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Peppermint OS is back again after the sad loss of the project leader, Mark Greaves (PCNetSpec), two years ago.
Peppermint OS is now based on Debian and comes with the XFCE Desktop.
It’s a minimal Linux Distribution aimed more for use in an online world with “Site Specific Browser” based apps.
No web browser is included out-of-the-box, but you can install your favourite browser easily through the welcome screen.

https://peppermintos.com/

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There is a feature in Linux where pressing Tab key in Bash Terminal will autocomplete or offer suggestions of commands and parameters. However, in some lightweight implementations, such as on ARM based devices, the feature has not been installed.

Instructions:
sudo apt install bash-completion command-not-found
sudo nano /etc/bash.bashrc
Optional – You can uncomment the section for enable bash completion in interactive shells

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Tutorial on how to install NoTrack, which is a DNS-Sinkhole that can help protect your privacy on your home network by preventing all your devices from visiting Tracking, Advertising, and Malicious websites.
I’m installing on to a Raspberry Pi 4 with Ubuntu Server 21.10

Install Guide: https://quidsup.net/notrack/install/
GitLab page: https://gitlab.com/quidsup/notrack

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Trying out an Odroid HC4 ARM based Network Attached Storage (NAS), which uses a toaster form factor to hold 2x3.5 inch or 2x 2.5 inch hard drives that connect straight through to a SATA 3 port.
Unlike a Raspberry PI 4, the Odroid HC4 has a PCIe bus, which will allows for a faster performance compared to USB 3.

I purchased the Odroid HC4 for £86 from Odroid UK https://www.odroid.co.uk/ODROID-HC4

Specs:
CPU: ARM Cortex A55
GPU: Mali G31
Memory: 4GB DDR4
Network: 1GbE

0:01 Introduction
1:30 Performance
6:02 Further information
7:20 Comparing to pre-build NAS enclosures

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Although you can minify Scaled Vector Graphics (SVG) images using online services, you may well find you can reduce the size of the file further without any detriment to quality.
In this video I discuss what you can remove from SVG / XML headers, removal of transforms, the impact of precision, and utilising groups.

Sources:
Automated Minifying SVGO: https://jakearchibald.github.io/svgomg/

Headers:
SVG Header: https://www.w3.org/wiki/SVG_Links
ViewBox and Initial Coordinates: https://www.w3.org/TR/SVG/coords.html#InitialCoordinateSystem

Precision
https://oreillymedia.github.io/Using_SVG/extras/ch08-precision.html
https://css-tricks.com/understanding-and-manually-improving-svg-optimization/

leading zero can be dropped, although it may cause issues:
https://github.com/jakearchibald/svgomg/issues/192

Basic Shapes: https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Basic_Shapes

Grouping: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g
Transforms: https://www.sarasoueidan.com/blog/svg-transformations/

Wallpaper:
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Showing where errors regarding “x user is not in the sudoers file. This incident will be reported.” end up.
It’s related to authentication errors which can be found in /var/log/auth.log or with journalctl for Systemd based Linux systems.

Commands Used:
cat /var/log/auth.log
cat /var/log/auth.log | grep NOT
grep NOT /var/log/auth.log
journalctl
which sudo
journalctl $(which sudo)
journalctl -b $(which sudo)
journalctl -p 3 $(which sudo)

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SORX is a fan made recreation of Streets of Rage 2 and 3 using OpenBOR. It was enjoyable fast paced game, which draws upon the fighting and combo style from SOR4, combined with look of SOR2 / SOR3 with the modern 16:9 aspect ratio.

This was my first time playing the game, I hadn’t even looked at the options or read anything about it.

Website: https://fgames9000.blogspot.com/
Install guide for Linux: https://sepatufans.wordpress.com/2021/10/24/openbor-main-game-2d-beat-em-up-street-of-ragedi-ubuntu-linux/

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Quick discussion on Ubuntu 21.10 looking at release notes only.
I was thinking of buying a Odroid-HC4 NAS - https://www.odroid.co.uk/ODROID-HC4
I recently passed ITIL 4 exam, despite not having any training notes.
NoTrack 21.10 released with significant performance improvement on reviewing DNS logs thanks to moving to client-side processing.
https://gitlab.com/quidsup/notrack

Other Videos:
Ubuntu 20.10 Using NFTables Instead of IPTables Firewall: https://youtu.be/qz9pfbS-sN0
How to Create a NAS with a Raspberry Pi 4: https://youtu.be/veSXgVoGpok

Wallpaper:
https://www.pling.com/p/1578933

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I’ve just started working on a Python Script to analyse web pages in order to identify tracking and advertising domains.
It’s early days and needs many more YARA rules to actually carry out the analysis.

