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gfranken's blog

With the latest Kubuntu 15.10 (Wily)

Filed under
Just talk

I love the KDE desktop—I really do. However… here are some grumbles.

Issues with Kubuntu 14.10

Filed under
Linux

I installed Kubuntu 14.10 a couple of weeks ago. Here's two issues I've discovered, the first one is solved, but the 2nd one isn't.

1) Kdenlive will play videos from the Clip Monitor, and in the Project Monitor. However, after rendering the video, audio is lost.

2) It's not possible to mount an nfs share automatically in /etc/fstab. You have to use
sudo mount -a and enter the root password.

Computer Equipment and Screen Recording Revisited

It has been about 3 years since my primary hardware machine has been upgraded. I already had 16GB of RAM, two 1920 x 1200 monitors, a Filco mechanical keyboard, and a graphics tablet. OK, I admit that the CPU is showing a little age, but it was an AMD Phenom II X4 965 quad-core processor, and that still has some life left in it.

So I decided to update my graphics card, which was an Nvidia GeForce 440.

Mandrake Derived Distros

Filed under
Linux

Todays special is about Mandrake derived distributions, namely,
OpenMandriva Lx 2014 alpha vs Mageia 4 final vs ROSA 2012 R2 final vs PCLinuxOS 2013.12 final.

In (my limited) testing, I've used the X86_64 versions favoring the KDE desktop, and I've used the NVidia binary drivers provided with each distro.

Here's my experience with each one:

PCLinuxOS 2013--An Old Friend Revisited

Filed under
Linux

I first heard about Bill Reynolds (AKA "Texstar") when I was using Mandrake Linux 7 (later called "Mandriva") many years ago. Back then, Texstar was putting together updated KDE releases for Mandrake Linux, as Mandrake would only typically update their KDE release once or twice a year.

Windows 8.1 "The Worst Ever"

Filed under
Just talk

I've taught High School Computer Science for 25 years--Computer Programming, Web Page Design, Word Processing, Database Processing, and Spreadsheet processing. I have Linux on all my home computers with a dual boot into MS Windows 7 on my main computer. I don't use Windows 7 very often--but, I can find my way around in Windows 7. Since I have no experience with Win 8, I've thought all the recent hoopla about Microsoft's Windows 8 and 8.1 was just inexperienced grousing.

Casual Programming and Linux Screen-Recorders

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Linux

After being retired (for four years) from teaching high school Computer Science, I decided to get back into programming again. I once taught a beginning programming class using the Ruby language, and I thought that would be a good way to get back into programming. So, I decided I needed a “Ruby refresher”, and I wanted to learn more about that language than I taught in the classroom.

Lost mime types under kde

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Linux

I downloaded the source to the (video editing) application "kdenlive" (version 0.9 just released), and following the instructions on the kdenlive web site, compiled it, and installed it on my Linux Mageia Cauldron laptop. Maybe I did something wrong, maybe not. Anyway, disaster ensued.

LibreOffice 3.5.0beta2--one person's experience

I've been working on a complex document for the last year or so. This document is now 25 pages long, and includes a dozen images in frames with captions, with text running around the images, a table of contents, Gradient backgrounds on major headings, 2 drawings, varying headers and footers (with borders and shadows), lists, varying page styles, footnotes, and font styles.

I've been working on this document long enough that I started it with openoffice. I then switched to LibreOffice with its first release. And now I'm editing it with the LibreOffice Christmas Eve (2011-12-24) 3.5.0beta2 release.

Invariably, up to now, in a 2 hour work session, openoffice/libreoffice would crash at least once. Sometimes more.

Interestingly enough, this latest LibreOffice beta has not crashed once in three 1 hour work sessions. It may only be a beta, but I'm a believer.

Gook work LibreOffice folk.

Nook Ebook Reader & DRM

I'm 62 years old, and I've always been a reader. So, a few months ago, I finally coughed up the money to purchase a Barnes and Noble Nook ebook reader. Despite being a Linux user and occasionally enjoying tinkering with the innards of things, I haven't rooted my Nook, or installed any other OS variant—it is completely stock.

Unlike my wife's Amazon Kindle (with its E-Ink display), my Nook's battery doesn't last long. The other day I was reading a good short novel I had just downloaded from Barnes and Noble. I'm about half way through the novel when my Nook's battery level gets very low.

Here's the rub: my charger unit has an intermittent electrical short, and I can't immediately plug it in to continue reading while recharging my nook (a couple of days later, I fix this).

But I want to finish reading my novel now! I've got the time, and I'm really into the story.

