Archives For jimingkui

Handbrake video transcode 1.2.1 was released a few days ago with numerous bug-fixes and improvements.

Handbrake 1.2.1 release highlights:

  • Fixed potential crashes due to use of uninitialized variables
  • Improved minimum duration to only apply to DVD and BD sources
  • Fixed incorrect video rotation where rotation flagged as none
  • Fixed yadif deinterlace filter not properly deinterlacing all frames
  • Fixed missing frame at the end of encodes from m2ts sources
  • Fixed detection of MPEG-1 video in program streams
  • Fixed decoding of MPEG-1 video in DVD sources
  • Fixed Apple VideoToolbox encoding issues related to pyramidal B-frames
  • Fixed lapsharp filter corrupting frame edges
  • Improved NLMeans performance
  • Improved AMD VCE encoding to enable placing key frames at chapter markers
  • Improved calculation of final frame duration
  • Improved support for BT.2020 color space
  • Fixed channel mapping for AAC 5.1 encoding
  • Fixed display of special characters in preset names
  • Fixed exporting presets to sanitize system reserved characters
  • Miscellaneous bug fixes and improvements

How to Install Handbrake in Ubuntu:

Handbrake Ubuntu packages will be available in two or three days. CHECK the official HandBrake PPA before doing following steps.

The official HandBrake PPA offers the latest packages for Ubuntu 18.04, Ubuntu 18.10, and Linux Mint 19.x.

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:stebbins/handbrake-releases

Type user password (no asterisks feedback) when it asks for sudo command and hit Enter to add PPA.

2. Then install the video transcoder via command:

sudo apt install handbrake-gtk handbrake-cli

Linux Mint needs to run command sudo apt update first to refresh system package cache.

Uninstall:

To remove the software, open terminal and run command:

sudo apt remove --autoremove handbrake-gtk handbrke-cli

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

Sigil

Sigil ebook editor released version 0.9.11 a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 18.10, Ubuntu 16.04, and Linux Mint 19.x.

Sigil 0.9.11 release highlights:

  • Sigil’s ini preference files will be utf-8 encoded (Make backups before upgrading).
  • Restore ability to click in the Preview window to reposition to the same point in Code View.
  • Update Sigil’s gumbo parser to fix all known bugs and greatly speedup parsing
  • Add support for internal but unmanifested opf metadata link resources under epub3
  • Extend “Open With” context menu to allow up to 5 external editors per resource type
  • And various bug-fixes.

How to Install Sigil 0.9.11 in Ubuntu:

The new release can be easily installed in Ubuntu 16.04, Ubuntu 18.10, Ubuntu 18.04, Linux Mint 19 via PPA (unofficial) repository.

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

sudo add-apt-repository ppa:ubuntuhandbook1/sigil

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

2. Then you can upgrade Sigil editor from an existing release via Software Updater:

Or install /upgrade Sigil via commands:

sudo apt update

sudo apt install sigil

Uninstall:

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

To remove Sigil epub editor, either use system package manager or run command in terminal:

sudo apt-get remove --autoremove sigil sigil-data

Linux Kernel

Ubuntu 18.04.2 was released a day ago with new HWE stack (newer kernel and X packages backported from Ubuntu 18.10), here’s how to install (or remove) it in current Ubuntu 18.04 machines.

While regular system update does only upgrade to Ubuntu 18.04.2, you need to manually do following steps to install the new hardware enablement stacks.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from application menu:

2. When terminal opens, run command to install the new Hardware Enablement stacks, including Linux Kernel 4.18, and X stack back-ported from Ubuntu 18.10:

sudo apt install xserver-xorg-hwe-18.04

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

Once installed, restart your computer and enjoy!

How to Remove New LTS Enablement Stack in Ubuntu 18.04:

For choice, you can easily remove the new X stack by running following command in terminal:

sudo apt remove xserver-xorg-*-hwe-18.04

Then you have to install back the old X packages via command:

sudo apt install xorg

This quick tutorial shows how to install the latest GNU Emacs 26.1 in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, Linux Mint 18,x, 19.x, and their derivatives.

While Ubuntu ships old versions in its universe repositories and don’t provide future updates, a stable PPA repository maintained by Kevin Kelley contains the 26.1 packages with mailutils, systemd, and xwidgets support for all current Ubuntu releases.

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

sudo add-apt-repository ppa:kelleyk/emacs

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

2. Then install Emacs26 either via Synaptic package manager, or by running following commands one by one in terminal:

sudo apt update

sudo apt install emacs26

For text-only interface, replace emacs26 with emacs26-nox in the last command. And Ubuntu 18.04 and higher can skip apt update command.

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

How to Remove:

To remove Emacs26, open terminal and run commands:

sudo apt remove --autoremove emacs26 emacs26-nox

The PPA can be removed by going to Software & Updates -> Other Software tab.

gnome shell

The Alt+Tab keyboard shortcut allows to quickly switch between opened applications in Ubuntu desktop. However, only one app icon shows in the switcher even mutliple windows of the application are opened.

For those who want to separate all opened windows in Alt+Tab switcher, this quick tutorial will show you how.

1. Open Settings from left panel or application menu.

When it opens, navigate to Devices -> Keyboard.

2. Scroll down and find out the line “Switch windows“, then click and set its keyboard shortcut to Alt+Tab.

That’s it.

To revert the change, look for Switch applications and set its value to Alt+Tab.

Alternative to the default LibreOffice, WPS office is an office suite with user interface similar to Microsoft Office, and supports Microsoft document formats.