GitLab Repos:
Web Page Analyser: https://gitlab.com/quidsup/web-page-analyser
Word Occurrences: https://gitlab.com/quidsup/word-occurrences
NoTrack: https://gitlab.com/quidsup/notrack

Wallpaper: https://www.pling.com/p/1578933

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Mr and Miss Quids take a look at how easy it is to upgrade Kubuntu for someone who hasn't done so before (Miss Quids), using the command-line method. She also gives some initial thoughts on Kubuntu 21.04.
The upgrade process worked successfully.

Instructions:
https://ubuntu.com/tutorials/upgrading-ubuntu-desktop
https://help.ubuntu.com/community/HirsuteUpgrades/Kubuntu
Clonezilla Tutorial: https://youtu.be/lfoSU1iVW1w

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Brave are developing a new privacy focused and neutral (not politically skewed) search engine as an alternative to the big tech offerings in Silicon Valley.
Brave Search started out life as a being developed by Cliqz, who own Ghostery.

At the moment Brave Search is sign up only.

https://brave.com/search/

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Theory of how to do manual tracing in Inkscape using the path tool and a demonstration of tracing out an image.

Other Inkscape Tutorials: https://www.youtube.com/playlist?list=PLA97DFFF662476A54

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Miss Quids takes a look at animation in ImageMagick, including the three basic types: coalesced, overlay, and cleared frame animations.

Coalesced:
convert -delay 20 -loop 0 *.png coalesced.gif

Overlay:
convert -delay 100 -size 1000x1000 xc:SkyBlue -page +0+0 wilber1.png -page +500+0 wilber2.png -page +0+500 wilber3.png -page +500+500 wilber4.png -loop 0 overlay.gif

Cleared frame:
convert -delay 0 -size 1000x1000 xc:SkyBlue +antialias -dispose previous -delay 100 -page +0+0 wilber1.png -page +500+0 wilber2.png -page +0+500 wilber3.png -page +500+500 wilber4.png -loop 0 cleared.gif

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Back in 2019 GNU Image Manipulation Program (GIMP) was forked into Glimpse as some people felt that the acronym was problematic. Two years on the project has gone on hiatus and the Git repository archived. The lead developer, Bobby Moss, had to leave due to conflict of interest in February 2021. The remaining developers struggled with the wider workload and additional community support was not forthcoming.

Sources:
https://glimpse-editor.org/
https://www.youtube.com/watch?v=A9xKbgm3kJI
https://glimpse-editor.org/posts/work-continues-on-glimpse-image-editor-0-2-2/
https://glimpse-editor.org/posts/a-project-on-hiatus/
https://glimpse-editor.org/posts/a-year-in-summary/
https://github.com/glimpse-editor/Glimpse

Wallpaper by Charlie Henson: https://www.pling.com/p/1427656/

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Bodhi Linux is based on Ubuntu 20.04 and comes with Moksha Desktop (fork of Enlightenment E17 desktop). Its very lightweight (clocking in at 260MB RAM used out of 8GB), but comes with a verity of very stylish themes and includes a wide selection of gadgets (widgets) which can be added to the desktop.

Website: https://www.bodhilinux.com/

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We take a look at all of the officially supported Ubuntu 21.04 releases with a quick overview of the desktops, pre-installed software, and new changes since the previous release.

Chapter timings:
0:51 Ubuntu
3:31 Ubuntu Server
4:08 Ubuntu MATE
7:45 Kubuntu
10:21 Lubuntu
12:24 Xubuntu
14:23 Ubuntu Budgie
20:01 Ubuntu Studio
20:57 Ubuntu Kylin
23:09 Conclusion

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Discussing an article on Linux Security about Linux offering more security in a working from home world.
Although when it comes to earning a living, I think that usability should be considered above security.

