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How to Install MuPDF 1.9 in Ubuntu 16.04 LTS

Last updated: March 21, 2019

MuPDF Ubuntu 16.04

The lightweight PDF and XPS viewer MuPDF 1.9 has been released. Here’s how to install it in Ubuntu 16.04 LTS and its derivatives.

According to the news page, MuPDF 1.9 brings following changes:

Headline changes:

  • New command line tools: create and run.
  • New low-level Java interface for desktop and android.
  • Bidirectional layout for Arabic and Hebrew scripts.
  • Shaping complex scripts for EPUB text layout.
  • Noto fallback fonts for EPUB layout.

mutool create:

  • Create new PDF files from scratch.
  • Read an annotated content stream in a text file and write a PDF file, automatically embedding font and image resources.

mutool run:

  • Run javascript scripts with MuPDF bindings.
  • The interface is similar to the new Java interface.

mutool draw:

  • Optional multi-threaded operation (Windows and pthreads).
  • Optional low memory mode (primarily for testing).

How to Install MuPDF in Ubuntu:

1. Launch terminal (Ctrl+Alt+T) and run command to add PPA (unofficial):

sudo add-apt-repository ppa:ubuntuhandbook1/apps

Type in your password when it asks and hit Enter to continue. No visual feedback while typing password. You can lately manage the PPA in Software & Updates -> Other Software.

2. Then update package index and install the software via commands:

sudo apt-get update

sudo apt-get install mupdf mupdf-tools

After installation, right-click on a PDF/XPS file and select open with MuPDF. You may also set MuPDF as default viewer in file’s Properties settings window.

For those who don’t want to add PPA, grab .deb packages for mupdf and mupdf-tools at PPA Index page.

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Switch Between Intel and Nvidia Graphics Card in Ubuntu 16.04

Last updated: April 18, 2016

For Ubuntu laptops with dual graphics cards, Intel graphics is being used by default. To get the best graphics performance for playing games or charting, you need to manually switch to NVIDIA graphics card.

This can be easily done after installing Nvidia graphics drivers and below steps will show you how:

1. Search for and launch “Additional Drivers” utility from Unity Dash.

2. When it opens, you can see a list of recommended drivers for your graphics cards:

3. Install NVIDIA proprietary driver as it shows by launching terminal (Ctrl+Alt+T) and run command:

sudo apt-get install nvidia-361

Replace nvidia-361, or just use nvidia-current instead and keep an eye on the installing process to make sure the installed driver is listed in above picture.

You may also install Intel proprietary driver, which is not required:

sudo apt-get install intel-microcode

4. After installed graphics drivers, re-launch Additional Drivers utility and apply new installed drivers, so it looks like:

5. Finally switch graphics card by launching NVIDIA X Server Settings and select a GPU you want at PRIME Profiles tab.

To apply changes, log out and back in.

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Clementine 1.3 Released, How to Install it in Ubuntu 16.04

Last updated: April 15, 2016

Clementine Music Player has just reached the new stable 1.3 release. Official Linux binary adds support for Ubuntu 16.04.

After two years of development, Clementine 1.3 was finally released earlier today. It brings so many new features and a large number of bug-fixes.

Main feature in Clementine 1.3:

  • Vk.com support
  • Seafile support (server >= 4.4.1)
  • Add Ampache compatibility (through Subsonic service)
  • Add new analyzer “Rainbow Dash”
  • Answer to the ultimate question of life, the universe and everything
  • Add “Psychedelic Colour” mode to all analyzers

There are also some other features such as m4b support for non-drm files, HipHop and Kuduro equalizers, IDv3 tag lyrics support, lyrics from AZLyrics, bollywoodlyrics.com, hindilyrics.net, lololyrics.com, Musixmatch, Tekstowo.pl, and more and more.

See other improvements and bug fixes in the full changelog page.

How to Install Clementine 1.3 in Ubuntu:

Select download the official binary for your Ubuntu release (Check System Settings -> Details) from:

Clementine Download Page

You can also install Clementine 1.3 from its official PPA, which allows you to receive future Clementine updates along with other system updates via Software Updater utility.

1. Add PPA.

Open terminal (Ctrl+Alt+T) and paste below command and hit run to add PPA:

sudo add-apt-repository ppa:me-davidsansome/clementine

Type in your password when it asks and hit Enter to continue.

2. Update package cache and install Clementine. You can use Synaptic Package Manager instead if installed.

sudo apt-get update

sudo apt-get install clementine
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How to Remove Guest Session in Ubuntu 16.04 Login Screen

Last updated: April 14, 2016

This is a quick guide for beginners that shows how to remove / disable the Guest account login from Ubuntu 16.04 Unity Greeter.

LightDM configuration files are located in /usr/share/lightdm and /etc/lightdm. Disabling Guest account can be easily done by adding a rule into one of the two directories. And below I made a change in /etc/lightdm:

1. Open terminal from Unity Dash, or via Ctrl+Alt+T combination key.

When it opens, paste below command and run to create a sub folder:

sudo mkdir /etc/lightdm/lightdm.conf.d

Type in your password (no visual feedback on typing) when it asks and hit Enter to continue.

