Archives For Howtos

KeePass2

KeePass password manager 2.36 was released early this month with many new features and improvements. Now you can install it via a PPA in Ubuntu 14.04, Ubuntu 16.04, Ubuntu 17.04, and derivatives.

KeePass was originally for Windows only, but now uses Mono to run on Linux. For those who want a native Linux password manager software, try KeePassX or KeePassXC.

New features in KeePass 2.36:

  • Added commands ‘Find Duplicate Passwords’ and ‘Find Similar Passwords’.
  • Added command ‘Password Quality Report’.
  • Added option ‘String name’ in the ‘Edit’ -> ‘Find’ dialog.
  • Added option for using a gray tray icon.
  • Added {CMD:/…/} placeholder, which runs a command line.
  • Added {T-CONV:/…/Raw/} placeholder, which inserts a text without encoding it for the current context.
  • Added optional ‘Last Password Modification Time (Based on History)’ entry list column.
  • The internal text editor now supports editing PS1 files.
  • The position and size of the internal data viewer is now remembered and restored.
  • For various dialogs, the maximized state is now remembered and restored.
  • Added configuration option for specifying an expiry date for master keys.
  • Added configuration option for specifying disallowed auto-type target windows.
  • Added workaround for Edge throwing away all keyboard input for a short time after its activation.
  • Added workaround for Mono not properly rendering bold and italic text in rich text boxes.
  • TrlUtil now performs a case-sensitive word validation.

How to Install KeePass 2.36 in Ubuntu:

Open terminal via Ctrl+Alt+T or by searching for “Terminal” from app launcher. When it opens, run following commands one by one:

1. Run command to add the KeePass2 PPA:

sudo add-apt-repository ppa:jtaylor/keepass

Type in your 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

QOwnNotes

QOwnNotes is an open-source note-taking and todo list manager with markdown support and ownCloud / Nextcloud integration. It works on Linux, Mac OS X, and Windows.

With QOwnNotes, you can:

  • write down your thoughts and they are stored stored as plain-text files on your computer.
  • Sync notes over devices (desktop & mobile) with ownCloud or Nextcloud sync client.
  • Use ownCloud Notes to edit your notes in the web.

The latest release so far is QOwnNotes 17.06.5, a small bug-fix release with also translation updates. See HERE for more details.

QOwnNotes

How to Install QOwnNotes in Ubuntu 16.04 and Higher:

The official QOwnNotes PPA offers the latest packages for Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04, and derivatives.

1. To add the PPA, open terminal via Ctrl+Alt+T and run command:

sudo add-apt-repository ppa:pbek/qownnotes

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

2. Then install the software either via Synaptic package manager or by running commands:

sudo apt-get update

sudo apt-get install qownnotes

Uninstall:

To remove the software, either use your system package manager or run command in terminal:

sudo apt-get remove --autoremove qownnotes

To remove the PPA, launch Software & Updates utility and navigate to Other Software tab.

Wine Stable

The new Wine development release 2.11 was announced days ago. Available for install in all current Ubuntu releases via its official repository.

According to the announcement, Wine 2.11 features:

  • OpenGL support in the Android driver.
  • Support for security labels.
  • Relay debugging on ARM64.
  • More dictionary support in WebServices.
  • New registry file parser in RegEdit.
  • A total of 16 bug-fixes.

How to Install Wine 2.11 in Ubuntu / Linux Mint:

For Ubuntu 14.04, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04, Linux Mint 17.x and 18.x, open terminal via Ctrl+Alt+T and run following commands one by one:

1. Add the official wine repository via command:

sudo apt-add-repository https://dl.winehq.org/wine-builds/ubuntu/

For Linux Mint 18.x, use following command to add the repository:

sudo apt-add-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ xenial main'

For Linux Mint 17.x, replace xenial in the code with trusty.

2. Install the repo GPG key to be able to receive software updates:

wget -nc https://dl.winehq.org/wine-builds/Release.key && sudo apt-key add Release.key

3. Finally update and install the latest Wine development release:

sudo apt-get update

sudo apt-get install --install-recommends winehq-devel

Uninstall:

To remove wine dev release, simply run command in terminal:

sudo apt-get remove --autoremove winehq-devel

And you can manage the repository via Software & Updates utility under Other Software tab.

digiKam 5.6.0

The digiKam photo management software has reached the new stable 5.6.0 release with exciting new features and more than 81 issues closed.

New features in digiKam 5.6.0 according to the announcement:

  • The HTML gallery and Video Slideshow tools are back and available via tools menu.
  • database shrinking is also possible for MySQL databases.
  • improved the grouping items feature
  • support for custom sidecars
  • Geolocation Bookmarks has been rewritten to work with bundle version of digiKam (e.g., Appimage).

digiKam 5.6.0

How to Install digiKam 5.6.0 in Ubuntu 17.04:

Due to requirement of higher Qt5 library version, digiKam 5.6.0 is only available for Ubuntu 17.04 through PPA.

1. Open terminal via Ctrl+Alt+T, then run command to add the PPA:

sudo add-apt-repository ppa:philip5/extra

Type your password when prompts and hit Enter.

2. Then upgrade digiKam via Software Updater (Update Manager):

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

sudo apt update && sudo apt install digikam

Install digiKam 5.6.0 in Ubuntu 16.04:

For Ubuntu 16.04, Ubuntu 16.10, and old versions download the AppImage from the link below:

Download digiKam (AppImage)

AppImage is a single executable package, give its permission from file’s ‘Properties’ window:

Then run the file to launch digiKam (don’t see ‘Run’ option? go to menu Edit -> Preferences -> Behavior -> Run Executable text files when they are opened):

The first launch will ask you if to install a shortcut for the AppImage.

The Opus audio codec reached the new major 1.2 release a few days ago with many quality improvements, new features, and bug fixes.

Changes in Opus 1.2 includes:

  • Speech quality improvements especially in the 12-20 kbit/s range
  • Improved VBR encoding for hybrid mode
  • More aggressive use of wider speech bandwidth, including fullband speech starting at 14 kbit/s
  • Music quality improvements in the 32-48 kb/s range
  • Generic and SSE CELT optimizations
  • Support for directly encoding packets up to 120 ms
  • DTX support for CELT mode
  • SILK CBR improvements
  • Support for all of the fixes in draft-ietf-codec-opus-update-06 (the mono downmix and the folding fixes need --enable-update-draft)
  • Many bug fixes, including integer wrap-arounds discovered through fuzzing (no security implications)

Besides building the codec from source, a third-party PPA now is available to make it easy to install Opus 1.2 in Ubuntu 16.04 and/or Ubuntu 14.04.

1. Open terminal via Ctrl+Alt+T or by application launcher, when it opens, run command to add the PPA:

sudo add-apt-repository ppa:jonathonf/ffmpeg-3

Type in your password (no visual feedback due to security reason) when it asks and hit Enter.

2. Then upgrade the library and opus-tools via Software Updater:

Or simply run commands in terminal:

sudo apt-get update

sudo apt-get install libopus0 opus-tools

NOTE: the PPA contains the latest FFMPEG 3 packages. If you want to install it, the Tesseract OCR PPA is required in Ubuntu 14.04 for the dependencies.

f you don’t want to upgrade your ffmpeg libraries, remove the PPA via command:

sudo add-apt-repository --remove ppa:jonathonf/ffmpeg-3