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Ksnip – Qt based Screenshot Tool with Annotation Feature

Last updated: December 29, 2019

Ksnip is a Qt based cross-platform screenshot tool with many annotation features. It works on Linux, Windows, and Mac OS.

Ksnip works on X11 and Gnome on Wayland. Like other screenshot tools, it can take screenshot of selected rectangular area, full screen, active window with time delay support. It also features:

  • Upload screenshots directly to imgur.com in anonymous or user mode.
  • Command line support.
  • Print screenshot or save is to pdf/ps.
  • Annotate screenshots with pen, marker, rectangles, ellipses, texts and other tools.
  • Add watermarks to captured images.
  • Global HotKeys for taking Screenshots.
  • Many configuration options.

Install Ksnip in Ubuntu:

Ubuntu binary package can be downloaded from the release page in the link below:

Grab the latest .deb package and install it by either Gdebi package installer or running command in terminal (Ctrl+Alt+T):

sudo dpkg -i ~/Downloads/ksnip-*.deb

Once installed, launch it from application menu and enjoy!

(Optional) If you want to remove the screenshot tool, either use your system package manager or run command in terminal:

sudo apt remove ksnip
In App Review
 

MPV media player 0.31 Released (Ubuntu PPA)

Last updated: December 28, 2019

MPV, an open-source MPlayer nd MPlayer2 based media player, released version 0.31 today.

Changes in MPV 0.31 include:

  • Allow configurable swapchain color space for native HDR output
  • Add mechanisms for better logging as preperation for console.lua
  • Introduce a pseudo key name that grabs all text input
  • Add grab zone for resizing window with mouse
  • Implement pseudo client side decorations via OSC
  • Add video filter using vo_gpu’s renderer
  • Added console.lua: interactive REPL for input commands
  • Display Santa hat for idle logo in December
  • Add option to autoselect known good hwdec implementations
  • Peplace old event tap for media key support with MediaPlayer
  • Remove Apple Remote support
  • Many fixes and minor enhancements

How to Install MPV 0.31 in Ubuntu:

Although it’s not available at the moment of writing, you can add the Doug McMahon’s PPA in Ubuntu 18.04, and receive MPV package updates once published via Software Updater.

1.) Open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from application menu. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:mc3man/mpv-tests

Type user password (no asterisk feedback) when it prompts and hit Enter.

2.) If a previous version of MPV was installed, launch Software Updater and you’ll see new MPV package available to upgrade.

Or run command one by one in terminal to install (upgrade) MPV:

sudo apt install mpv

Uninstall:

To downgrade MPV to the stock version in Ubuntu main repositories, run command to purge the PPA:

sudo apt install ppa-purge && sudo ppa-purge ppa:mc3man/mpv-tests

To remove the PPA only, go to Software & Updates -> Other Software tab.

To simply remove MPV media player, either use Ubuntu Software or run command in terminal:

sudo apt remove --autoremove mpv
In Howtos, News
 

How to Install TeXstudio 2.12.18 in Ubuntu 19.10, 20.04

Last updated: December 26, 2019

TeXstudio 2.12.18, an open-source LaTeX text editor, was released today. Here’s how to install it in all current Ubuntu releases including the next Ubuntu 20.04 LTS.

It has been half a year since the last release, the latest TeXstudio 2.12.18 is mainly a bug-fix release. Most notably change is better support of regexp in search (Qt5 version only). There’s also some cwl added, and many bug-fixes.

And TeXstudio 2.12.18 is the latest release supporting Qt4.

How to Install TexStudio 2.12.18 in Ubuntu:

The PPA repository has built the packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10, Ubuntu 20.04, and their derivatives.

1. Open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from software launcher. When it opens, run command:

sudo add-apt-repository ppa:sunderme/texstudio

Type user password (no asterisk feedback) from sudo prompt and hit Enter to add the PPA.

2. If an old version was installed in your system, remove the texstudio-doc, texstudio-l10n (if any) package before upgrading the software:

sudo apt-get remove texstudio-doc texstudio-l10n

3. After adding the PPA, you can either upgrade the editor via Software Updater:

or run commands in terminal to install or upgrade the software:

sudo apt-get update && sudo apt-get install texstudio

Uninstall:

To remove the LaTeX editor, run command in terminal:

sudo apt-get remove --autoremove texstudio

And go to Software & Updates -> Other Software to remove PPA repositories.

In Howtos, News ,
 

3D Kart Racing SuperTuxKart 1.1 RC1 Released (How to Install)

Last updated: December 25, 2019

The first release candidate of SuperTuxKart 1.1 was released a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10, Linux Mint 19.x.

What’s new in SuperTuxKart 1.1 rc1 according to the release note:

  • A new arena: Pumpkin Park
  • Online play improvements:
    • IPv6 client and server support
    • improved synchronization
    • a wider range of add-ons available.
  • Possible to adjust the game’s font size
  • Lots of fixes scaling to 1440p and 4K resolutions
  • Emojis support and available when chatting in servers.
  • iOS support, and more.