2. Running below command to create a “50-no-guest.conf” file under this folder and write the rule allow-guest=false.

sudo sh -c 'printf "[SeatDefaults]\nallow-guest=false\n" > /etc/lightdm/lightdm.conf.d/50-no-guest.conf'

Now restart your computer and the Guest session disappeared.

3. To revert the changes, just remove the configuration file via command:

sudo rm /etc/lightdm/lightdm.conf.d/50-no-guest.conf

That’s it. Enjoy!

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How to Install Skype 4.3 in Ubuntu 16.04

Last updated: April 13, 2016

Skype for Linux sucks. It is lagging behind and has lots of problems, but some of Ubuntu users may still need this application.

Here’s the quick tip for beginners how to install Skype 4.3 in Ubuntu 16.04 LTS:

1. Enable Canonical Partners Repository

Canonical partners repository offers access to proprietary and closed-source software including Skype for Linux and is not enabled by default.

To enable it, launch Software & Updater from Unity Dash or System Settings, then check the first box in Other Software tab.

The second “Canonical Partners (Source Code)” is not required unless you want to get software sources and make some changes.

2. Skype won’t be listing in the Software App even after adding the partners repository. To install it, use Synaptic Package Manager (need to install):

  • click Reload to update cache
  • click Search and search Skype
  • right-click skype package from the list and select “Mark for Installation”
  • click Apply to apply changes

Or just open terminal (Ctrl+Alt+T) and paste following command and hit run:

sudo apt update && sudo apt install skype

Type in your password (no visual feedback while typing password) when it asks and hit Enter to continue.

Finally launch Skype from Unity Dash or App Launcher and enjoy!

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Install My Weather Indicator with Desktop Widget in Ubuntu 16.04

Last updated: April 9, 2016

Looking for a weather app for your Ubuntu desktop? Though there are a few available in Software Center, I would recommend my-weather-indicator which is developed by atareao team.

My-weather-indicator is an advanced desktop weather app for Ubuntu Unity. It displays the current weather situation and a week forecast for your location through indicator menu and/or a desktop widget.

my weather indicator and “alinone” widget

one week forecast

It also allows you to see a map of current situation, forecast information for the next hours and days of the temperature, humidity and cloudiness.

Forecast for next hours

The app also features:

  • support two locations
  • weather services: Yahoo, OpenWeatherMap, wunderground.com, world weather online.
  • weather display: Temperature, Pressure, Humidity, Thermal sensation, Dew point, The speed and wind direction, cloudiness, Time sunrise, sunset and twilight, Moon phase

Weather Preferences Window

How to Install My-weather-indicator in Ubuntu:

The weather app is available in the developer’s PPA for all current Ubuntu releases. Follow the steps below to add PPA and install the software:

1. Add PPA

Open terminal from app launcher or via Ctrl+Alt+T keys. When it opens, paste below command and hit run:

sudo add-apt-repository ppa:atareao/atareao

Type in your password (no visual feedback when typing) when it asks and hit Enter to continue.

2. Install the software via Synaptic Package Manager after clicked Refresh button. Or run following commands one by one in terminal:

sudo apt-get update

sudo apt-get install my-weather-indicator

Once installed, you can future update of the software alongside other system packages via the Software Updater utility.

3. (Optional) To remove the PPA, use Software & Updates -> Other Software. To remove my-weather-indicator, use Synaptic Package Manager or run command below in terminal:

sudo apt-get remove my-weather-indicator

For new changes, bugs, and requests, go to github.com/atareao/my-weather-indicator

In Howtos ,
 

Rhythmbox 3.3.1 Released, Ported to WebKit2, Better Handle Locked Android Devices

Last updated: April 4, 2016

Rhythmbox, Gnome’s default music player, has reached the 3.3.1 release with a few improvements, bug fixes, and translation updates.

According to the changelog, Rhythmbox 3.3.1 features:

  • Better handling of locked Android devices
  • Simplified ReplayGain processing that might crash less
  • Switched to webkit2 API, except for the context plugin which is disabled
  • Notifications behave better when actions aren’t available

And a few reported bugs has been solved in this release:

  • Rhythmbox segfaults when trying to access Android 4.0 MTP device already mounted by Nautilus
  • Rhythmbox crashes when trying to access Android device.
  • Port to WebKit2
  • CD playing with cross fading on crashes rhythmbox
  • Display notifications about playing song when pausing
  • RhythmDB-CRITICAL **: rhythmdb_entry_get_entry_type: assertion ‘entry != NULL’ failed
  • Gtk-WARNING **: Drawing a gadget with negative dimensions. Did you forget to allocate a size? (node grid owner RBHeader)
  • Rework logic of Python support option

How to Install/upgrade Rhythmbox 3.3.1 in Ubuntu:

Besides building from the source, fossfreedom is maintaining a PPA to make it easy to install the latest Rhythmbox music player for all current Ubuntu releases.

