deepin 15.4 has been released on April 19th 2017. This review reveals the visual aspects of this beautiful GNU/Linux operating system. deepin is a very visual desktop OS where everything is accessible via GUI, and in 15.4 release it gets incredibly more user-friendly. The desktop and all native applications are very pretty, being unique with its own concepts, with simplicity on every layout. You will not find a desktop like this, not in MacOS, not in Windows, not even in Ubuntu, but only in Wuhan's developed system: deepin. This review talks less on technical but more on visual appearance. I make this so all new users can see what's wonderful about deepin.

This short tutorial introduces the steps to build sK1 0.9.3 from source code and install it on Ubuntu. sK1 is a prepress-oriented vector editor with CMYK feature, a free software similar to Inkscape. This tutorial is done on Ubuntu 16.10 Yakkety Yak and should be applicable to another versions as well (even for Linux Mint and Debian). I write this tutorial because sK1 is not available on Ubuntu repo even until now.

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deepin 15.4 GNU/Linux operating system has been released at April 19th 2017. I list here one official download link and two faster mirrors from Sourceforge. I listed here the Mega and Google mirrors as well but remember they don't provide direct download. The 15.4 provided only as 64 bit, the 32 bit version has already dropped (except by commercial support). I hope this short list helps you.

• Official download link: http://cdimage.deepin.com/releases/15.4/deepin-15.4-amd64.iso
• Mirror 1 (Sourceforge, NCU): https://ncu.dl.sourceforge.net/project/deepin/15.4/Release/deepin-15.4-amd64.iso
• Mirror 2 (Sourceforge, NCHC): https://nchc.dl.sourceforge.net/project/deepin/15.4/Release/deepin-15.4-amd64.iso
• Mirror 2 (Mega, no-direct-link): https://mega.nz/#F!8wtEXCDB!_W8Hd_lTI4o6i29Fljeglw
• Mirror 3 (Google, no-direct-link): https://drive.google.com/drive/folders/0B6tQiyXN9eI9a01mX3ZZT2tXVlk
• Size: 2.6GB
• Checksum: MD5SUM

Note: at this time (April 20th) I cannot find any active ISO mirror (that provides direct link) available for 15.4. If you want to help deepin distribution, you can provide a deepin ISO mirror by following this guide.

Verifying checksum for a GNU/Linux image is similar to comparing fingerprints for human. It verifies that your downloaded Ubuntu image is valid or not. By valid here it means it's 100% the same as the file on official server. Whenever it's verified valid, then it's OK for you to use it and further to redistribute. But whenever it's not valid, it means the image is probably corrupted, broken, of even altered by somebody else. This short tutorial shows 3 steps to verify Ubuntu image for beginners.

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This is a simple guide to install Ubuntu Budgie 17.04. Because Ubuntu Budgie is a new comer to Ubuntu family, we believe this tutorial will be needed by many beginners. This will explain installation on a laptop by first preparing blank partitions to make it safer for most beginner users. This installation will need at least 20GB of disk space. The total time needed is only 10 minutes. It's quick and easy with gorgeous OS Ubuntu Budgie. Enjoy!

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Please welcome Xubuntu 17.04, a newly released GNU/Linux OS with very low memory consumption and pretty desktop interface. It ships with XFCE 4.12, Firefox 52, and LibreOffice 5.3. It consumes only around 330MB of RAM at idle time, very convenient for low-end and old computers. It provides complete and large number of software on official repository, a big win for powerful computers for serious purposes. Xubuntu 17.04 is released at same day as Ubuntu 17.04, April 13th 2017. And this is a review to introduce you how great Xubuntu 17.04 is.

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This is a review of Ubuntu 17.04 Zesty Zapus with both Unity 7 and 8 desktop environments. This release is beautiful as always, ready for serious use, and complete with more than 70000 packages on official repository. It will be supported for 9 months until January 2018. Finally, I hope this review helps people to find how Ubuntu is and what's interesting from 17.04. Enjoy!

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Ubuntu Budgie begins its debut as official Ubuntu family in 17.04 "Zesty Zapus" release. It's a new choice of flavors with new desktop environment (Budgie) as operating system for us. Ubuntu Budgie is crafted purely for desktop use, no tablet-like interface (like Unity or GNOME), thanks to Budgie DE. So I want to introduce Ubuntu Budgie 17.04 to beginners especially if they're new to GNU/Linux. I hope you'll enjoy Ubuntu Budgie starting from this review.

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If you have a web-based RSS reader with many feeds already subscribed you may want to migrate the feeds into your desktop client. You can do it by exporting all subscribed feed URLs to OPML file and import it to your desktop client. The result is you have the same feeds between the web and desktop readers. I'll give an example exporting OPML from my CommaFeed account to Thunderbird. Enjoy reading RSS feeds!

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If you're a new comer to Ubuntu in 17.04 Zesty Zapus release, then welcome, this article is for you. This introduces some options you can do once finished installing Ubuntu. There are 13 options listed you can choose, mainly about applications and some tweakings. You'll find some list about software replacements (if you come from Windows) and also educational apps. I hope this what-to-do article helps you to be a new Ubuntu user easier. Enjoy Ubuntu 17.04!

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Ubuntu 17.04 Zesty Zapus is released today Thursday, 13 April 2017. This is a list of all Ubuntu 17.04 Desktop Official Flavors download links for direct link, torrent, and zsync. This list includes 9 flavors (Ubuntu until the new comer Ubuntu Budgie) in 64 bit and 32 bit. We list zsync links here so you can save your bandwidth efficiently. Happy downloading and enjoy Ubuntu 17.04!