Source:
https://linuxsecurity.com/features/features/can-linux-be-used-to-offer-more-security-in-a-wfh-world-on-and-offline

Wallpaper by Charlie Henson: https://www.pling.com/p/1427656/

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Miss Quids gives an introduction to ImageMagick – a command line tool for image manipulation, it's great for use where repetition is required for converting, resizing, or even carrying out some fairly complex image effects.

identify -- gives some details on an image
identify NAME (can also add -verbose)

convert -- now want to look at the image
Convert actually does a lot of things
convert NAME x:
convert NAME NEW-NAME

resize
Default is more clever -- convert NAME -resize AxB NEW-NAME
Can ignore aspect ratio -- convert NAME -resize AxB\! NEW-NAME
Percentage resize -- convert NAME -resize 50% NEW-NAME

model village (tilt-shift effect)
convert NAME -sigmoidal-contrast 15x30% -modulate 50 NAME_CONTRAST
Sigmoidal contrast, 15 means strong contrast, offset centre of threshold using 30% grey, then I added modulate to take the overall brightness down a little
convert NAME_CONTRAST -sparse-color Barycentric '0,0 black 0,%h white' -function polynomial 4,-4,1 NAME_BLURMAP
Prepares gradient image we'll use in the final step. Barycentric sparse colouring to generate gradient from top to bottom only, black to white from 0,0 to 0, height, then polynomial allows for the bit in the centre -- maths says 4x2 - 4x + 1 says curve goes from 1.0 to 0.0 and back to 1.0, allows for final picture we see
convert NAME_CONTRAST NAME_BLURMAP -compose Blur -set option:compose:args 10 -composite NAME_MODEL
Blur image according to blurmap created in previous step, using compose

Website:
https://imagemagick.org/index.php

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Closer look at the new System Monitor which was added to KDE Plasma 5.21. It features customisable system performance graphs which provide some nice visuals for hardware temperature sensors, processor / memory usage, network performance, disk usage, etc...

Website:
https://github.com/KDE/plasma-systemmonitor

Wallpaper:
https://www.pling.com/p/1333198/

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NoTrack is a DNS-Sinkhole which helps protect your privacy on your home network by preventing all your devices from visiting Tracking, Advertising, and Malicious websites.

I have released new version of 21.03, changes are:
Improved Domain Reporting and Blocking dialog boxes
Added Russian version of tracking domains to NoTrack Analytics

GitLab page:
https://gitlab.com/quidsup/notrack

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I came across an e-commerce website that was infected with Magecart Credit Card Skimmer. There is an interesting by-product of blocking the malware through DNS, which as I show in this video causes a huge drain in system resources, and would bring Chrome to its knees on a low power system.

Sources:
https://seclists.org/dataloss/2021/q1/28
Affected e-commerce can be seen in the video

Wallpaper: https://www.pling.com/p/1486256/

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I haven’t seen too many malware / phishing related Covid-19 emails, contrary to what the press would have you believe, but in this video I detonate a fake “Covid-19 test result” email in an interactive sandbox.

Sources:
https://www.express.co.uk/life-style/science-technology/1390461/Covid-vaccine-UK-scam-convincing-NHS-fake-emails
https://conversation.which.co.uk/scams/scam-nhs-covid-vaccine-text-message/

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Discussing the techniques I use to maintain the NoTrack blocklist and showing a couple of scripts I created to upload and commit updated blocklists into GitLab.
I work through setting up a Raspberry Pi and creating Cron jobs to automatically run the updater scripts.

GitLab pages:
https://gitlab.com/quidsup/notrack-blocklists
https://gitlab.com/quidsup/notrack-annoyance-blocklist
https://gitlab.com/quidsup/notrack

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Linux Mint wrote a blog post titled “Update your computer!” where they suggested that between 5% to 30% of users were still running and End of Life version of Linux Mint.
But is this a problem solely with Mint or a wider issue affecting other Linux Distributions?

Sources:
https://blog.linuxmint.com/?p=4030
https://store.steampowered.com/hwsurvey
https://snapcraft.io/chromium

Wallpaper: https://www.pling.com/p/1469606/

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Looking at the changes in KDE Plasma 5.21 Desktop in KDE Neon, which includes: New Application Launcher
New System Monitor
Media player applet can control multiple sources
Highlighting altered system settings
New theme – Breeze Twilight (similar to Kubuntu default theme)
Firewall manager added to system settings
New layout in a couple of system setting sections
Wayland can support mixed refresh displays

Wallpaper: https://www.pling.com/p/1469606/

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Created 3 years, 9 months ago.

217 videos

Category Science & Technology

Long time Linux reviewer, and creator of anti-tracking system NoTrack.
I also focus on IT Security News, Ubuntu, KDE, and Kodi Tutorials, Linux Gaming, and App Reviews.

My current OS of choice is Kubuntu 20.04 which I have customised to look like Unity desktop

Help support the channel: https://www.patreon.com/quidsup
Twitter: https://twitter.com/quidsup
MeWe: https://mewe.com/i/quidsup
Minds: https://minds.com/quidsup

Check out my wallpapers on: https://quidsup.net/wallpaper
NoTrack: https://gitlab.com/quidsup/notrack