Hard Drive Purchase and Thailand Flooding

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Just talk

My 2nd desktop is largely reserved for video editing. As it often the issue with video editing, storage space is getting scarce. The sata hard drive has 320 GB, and it's getting full. Time to purchase a new hard disk drive...

BIOS Flash update under linux.

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Linux

I figured it was time to do a BIOS update on one of my main Linux boxes. The MSI NF 980-G65 AMD motherboard came with an AMI BIOS dated September 2009. This MSI motherboard is based on the NVidia NForce 980a chipset, and has built-in NVidia Geforce 8300 video (which I do not use).

Powering up this system has always been a little flaky, requiring a couple of reset-button presses before it would boot into Linux (it would hang at the BIOS splash screen). After boot-up, the system always ran great.

Alright, so on to the BIOS update. MSI has the live update online program which requires, of course, Microsoft Windows, and the Internet Explorer browser. Well, I don't have these on this system, and don't want to put them on it.

In the AMI BIOS setup program, I see the M-Flash option. I try this, but can't get it to work. Some research on the Internet indicates that it's very likely you'll wreck your BIOS using M-Flash anyway, so that's out.

Mageia 1 Alpha2 -- A Status Report

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Linux

On September 18, 2010, in response to Mandriva's liquidation of its “Edge-IT” subsidiary and the attendant layoff of a substantial share of its developers, a group consisting of former Mandriva developers and Mandriva community contributers announced their intention to form a non-profit organization and release a fork of Mandriva Linux called Mageia Linux.

How is the Mageia 1 release shaping up? This status report takes a look at Mageia Linux 1 Alpha 2 release (updated daily), from a KDE-user perspective.

Mandriva Linux 2011TP (Tech Preview) - Quick Look

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Reviews

After laying-off a significant portion of its employees, is Mandriva going to remain a viable distribution? While many distros, including Mandriva, are furiously working on their Spring 2011 releases, Mandriva announced a two-week slip from their previously announced release dates. As a compensation, Mandriva gathered up its packages from its 2011 development repositories (called "Cooker"), and released a pre-alpha 2011 TP (Technology Preview) iso. The coming Alpha version is due to be released February 14 with Alpha2 slated to be released February 28. So, here's a quick report on the Technology Preview release, and how things are shaping up.

Printer Woes

Filed under
Just talk

The last day of this year in Southern Oregon is sunny, clear, and cold. Sitting here and basking in the morning sun streaming through the window mitigates my foul mood regarding the state of printers.

Screencasting Under Linux--A brief Story

Filed under
Linux

Since my recent retirement from 34 years of mathematics and computer science teaching, I've been working on creating creating screencasts for teaching how to use various kinds of computer software. So, I need to record my screen while narrating audio. What follows is my story of what it takes to do this under Linux.

Should Pulseaudio Die? What do you think?

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Linux

When I was installing and testing Mandriva 2010 Cooker (new development) releases this last Fall season, I kept having persistent problems with sound. Eventually, the advice in the Mandriva Cooker forum for KDE users became: "Disable Pulseaudio, and set Xine as the preferred back end over GStreamer (in the KDE multimedia settings).

Desktop Recording on my Laptop

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Linux

I bought this Acer Aspire 6930 laptop about a year ago. It is my first and only laptop--and came with Windows Vista pre-installed. Since I value good video performance, I selected a sub model of Acer laptop that has on board Nvidia GeForce 9600M GS video (confession time--yes, I use the proprietary NVidia driver). Since it came with Win Vista, I had 3GB of RAM, and a 320 GB hard disk drive. Plenty of horsepower for Linux, except for ...

Recommended: Rosewill Wireless USB 2.0 Adapter 802.11b/g

After teaching high school computer science for 33 years, I had never owned a laptop computer. I'd always wanted one, but they were just too expensive. Finally, last year, after saving up for a long time, I bought a laptop for me, and 6 months later, a laptop for my wife.

The built-in wireless on my wife's laptop has little range, and isn't very reliable.

Which KDE 4 Distro for my Laptop?

Filed under
Linux

I have a Mandriva Spring 2009.1 RC 2 install on my main production box. I have Kubuntu Jaunty on my experimental box. Which to install on my Acer Laptop?

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More in Tux Machines

Free Software Leftovers

  • From Clean & Green Mockup to OpenBSD cwm(1) desktop

    If the words CGA or Hercules raise sweet memories from your far away youth, the Mockup Clean & Green from u/awareofdistractions may hit you right in the heart. And if you like it so much, it may be used for real-life desktop environment using OpenBSD stock and ports material.

  • Learning more about our users

    At the Tor Project we practice user-centered design. This means we put our users at the heart of our development process, making a conscious effort to understand the contexts in which people use our tools and paying particular attention to the bumps they encounter along the way.