WPS Office is developed by Zhuhai-based Chinese software developer Kingsoft. The office suite is made up of WPS Writer, WPS Presentation, and WPS Spreadsheet.

Though there’s official Ubuntu packages available in the WPS download page, the snap (containerized software package) make it easier to install WPS in Ubuntu 18.04 and higher.

Simply open Ubuntu Software, search for WPS and you’ll see 3 packages available.

All the 3 snap packages are the latest (10.1.0.6757 at the moment) and maintained by community. Choose install one you preferred.

Once installed, launch it from application menu and enjoy!

In addition, for Ubuntu 16.04 who want to install WPS snap package, run command in terminal (Ctrl+Alt+T):

sudo apt install snapd && sudo snap install wps-office

TeamSpeak, the number one choice VoIP communication system for Online Gaming, now is easy to install and update its Linux client via the Flatpak package in Ubuntu 18.04 and higher.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut, or from application menu.

2. Paste below command and run to install flatpak framework:

sudo apt-get install flatpak

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

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

4. Finally install TeamSpeak client via command:

flatpak install flathub com.teamspeak.TeamSpeak

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

Uninstall:

To remove the TeamSpeak flatpak package, run command in terminal:

flatpak uninstall com.teamspeak.TeamSpeak

Qmmp Qt-based multimedia player

Qmmp, Qt-based multimedia player, released version 1.3.0 with many new features, improvements, and bug-fixes.

Qmmp 1.3.0 release highlights:

  • Add history plugin.
  • Add mono to stereo converter
  • Add mpg123-based decoder
  • Add PulseAudio volume control
  • Add cover edition feature
  • Add playlist reading/writing optimization
  • Add TAK support
  • Add feature to send listened tracks to ListenBrainz
  • Improvements to skinned plugin, qsui plugin, http plugin, stream browser.
  • Removed mpris1 support, and various other changes.

Qmmp

How to Install Qmmp 1.3.0 in Ubuntu:

Qmmp 1.3.0 is available to install via its official PPA, for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, Linux Mint 18.x and 19.x.

1. Open terminal via Ctrl+Alt+T or from app launcher, and then run command to add the PPA:

sudo add-apt-repository ppa:forkotov02/ppa

Input your password (no asterisks feedback while typing) and hit Enter to continue.

2. If a previous version exists, upgrade Qmmp using Software Updater:

Or run commands to install or upgrade Qmmp and its plugins:

sudo apt-get update

sudo apt-get install qmmp qmmp-plugin-pack

For qt4 version, use qmmp-qt4 and qmmp-plugin-pack-qt4 instead in the last command.

Uninstall:

You can manage the PPA repository via Software & Updates utility, under Other Software tab.

To remove Qmmp music player, either use your system package manager or run command:

sudo apt-get remove --autoremove qmmp qmmp-*

This quick tutorial shows how to install the latest KiCad 5.0.2, open-source electronics design automation suite, in Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Linux Mint 18.x and 19.

KiCad is an open source software suite for Electronic Design Automation (EDA). The programs handle Schematic Capture, and PCB Layout with Gerber output.

The latest release so far is KiCad 5.0.2. Ubuntu users can easily install it from js-reynaud’s PPA.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or from application menu. When it opens, paste below command and hit run:

sudo add-apt-repository ppa:js-reynaud/kicad-5

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

2. If you’ve installed an old version, upgrade the software via Software Updater (Update Manager):

Or run commands one by one in terminal to check updates, and install KiCad:

sudo apt-get update

sudo apt-get install kicad

You can skip apt-get update command for Ubuntu 18.04 and higher

Uninstall:

To remove KiCad EDA, run command in terminal:

sudo apt-get remove --autoremove kicad kicad-*

To remove the PPA added in step 1, open Software & Updates and navigate to Other Software tab.

Visual Studio Code IDE

Visual Studio Code IDE 1.31 was released recently with new features, tree UI improvements, menu updates, and more.

Visual Studio Code 1.31 release highlights:

  • No longer required to reload VS Code when you install or enable an extension.
  • New tree widget
  • Improved keyboard navigation
  • Added cut command in Explorer context menu.
  • More navigation actions added to Go menu.
  • Added keyboard navigation in Linux with custom menus
  • Full multiline issue details in the Problems panel.
  • References: Show History command for the References view.
  • Semantic selection for HTML, CSS, and JSON.
  • Terminal text automatically reflows as panel width changes.
  • Custom user input for task and debug configuration.

How to Install VS Code 1.31 in Ubuntu:

The easiest way is to install the community maintained Snap package, containerized software package, which available in Ubuntu Software:

The 1.31 snap package is not available at the moment, though it auto-updates itself once you installed it.

You can also install the official .deb package which is available for download at the link below:

Download VS Code (.deb)

Grab the deb and install it via either Gdebi package manager or command in terminal(Ctrl+Alt+T):

sudo dpkg -i ~/Downloads/code_*.deb; sudo apt -f install

For those who want to receive updates for VS Code via Software Updater utility, add the Microsoft repository via following steps (64bit only):

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

sudo sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list'

2. Download and install the repository key via commands:

curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg

sudo mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg

3. Finally install the IDE via command:

sudo apt-get install code

Uninstall Visual Studio Code:

To remove the code editor, either use Synaptic Package Manager or run command:

sudo apt-get remove --autoremove code

And remove the Microsoft repository by launching Software & Updates utility and navigating to Other Software tab.