has been removed. This isn't to be confused with conventional POWER/PowerPC but rather PowerPC SPE that is for the "Signal Processing Engine" on older FreeScale/IBM cores like the e500. It's not all that important these days and doesn't affect newer versions of the 64-bit Power support.
  • LLVM's OpenMP Runtime Picks Up DragonFlyBSD & OpenBSD Support
    Good news for those using the LLVM Clang compiler on OpenBSD or DragonFlyBSD: the OpenMP run-time should now be supported with the latest development code.
  • Nick Cameron: Rust in 2022
    In case you missed it, we released our second edition of Rust this year! An edition is an opportunity to make backwards incompatible changes, but more than that it's an opportunity to bring attention to how programming in Rust has changed. With the 2018 edition out of the door, now is the time to think about the next edition: how do we want programming in Rust in 2022 to be different to programming in Rust today? Once we've worked that out, lets work backwards to what should be done in 2019. Without thinking about the details, lets think about the timescale and cadence it gives us. It was three years from Rust 1.0 to Rust 2018 and I expect it will be three years until the next edition. Although I think the edition process went quite well, I think that if we'd planned in advance then it could have gone better. In particular, it felt like there were a lot of late changes which could have happened earlier so that we could get more experience with them. In order to avoid that I propose that we aim to avoid breaking changes and large new features landing after the end of 2020. That gives 2021 for finishing, polishing, and marketing with a release late that year. Working backwards, 2020 should be an 'impl year' - focussing on designing and implementing the things we know we want in place for the 2021 edition. 2019 should be a year to invest while we don't have any release pressure. To me, investing means paying down technical debt, looking at our processes, infrastructure, tooling, governance, and overheads to see where we can be more efficient in the long run, and working on 'quality of life' improvements for users, the kind that don't make headlines but will make using Rust a better experience. It's also the time to investigate some high-risk, high-reward ideas that will need years of iteration to be user-ready; 2019 should be an exciting year!
  • A Java Developer Walks Into A Ruby Conference: Charles Nutter’s Open Source Journey
    As a Java developer, Nutter began looking for an existing way to run Ruby within a Java runtime environment, specifically a Java virtual machine (JVM). This would let Ruby programs run on any hardware or software platform supported by a JVM, and would facilitate writing polyglot applications that used some Java and some Ruby, with developers free to choose whichever language was best for a particular task.
  • Good ciphers in OpenJDK
  • Don’t delete the same file in its own directory
  • Create a home button on the pause scene

Audiocasts/Shows: Going Linux, Linux Thursday and More

  • Going Linux #358 · Listener Feedback
    This month we have voice feedback from Paul, suggestions on alternatives for G+, a question on OpenVPN, feedback and problems moving to Linux. Troy provides a Going Linux story on software for Linux users.
  • Linux Thursday - Dec 6, 2018
  • Gnocchi: A Scalable Time Series Database For Your Metrics with Julien Danjou - Episode 189
    Do you know what your servers are doing? If you have a metrics system in place then the answer should be “yes”. One critical aspect of that platform is the timeseries database that allows you to store, aggregate, analyze, and query the various signals generated by your software and hardware. As the size and complexity of your systems scale, so does the volume of data that you need to manage which can put a strain on your metrics stack. Julien Danjou built Gnocchi during his time on the OpenStack project to provide a time oriented data store that would scale horizontally and still provide fast queries. In this episode he explains how the project got started, how it works, how it compares to the other options on the market, and how you can start using it today to get better visibility into your operations.

Best Lightweight Linux Distros for Older Computers

Don’t throw away that old Pentium III tower and CRT monitor just yet! While that old laptop in the closet may not be able to run Windows 10 or macOS Mojave, it doesn’t mean it’s destined for the dump. Many Linux distributions are made specifically for utilizing the ancient, underpowered hardware found in older machines. By installing these lightweight distros, you can breathe new life into an old PC thought to be long past its prime. Here are the best lightweight Linux distros that we’ve picked out from the pile. Read more