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This tutorial shows how to install Ubuntu 17.04 Desktop in step-by-step. This tutorial is intended for new users with screenshot in each step so it will be very simple and quick. The installation itself takes only 10 minutes. For all new users, I wish this guide will be a good first-time experience for you. Finally, welcome to 17.04 and enjoy!

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zsync can extremely reduce your download size so it's suitable for huge ISO image transfers. For your information, Ubuntu provides .zsync files for all its ISO images. You can use zsync console to get the 17.04 release without downloading from zero the whole 1.5GB. I write this article to welcome Ubuntu 17.04 Zesty Zapus soon and I hope this helps you.

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There was a problem for me after publishing the vnStat PHP article, it's vnStat console could not update its database automatically. The result was vnStat PHP cannot update the data automatically as well. The cause is probably because I accidentally ran vnstat update as root. But apparently the solution is easy. Just make the user of vnstatd daemon the owner of the database directory.

This article accompanies our big list of GNU/Linux & FLOSS RSS feeds so you can choose suitable reader for your desktop. Here I list Firefox, Thunderbird, Akregator, Liferea, Blam, and Evolution with some details of each. It's possible later for me to update this list, because there are still many other good readers. I hope you enjoy this!


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1. Mozilla Firefox (and Derivatives)

You might be surprised if Firefox has RSS reader ability. It's preinstalled, very simple to use, and united to the browser. You reach news feeds via Bookmarks Toolbar. To add new feed, visit a valid rss url > press Subscribe button.

• Origin: Mozilla Project
• Available in repo: yes
• Command to install:  sudo apt-get install firefox 
• Tray icon on Unity: no
• Internal browser: yes
• Multitab interface: yes
• Ubuntu built-in: yes
• Import/export feeds: no
• Adblock: yes, via addons
• License: Mozilla MPLv2
• Website: https://www.mozilla.org
• Notes: Firefox has many derivatives such as Debian Iceweasel, GNU Icecat, and so on and they're have RSS ability too.

2. Mozilla Thunderbird

Thunderbird is a feature-rich mail client with RSS reader ability. It's preinstalled on Ubuntu and more convenient as complete reader than Firefox.

• Origin: Mozilla Project
• Available in repo: yes
• Command to install:  sudo apt-get install thunderbird
• Tray icon on Unity: yes
• Internal browser: yes
• Multitab interface: yes
• Ubuntu built-in: yes
• Import/export feeds: yes, OPML/XML format
• Adblock: yes, via addons
• License: Mozilla MPLv2
• Website: https://userbase.kde.org/Akregator

3. Akregator

• Origin: KDE Project
• Available in repo: yes
• Command to install:  sudo apt-get install akregator 
• Tray icon on Unity: no
• Internal browser: yes
• Multitab interface: yes
• Ubuntu built-in: no
• Import/export feeds: yes, OPML/XML format
• Adblock: yes
• License: GNU GPLv2
• Website: https://userbase.kde.org/Akregator

4. Liferea

Liferea is a feature-rich desktop RSS reader for GNU/Linux. It works with RSS feeds and also can play podcasts directly. It's integrated with Unity desktop well (see picture). If you like GNU/Linux podcasts like mintCast or Linux Action Show, I recommend Liferea for you.

• Origin: Liferea Project
• Available in repo: yes
• Command to install:  sudo apt-get install liferea
• Tray icon on Unity: yes
• Internal browser: yes
• Multitab interface: yes
• Ubuntu built-in: no
• Import/export feeds: yes, OPML/XML format
• Adblock: no
• License: GNU GPLv2
• Website: https://lzone.de/liferea

5. Blam

Blam is the most minimalist stand-alone RSS reader here. It can do basic tasks such as importing OPML, reading feeds, but it can't store feeds (at version 1.8.9) so you should update from zero every time. If you want very simple RSS reader that just works, Blam is for you.

• Origin: GNOME Project
• Available in repo: yes
• Command to install:  sudo apt-get install blam
• Tray icon on Unity: no
• Internal browser: yes
• Multitab interface: no
• Ubuntu built-in: no
• Import/export feeds: yes, OPML format
• Adblock: no
• License: GNU GPLv2
• Website: https://github.com/GNOME/blam

6. Evolution (using RSS Plugin)

Evolution is a professional mail client just like Thunderbird. And as you can guess it has RSS reader ability too. If you love GNOME, accustomed to Evolution in daily life, using its RSS plugin is recommended.

• Origin: GNOME Project
• Available in repo: yes
• Command to install:  sudo apt-get install evolution evolution-rss 
• Tray icon on Unity: no
• Internal browser: yes
• Multitab interface: yes
• Ubuntu built-in: no
• Import/export feeds: yes, OPML/XML format
• Adblock: yes, via addons
• License: LGPLv2/v3
• Website: https://wiki.gnome.org/Apps/Evolution

vnStat PHP is a nice bandwidth monitoring tool with web interface based on vnStat console. vnStat PHP can show you visual graph and table of hourly, daily, and monthly bandwidth usage. It can monitor any network interface you use (WLAN, LAN, etc.). It doesn't need MySQL database to run, just Apache web server is enough. So it's good for desktop users and this article shows how to install it in some easy steps. vnStat PHP is a frontend by Bjorge Dijkstra, while vnStat is a program by Teemu Toivola, and both are free software under GPLv2.

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Following previous article, it's an overview to OnlyOffice word processor. I divide this article to 3 parts: user interface, equation editor, and document formats. The OnlyOffice word processor resembles WPS modern interface and it's compatible with .odt & .docx documents. It's a good replacement for WPS Writer or Microsoft Word when you want ribbon-like interface and Word document compatibility. OnlyOffice is free software licensed under GNU AGPLv3 and available for GNU/Linux.

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