    Many digital product companies rely heavily on data gathered from invasive tracking scripts to better understand their users’ behavior, further fueling the surveillance economy. However that’s not how we do things at Tor – instead, we aim to conduct research that respects the basic principles of privacy and consent.

  • New Release: Tor Browser 10.5a11

    Tor Browser 10.5a11 is now available from the Tor Browser Alpha download page and also from our distribution directory.

    Note: This is an alpha release, an experimental version for users who want to help us test new features. For everyone else, we recommend downloading the latest stable release instead.

  • FSFE20 +++ IloveFS +++ Job vacancy

    In our February Newsletter, we interview our founding president Georg Greve as part of our publication series to celebrate 20 Years FSFE, we reflect on I love Free Software Day and our FOSDEM participation, we advertise our new job vacancy and as usual we report on our diverse community activities.

  • Keeping platforms open

    My previous article, Whatsapp and the domestication of users, got more attention than I was expecting. Some responses gave me a lot to think about,1 especially regarding actions we can take. I suggest reading that article first; it explained what “user domestication” is and why it’s a problem. It enumerated three countermeasures: FOSS, simplicity, and open platforms.

    Hard problems, by definition, lack easy solutions. Simply choosing (or creating) a platform that avoids user domestication isn’t enough if that platform can change. The price of freedom is eternal vigilance; in addition to settling on the right platform, we must ensure that it honors its users in both the present and the future. Keeping a platform FOSS and simple is more straightforward2 than keeping a platform “open”.

    How do we keep an open platform from becoming a closed platform in the future?

Programming Leftovers

  • 6 Top Data Analysis Tools for Big Data

    Big Data is an all-inclusive term that refers to data sets so large and complex that they need to be processed by specially designed hardware and software tools. The data sets are typically of the order of tera or exabytes in size. These data sets are created from a diverse range of sources: sensors that gather climate information, publicly available information such as magazines, newspapers, articles. Other examples where big data is generated include purchase transaction records, web logs, medical records, military surveillance, video and image archives, and large-scale e-commerce. There is a heightened interest in Big Data and Big Data analysis and the implications they have for businesses. Big Data analysis is the process of examining huge quantities of data to find patterns, correlations, and other useful information that can help firms become more responsive to change, and to make better informed decisions. Big Data analysis can be performed with data mining software. However, the unstructured data sources used for big data analysis are not necessarily suitable for investigation by traditional data mining software.

  • 50 Years of Pascal

    Pascal was easy to teach, and it covered a wide spectrum of applications, which was a significant advantage over Algol, Fortran, and Cobol. The Pascal System was efficient, compact, and easy to use. The language was strongly influenced by the new discipline of structured programming, advocated primarily by E.W. Dijkstra to avert the threatening software crisis (1968).

  • How to use Django Serializers – Linux Hint

    Serializer is used in Django to convert the model instances or querysets into python supported data types that can be easily rendered into JSON, XML, or other formats. The deserialization can also be done by serializers to get back the original data from the serialized data. This feature is available in Django REST Framework. So, the users have to install this framework to use the serializers. Any webpage of the website may contain HTML, CSS, and data from the database tables. But the API does not understand these types of content, and it can understand the raw data only, that is, JSON data. How the serializers can be used to convert the model instance into JSON format has shown in this tutorial.

  • How to use queryset in django – Linux Hint

    Most of the web applications are implemented with the database now. queryset is used in the Django application to retrieve records by filtering or slicing or ordering the database table without changing the original data. The model used Django to create the table in the database. So, the knowledge of using the model in Django is necessary to understand the use of queryset. The main function of the queryset is to iterate the records of database tables by converting them into SQL queries. It can be used from the python command line or by writing the python script to display the browser’s output. The uses of queryset for retrieving data from a database table in different ways have been explained in this tutorial.

  • This Week In Rust: This Week in Rust 379 [Ed: The usual paradox of developing "openly" while requiring people to get an account with Microsoft and then use proprietary software of Microsoft, which attacks Free software.]

    This Week in Rust is openly developed on GitHub.

  • What Is BC in a Bash Script? – Linux Hint

    BC, which stands for Basic Calculator, is a command in Bash that is used to provide the functionality of a scientific calculator within a Bash script. This can be useful for scripting with various arithmentic use cases and scenarios. This article shows you how to use BC in a Bash script.

Security Leftovers

  • How often should I rotate my ssh keys?

    My story for today is about ssh and how even public keys, while much better than simple passwords, are still not a perfect solution.