How to install SuperTuxKart 1.1 rc in Ubuntu:

The dev PPA has built the packages for Ubuntu 18.04 and higher.

1. Open terminal either via Ctrl+Alt+T keyboard shortcuts, or by searching for ‘terminal’ from app launcher. When it opens, run command:

sudo add-apt-repository ppa:stk/dev

Type user password (no asterisk feedback) when it prompts and hit Enter to continue.

2. Then install the game via commands:

sudo apt update

sudo apt install supertuxkart

Once installed, open the game from your system application launcher and enjoy!

Uninstall:

To remove SuperTuxKart, open terminal and run command:

sudo apt remove --auto-remove supertuxkart supertuxkart-data

To remove the PPA, open Software & Updates -> Other Software, and remove the repository line:

MERRY CHRISTMAS!

In Howtos, News
 

How to Install Darktable 3.0.0 in Ubuntu 18.04, 19.10

Last updated: April 2, 2024

Darktable RAW image editor 3.0 was released today with new major updates. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

Darktable 3.0 comes with a complete rework of the user interface. The GUI now is fully controlled by GTK+ CSS rules, which makes the whole GUI themable. And this version comes with several different themes.

Other changes in the release include:

  • New shortcuts to collapse borders, sidebars, histogram and navigation modules, allowing a new borderless editing experience.
  • Undo/redo support in lighttable for tags, color labels, metadata, etc.
  • A new timeline view in the lighttable.
  • A new ‘culling’ mode added to the lightable view.
  • Improved support for 4K and 5K monitors.
  • Support for exporting to Google Photos
  • More camera support, white balance presets, and noise profiles
  • See the full changes in the github.

How to Install Darktable 3.0 in Ubuntu:

The darktable release PPA seems no longer being updated. I’ve uploaded the 3.0 packages into the unofficial PPA for 64-bit Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10.

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

sudo add-apt-repository ppa:ubuntuhandbook1/darktable

Type user password (no asterisk feedback) for sudo prompts and hit Enter to continue.

2. If an old version was installed, upgrade it using Software Updater:

or run commands in terminal to install Darktable:

sudo apt update

sudo apt install darktable

Uninstall:

To remove the PPA, either launch Software & Updates and navigate to Other Software, or run command in terminal:

sudo add-apt-repository --remove ppa:ubuntuhandbook1/darktable

To remove the RAW image editor, use Ubuntu Software.

In Howtos, News
 

How to Install The Latest Kid3 Tag Editor 3.8.1 in Ubuntu 19.10

Last updated: December 23, 2019

Kid3 audio tag editor released version 3.8.1 today with some improvements, fixes for Linux and Android binary packages.

According to the changelog, Kid3 3.8.1 includes following changes:

  • Show number of files in status bar.
  • Support regular expressions in string replacements.
  • Support format codes in “Filename for cover” in “Extract Album Art” script.
  • The order of string replacements is respected.
  • Show RVA2 identifier in frame table.
  • Show UFID owner and values in frame table.
  • Support setting file name with “Import from Tags”.
  • QML scripts: Skip “–” argument, which is used when passing parameters from qml tool.

The official PPA has built the packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10.

1. Open terminal either from application launcher or by pressing Ctrl+Alt+T on keyboard. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:ufleisch/kid3

Type user password (no asterisk feedback) when it prompts and hit Enter to continue.

2. If an old version was installed, upgrade Kid3 using Software Updater:

or run commands one by one in terminal to install or upgrade to the latest tag editor:

sudo apt update

sudo apt install kid3-qt

You may replace kid3-qt with kid3 in the code for KDE integration, or with kid3-cli for the command-line interface

Uninstall

To remove the PPA repository, either open Software & Updates -> Other Software tab, or run command:

sudo add-apt-repository --remove ppa:ufleisch/kid3

To remove the audio tag editor, either use your system package manager or run command:

sudo apt remove --auto-remove kid3 kid3-*
In Howtos, News , ,
 

HexChat 2.14.3 Released with Fix for Ubuntu’s Yaru Theme

Last updated: December 22, 2019

HexChat IRC client 2.14.3 was released a day ago with important bug-fixes. Here’s how to install it in Ubuntu.

It has been more than one year since the last release. HexChat 2.14.3 was released with following changes:

  • fix various incorrect parsing of IRC messages relating to trailing parameters
  • fix SASL negotiation combined with multi-line cap
  • fix input box theming with Ubuntu’s new default Yaru theme
  • python: Work around Python 3.7 regression causing crash on unload
  • sysinfo: Add support for /etc/os-release
  • sysinfo: Ignore irrelevant mounts when calculating storage size

How to Install HexChat 2.14.3 in Ubuntu:

The software is available as both Snap and Flatpak packages, unfortunately no PPA with recent .deb packages.

HexChat Snap package (runs in sandbox) maintained by the principal developer is available to install in Ubuntu Software.

Note the snap is still 2.14.2 at the moment, though it will auto-update to 2.14.3 once the new package published.

The official HexChat Flatpak package (also runs in sandbox) has been updated to 2.14.3. You can install it via following steps:

1. Open terminal either by pressing Ctrl+Alt+T on keyboard or from Application launcher.

If you’re first time installing a Flatpak package, run following commands to setup the framework.