1. Launch terminal (Ctrl+Alt+T) and run below command to add PPA:

sudo add-apt-repository ppa:fossfreedom/rhythmbox

Type in your password (no visual feedback just type in mind) when it asks and hit Enter to continue.

2. After that, launch Software Updater and install updates for Rhythmbox, or just run below commands one by one in terminal:

sudo apt-get update

sudo apt-get install rhythmbox

3. (Optional) To downgrade to the stock version of Rhythmbox in your Ubuntu release, use ppa-purge:

sudo apt-get install ppa-purge

sudo ppa-purge ppa:fossfreedom/rhythmbox
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How to Install Grub Customizer 5.0.5 in Ubuntu 16.04 LTS

Last updated: April 4, 2016

Grub Customizer, a graphical configuration tool for Grub and BURG boot-loader, has recently reached the 5.0.x series with Ubuntu 16.04 support and a few fixes.

Grub Customizer provides a graphical interface to make it easy to:

  • create, move, remove, edit Grub menu entries
  • set default OS
  • show or hide Grub menu and change the time delay.
  • change background image, resolution, fonts, etc.
  • install Grub boot-loader to Windows’ MBR, and more.

Grub Customizer, edit menu entries

Grub Customizer General Settings

grub customizer theme settings

How to Install Grub-Customizer in Ubuntu 16.04:

This open-source application is available in the developer’s PPA repository for all current Ubuntu releases and their derivatives.

Install Grub Customizer and receive future updates via Software Updater:

1. Open terminal from App Launcher or via Ctrl+Alt+T keys. When it opens, paste below command to add PPA:

sudo add-apt-repository ppa:danielrichter2007/grub-customizer

Type in password (no visual feedback when typing password) when it asks and hit Enter to continue.

2. Then update package lists and install the software:

sudo apt-get update

sudo apt-get install grub-customizer

Get Grub-Customizer installer directly from PPA packages page:

For those who don’t want to add PPA, grab the .deb package for your system and click install via Software Center.

Grub Customizer PPA Package Page

(Optional) To remove Grub Customizer, use Synaptic Package Manager or run command in terminal:

sudo apt-get remove grub-customizer
In Howtos ,
 

Install Simplenote Desktop App in Ubuntu

Last updated: March 31, 2016

Simplenote, one of the most popular note-taking apps which was first started on iOS, now is available for Linux Desktops.

Simplenote blog announced the release of Simplenote for Linux (and Windows) on Tuesday. It’s an open-source application that is built with React and runs on Electron.

Features:

  • History: drag the History slider to view previous versions.
  • Collaboration: share your note with others and allow them to edit.
  • Publishing: make your note public with its own URL.
  • Tags: organize your notes effectively with tags.
  • Pinning: pin notes right from the note list so they’re easy to find.
  • Markdown support:
    • Enable globally in Preferences -> Writing -> Enable Markdown.
    • Enable in single note by selecting the Info panel icon and toggle the Markdown setting.

Install Simplenote in Ubuntu:

Download the .deb package from its website, then click install via Software Center.

Download for Linux (.deb)

Simplenote for Linux now is in 1.0.0 release. Report bugs and ask requests at github.com/Automattic/simplenote-electron/issues

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How to Upgrade From Ubuntu 15.10 to Ubuntu 16.04 Beta

Last updated: March 30, 2016

Want to try the new Ubuntu 16.04 LTS? Here’s how to upgrade to Ubuntu 16.04 Beta 2 from your Ubuntu 15.10 desktop. You can then update to the final release a few weeks after, on April 21st.

NOTE:

1. This beta has numbers of bugs, don’t do this and wait for the final release if you want a stable system.

2. DON’T upgrade from Ubuntu 14.04 LTS. There’s a known bug upgrading from 14.04.

Preparation:

1. Always first backup your bookmarks, documents, and other data.

2. If you have the proprietary video driver installed, uninstall it and switch back to the open-source driver.

For Nvidia, depends on how you installed the driver, use the official .run from Nvidia website via --uninstall option:

sudo ./NVIDIA-Linux-x86_64-xx.xx.run --uninstall

or remove nvidia-current via command:

sudo apt-get purge nvidia-current

You may also re-install the open-source driver via PPA:

sudo apt-get install xserver-xorg-video-nouveau && sudo rm /etc/X11/xorg.conf

3. Remove/Disable third-party PPAs by going to Software & Updates -> Other Software tab.

4. In Updates tab, enable Proposed repository:

Upgrade Ubuntu:

1. Open terminal (Ctrl+Alt+T) and update your system by running below command:

sudo apt-get update && sudo apt-get dist-upgrade

Type in your password (no visual feedback when typing) when it asks and hit Enter to continue.

You may need to restart your computer to complete installing updates.

2. Once your system is up to date. Launch Software Updater with -d option, so it checks if upgrading to the latest devel release is possible:

sudo update-manager -d

After checking for updates, it prompts that Ubuntu 16.04 LTS is available.

3. Click Upgrade and confirm in next window to start the upgrade process. At the end you’ll be prompted to restart your computer if everything goes well.

Tip: Once Ubuntu 16.04 final is released, run commands in step 1 to update this beta to the final release.

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