    The danger is credential theft, which is a fancy way of saying “someone stole your private keys.” Back in the 1990s, that problem was pretty far from our minds; Windows 98 didn’t even have the concept of a separate administrator account, never mind the idea of app sandboxing or the inkling that someone might intentionally want to load malware onto your computer and encrypt all your files for ransomware. Those were the days when some people thought ActiveX controls (essentially loading .exe files from web sites) might be a good idea. Actually, maybe even a great idea as long as there was an “are you sure?” dialog box first.

  • 4 of the Best LastPass Alternatives

    LastPass has recently changed its free account usage policy to be only available on one device, and a lot of its users are not happy about it. If you are a LastPass Free user and are looking to switch, here are four great LastPass alternatives you should check out. These services reserve their pricing tiers for more advanced, business-oriented users while still leaving free users with a powerful set of features to safeguard their online accounts data.

  • Security updates for Thursday

    Security updates have been issued by Arch Linux (ansible-base, keycloak, mumble, and postgresql), Debian (firefox-esr and nodejs), Fedora (dotnet3.1, dotnet5.0, keylime, php-horde-Horde-Text-Filter, radare2, scap-security-guide, and wireshark), openSUSE (postgresql, postgresql13 and python-djangorestframework), Red Hat (Ansible, firefox, and thunderbird), Scientific Linux (firefox and thunderbird), SUSE (php7, postgresql-jdbc, python-cryptography, rpmlint, and webkit2gtk3), and Ubuntu (dnsmasq, linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon, linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi, linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon, linux-oem-5.10, linux-oem-5.6, screen, and xterm).

  • Biden signs executive order calling for semiconductor supply chain review

    President Biden signed an executive order Wednesday addressing growing concern over a global semiconductor shortage hampering the production of goods like automobiles and smartphones.

    The White House’s executive order directs the federal government to conduct 100-day reviews of supply chains in four sets of products, including computer chips and large capacity batteries, like those used in electric vehicles, according to administration officials.

  • Biden Orders Review to Shore Up Supply Chain Resiliency

    On top of the 100-day review of the four key industries, Biden’s order will also direct yearlong reviews for six sectors: defense, public health, information technology, transportation, energy and food production.

    Biden said his administration will implement the recommendations as soon as they are available. “We're not going to wait for the review to be completed before we start closing the existing gaps,” he said.

  • Technology Executives Say All Evidence Points To Russia In Major Hack Of Computer Networks

    Smith told the committee that the true scope of the intrusions is still unknown because most victims are not legally required to disclose attacks unless they involve sensitive information about individuals.

  • Finnish IT Giant Hit with Ransomware Cyberattack [iophk: Windows TO]

    Norwegian business journal E24 reported the attack on Espoo, Finland-based TietoEVRY on Tuesday, claiming to have spoken with Geir Remman, a communications director at the company. Remman acknowledged technical problems with several services that TietoEVRY provides to 25 customers, which are “due to a ransom attack,” according to the report.

    Remman told E24 that the company considers the attack “a serious criminal act.” TietoEVRY turned off the unspecified services and infrastructure affected “as a preventative measure” until it can recover relevant data, and restart systems “in a controlled manner,” he said.

Ubuntu Leftovers

  • Ubuntu Aims For Higher Quality LTS Point Releases - Phoronix

    New restrictions will be in place beginning with Ubuntu 20.04.3 LTS this summer to try to enforce better quality releases with less regressions by enforcing better quality control. The change beginning with Ubuntu 20.04.3 LTS will require that stable release update (SRU) procedures are followed even for release blockers. This will require that every fix follows the same verification, regression analysis, and aging period process. The tighter quality controls will likely lead to slips in release targets if bugs are found in the release candidates for new point releases, as it will first need to go through the verification and aging process.

  • DFI Partners With Ubuntu For IoT Hardware, OTA Updates - Phoronix

    Most of you probably haven't heard of DFI much in nearly two decades since the days of their colorful "LanParty" motherboards that were well known at the time, but these days they are focused on the industrial computer industry and have now teamed up with Canonical to partake in the Ubuntu IoT Hardware Certification Partner Program. DFI is the first industrial computer vendor joining the Ubuntu IoT Hardware Certification Partner Program for Ubuntu-certified hardware focused on the Internet of Things and embracing over-the-air software updates.

  • What is MEC ? The telco edge.

    MEC, as ETSI defines it, stands for Multi-access Edge Computing and is sometimes referred to as Mobile edge computing. MEC is a solution that gives content providers and software developers cloud-computing capabilities which are close to the end users. This micro cloud deployed in the edge of mobile operators’ networks has ultra low latency and high bandwidth which enables new types of applications and business use cases. On top of that an application running on MEC can have real-time access to a subset of radio network information that can improve the overall experience.