  • Install flatpak framework via command: 
    sudo apt install flatpak

  • Then add Flathub, the official repository that hosts a large list of Flatpak packages: 
    flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

2. Finally install HexChat Flatpak package via command:

flatpak install flathub io.github.Hexchat

After installation, open the software either from application menu or by running command:

flatpak run io.github.Hexchat

(Optional) To remove the Flatpak package, simply run command in terminal:

flatpak uninstall flathub io.github.Hexchat
In Howtos, News ,
 

Vivaldi Browser 2.10 Released with Better Site Compatibility

Last updated: December 21, 2019

Vivaldi web browser 2.10 was released 2 days ago. Here’s what’s new and how to install it in Ubuntu.

Vivaldi 2.10 removed its name from the user agent string to prevent website servers from identifying the browser and version number. This is because Vivaldi is often blocked by competitors and others from their services, though it should work on any website that works on Chromium.

The new release also features:

  • Match browser themes with operating system light/dark theme
  • Improvements to address bar layout.
  • Improvements in the toggle to show or hide hidden extensions.
  • Significant performance improvements to Quick Commands.
  • For the detailed changes, see the release note.

Download / Install Vivaldi in Ubuntu:

The official Ubuntu .DEB packages are available for download at the link below:

Grab the deb matches your OS, then install it via Ubuntu Software or Gdebi package manager. Or run command in terminal:

sudo dpkg -i ~/Downloads/vivaldi-stable_2.10*.deb

You may also add the official Vivaldi apt repository to your system, to be able to receive the browser package updates via Software Updater utility.

Open terminal by either pressing Ctrl+Alt+T on keyboard or searching for terminal from application menu. When it opens, run following commands one by one:

1. Download and install the repository keyring:

wget -qO- https://repo.vivaldi.com/archive/linux_signing_key.pub | sudo apt-key add -

Typer user password when it prompts and hit Enter to continue.

2. Add Vivaldi repository via command:

sudo add-apt-repository 'deb https://repo.vivaldi.com/archive/deb/ stable main'

3. Finally check updates and install the web browser via command:

sudo apt update && sudo apt install vivaldi-stable

Or upgrade from an old version via Software Updater utility.

(Optional): To remove Vivaldi apt repository from you system, launch Software & Updates and navigate to Other Software tab.

In Howtos, News
 

How to Auto-Hide the Top Panel in Ubuntu 18.04/19.10

Last updated: April 8, 2022

This simple tutorial shows how to auto-hide the top bar in Ubuntu 18.04, Ubuntu 19.10 with the default Gnome desktop.

It’s easy to enable auto-hide the dock (left panel) feature as Ubuntu offers an option in the system settings utility. To run any maximized application window in full-screen like a video player does, you can also make the Gnome top bar auto-hide.

This can be done by a Gnome Shell extension called ‘Hide Top Bar’.

Open Ubuntu Software, search for and install hide top bar gnome shell extension.

UPDATE: For Ubuntu 20.04, install the extension by pressing Ctrl+Alt+T to open terminal and run command:

sudo apt install gnome-shell-extension-autohidetopbar

Once installed, launch the extension settings either from Ubuntu Software in the install page, or by going to Gnome Tweaks -> Extensions.

Enjoy!

Uninstall:

To remove the extension, simply run command:

sudo apt remove gnome-shell-extension-autohidetopbar
In Howtos
 

qBittorrent 4.2.1 Released with Libtorrent Fixes (Ubuntu PPA)

Last updated: December 18, 2019

qBittorrent torrent client 4.2.1 was released today. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

qBittorrent 4.2.1 brings libtorrent fixes which make UDP through proxies work again. The listening IP/interface selection code has been reworked. If you have a specific network interface/local address set in the Advanced Settings, go and make sure that your settings have stayed the same.

Other changes include:

  • Enable portable mode if “profile” directory exists
  • Enable “Apply rate limit to peers on LAN” option by default
  • Expand single-item folders in torrent content
  • Rework the listening IP/interface selection code
  • Bug-fixes and some Web UI changes. See News page for more.

How to Install qBittorrent 4.2.1 in Ubuntu:

The official qBittorrent PPA has built the new release packages for Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

1. To add the PPA, open terminal by either pressing Ctrl+Alt+T on keyboard or searching for “Terminal” from application menu. When it opens, run command:

sudo add-apt-repository ppa:qbittorrent-team/qbittorrent-stable

Type user password (no asterisk feedback) when it prompts and hit Enter to continue.

2. If an old version was installed, upgrade it via Software Updater,

or run following commands to install /upgrade qBittorrent in terminal:

sudo apt update && sudo apt install qbittorrent

Uninstall:

To remove qBittorrent PPA, either go to Software & Updates -> Other Software, or run command in terminal:

sudo add-apt-repository --remove ppa:qbittorrent-team/qbittorrent-stable

To remove the bittorrent client, either use your system package manager or run command:

sudo apt-get remove --autoremove qbittorrent
In Howtos, News