Gscan2pdf, GTK tool to produce PDF / DjVu from scanned document, released version 2.5.6 with stability improvements. Here’s how to install it in Ubuntu.

Gscan2pdf 2.5.6 release highlights according to the changelog:

  • Prevent Negate from changing the alpha channel.
  • Avoid image corruption with colour images when applying WhiteThreshold after BlackThreshold.
  • Extended edit profile functionality in scan dialog to current scan options, when no profile selected.
  • Don’t try to compress log file if it wasn’t created.
  • Don’t blacklist empty device name
  • Improve layout of multiple message dialog.
  • Don’t use tiff2pdf to create temporary PDF to check for pdftk.
  • Fix --import option.
  • Fix updating extended page numbering on scan dialog after changing document
  • Fix printing.
  • Set “wait” cursor while scan options are being loaded and “progress” cursor while scanning.
  • Use gtk-3 cursors for ImageView widget
  • Ghost scan button while scan options are being loaded and scanning.
  • Fix bug storing responses from multiple message window when no responses had been stored before.

How to Install gscan2pdf 2.5.6 in Ubuntu:

The official Ubuntu PPA has made the new release packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04 and their derivatives.

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:jeffreyratcliffe/ppa

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

2. For those who have a previous release installed, upgrade it through Software Updater:

upgrade gscan2pdf

For the first time, you can either install it via Synaptic Package Manager or by running following commands in terminal:

sudo apt-get update

sudo apt-get install gscan2pdf

How to Remove:

To remove gscan2pdf, either use your system package manager or run command:

sudo apt-get remove --autoremove gscan2pdf

And the PPA can be removed via Software & Updates utility, under Other Software tab.

RawTherapee

Free raw image processing software RawTherapee 5.7 was released a day ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, and derivatives.

RawTherapee 5.7 release highlights:

  • Film Negative tool
  • Support for reading “rating” tags from Exif and XMP
  • Updated CMake, GTK+, and other library requirements
  • Hundreds of bug fixes, speed optimizations and raw format support improvements.

Download / Install RawTherapee 5.7 in Ubuntu:

The official Linux Appimage, single executable to launch the software (non-install), is available for download in the previous link

For Ubuntu 18.04, Ubuntu 19.04, Linux Mint 19.x, you can also install RawTherapee 5.7 via this unofficial PPA.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for “Terminal” from application menu. When it opens, run command:

sudo add-apt-repository ppa:dhor/myway

Type user password (no asterisk feedback due to security reason) when it prompts and hit Enter to add the PPA.

2. After that, upgrade the software via Software Updater if a previous version was installed:

or run commands one by one in terminal to install RawTherapee:

sudo apt update

sudo apt install rawtherapee

How to Remove:

To uninstall the free raw developer, run command in terminal:

sudo apt-get remove --autoremove rawtherapee

And remove the PPA via Software & Updates utility under Other Software tab, by removing the line says “http://ppa.launchpad.net/dhor/myway/ubuntu”.

KeePass2

KeePass password manager 2.43 was released today with user interface and integration enhancements. All users of version 2.x are recommended to upgrade to the new 2.43 release.

Changes in KeePass 2.43 include:

  • Added option ‘Remember password hiding setting in the main window’
  • Added yellow intermediate step in password quality progress bars.
  • Added trigger events ‘Synchronizing database file’ and ‘Synchronized database file’.
  • Enhanced the Password Agent import module to support XML files created by version 3.
  • KeePass now excludes itself from Windows Error Reporting.
  • Added workaround for .NET initial focus bug.
  • Auto-Type improvements.
  • Improved main window state handling.
  • Improved construction and updates of the main menu and the group/entry context menus.
  • Main menu items can now be deselected by pressing the Esc key.
  • Improved performance of automatic scrolling in the main entry list.
  • Various other improvements.

How to Install KeePass 2.43 in Ubuntu:

KeePass2 website only offers source tarball for downloading at the link below:

Download KeePass2 Source

Julian Taylor’s PPA now contains the 2.43 packages for Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10,

1. Open terminal via Ctrl+Alt+T or by searching for “Terminal” from app launcher. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:jtaylor/keepass

Type user password (no visual feedback while typing due to security reason) when it asks and hit Enter.

KeePass2 PPA

2. Then upgrade KeePass password safe via Software Updater if you have a previous version installed:

upgrade KeePass2

Or run commands to install / upgrade the software:

sudo apt-get update && sudo apt-get install keepass2

Uninstall:

The PPA repository can be removed via Software & Updates utility under Other Software tab. To remove KeePass password safe, simply run command:

sudo apt-get remove --autoremove keepass2

Mumble, open source low latency and high quality voice chat utility, released new major 1.3.0 released a day ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 16.04, and even Ubuntu 14.04.

Mumble 1.3.0 is the new major release that features over 3000 changes. Release highlights include:

  • New Lite and Dark themes
  • Individual user volume adjustment (local)
  • Dynamic channel filtering
  • Attenuate other users while talking as Priority Speaker.
  • An optional clock (current time) in the overlay
  • Overlay: support for DirectX 11
  • Improved user management, banlist, avatar handling for administrators.

And there are many many other changes, see the announcement for details.

How to Install Mumble 1.3.0 in Ubuntu 18.04, 16.04:

Mumble Team PPA has built the new release package for Ubuntu 16.04, Ubuntu 18.04, and even Ubuntu 14.04.

1. Open terminal either from application menu or by pressing Ctrl+Alt+T on keyboard. When it opens, paste below command and hit Enter:

sudo add-apt-repository ppa:mumble/release

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

2. If an old release was installed, simply upgrade Mumble via Software Updater:

Or run commands one by one in terminal to check updates and install the chat utility for gamer:

sudo apt-get update

sudo apt-get install mumble mumble-server

Uninstall Mumble:

You can purge the PPA which also downgrade the VoIP chat app to the stock version via command:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:mumble/release

To simply remove mumble, either use system package manager or run command in terminal:

sudo apt-get remove mumble mumble-server

This quick tutorial shows how to install RuneLite, Old School RuneScape client, in Ubuntu 18.04, and higher.

RuneLite is a free and open-source Old School RuneScape client written in Java. While the software offers single executable appimage (non-install) and jar files for Linux, here’s how to install it using the flatpak package.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from application menu. When it opens, paste below command and hit run to install flatpak framework:

sudo apt-get install flatpak

2. Add flathub repository, which hosts a large list of flatpak applications:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

3. Finally install RuneLite via command:

flatpak install flathub net.runelite.RuneLite

Once installed, launch the software from application menu and enjoy!

Uninstall:

To remove Gnome Feeds flatpak package, run command in terminal:

flatpak uninstall net.runelite.RuneLite