1. Home/
    2. Archives / Ji m

Archives For jimingkui

VLC 2.2.6 Released with 3 Bugs Fixed [How to Install]

Last updated: May 25, 2017

The VideoLAN team rolled out the new VLC media player 2.2.6 release, less than two weeks after the last VLC 2.2.5 (& 2.2.5.1), with only 3 bugs fixed.

VLC 2.2.6 fixed following bugs in the previous release:

  • Fixed the systematic green line video output on NVIDIA devices.
  • Fixed direct3d SPU texture offsets handling
  • Demuxer: Fixed heap buffer overflows

VLC 2.2.6

How to Install VLC 2.2.6 via PPA in Ubuntu:

While there’s now official Linux packages, you can install VLC 2.2.6 via the third-party PPA, available for Ubuntu 14.04, Ubuntu 16.04, and derivatives.

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

sudo add-apt-repository ppa:jonathonf/vlc

VLC 2.2.5 PPA

2. Then upgrade VLC via Software Updater after checking for updates:

NOTE: if you’re trying to upgrade from VLC version older than 2.2.4, REMOVE VLC first to avoid unmet dependencies issue:

sudo apt-get remove vlc vlc-nox && sudo apt-get autoremove

Uninstall:

To restore VLC media player to the stock version in your Ubuntu main repository, purge the PPA via command:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:jonathonf/vlc
In Howtos
 permalink

LiVES Video Editor 2.8.6 Released! How to Install it via PPA

Last updated: May 24, 2017

LiVES video editing system and VJ tool has reached the 2.8.6 release earlier today with performance improvements and various bug-fixes.

LiVES 2.8.6 changelog:

  • Remove dependency on (deprecated) GLee.
  • Show audio as volume levels in Clip Editor.
  • Performance improvements for multitrack playback.
  • Ensure that timeline track backgrounds are painted in multitrack (regression).
  • Properly expand text width in the message info window.
  • Improve zoom in multitrack (zooms around cursor rather than screen center).
  • Prevent annyoing focus stealing when mt is backed up in the background.
  • Fix broken audio fade in/out (regression).
  • Fix external window capture (regression).
  • Fix crash in palette conversions.
  • Fix compilation issues with liblives scripting engine.
  • Fix for keys being in multitrack fullscreen preview.
  • Code reformatting and tidying (W.I.P)

How to Install LiVES 2.8.6 via PPA in Ubuntu:

An unofficial PPA has made the packages for Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04, and derivatives.

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

sudo add-apt-repository ppa:ubuntuhandbook1/lives

LiVES PPA

2. Then upgrade LiVES via Software Updater if you have a previous release installed:

Or run commands to do update and install LiVES video editor:

sudo apt update 

sudo apt install lives lives-plugins

Uninstall:

To restore LiVES to the stock version in your Ubuntu main repository, run command to purge the PPA:

sudo apt install ppa-purge && sudo ppa-purge ppa:ubuntuhandbook1/lives
In Howtos ,
 permalink

MKVToolNix 12.0.0 Released with Important Bug Fix [How-to Install]

Last updated: June 17, 2018

MKVToolNix 12.0.0 was released a few days ago. It features one rather important bug fix in the HEVC/h.265 code that can result in invalid files. All users are recommended to upgrade.

MKVToolNix 12.0.0 new features:

  • Ctrl+Shift+Space now toggle the selection of the current item in all tree views (multiple selections are allowed).
  • chapter editor: added the extension `*.cue` (for cue sheet files) to the “open chapter file” dialog.
  • When the CUE sheet includes a global title, it will be automatically used for the title tag when the --title option is empty
  • added an option `–no-date` that prevents the “date” field from being written to the segment information headers.
  • header editor: added support for editing the “date” segment information field.
  • Various bug fixes. See the release note.

MKVToolNix 12.0.0

How to Install MKVToolNix 12.0.0 in Ubuntu:

The official MKVToolNix Linux repository has made the packages for Ubuntu 16.04, Ubuntu 16.10, and Ubuntu 17.04.

Open terminal via Ctrl+Alt+T or by searching for “Terminal” from start menu, when it opens, run following commands one by one:

1. Add the repository via command:

sudo sh -c 'echo "deb http://mkvtoolnix.download/ubuntu/ $(lsb_release -sc) main" >> /etc/apt/sources.list.d/bunkus.org.list'

2. Download and install the key via command:

wget -q -O - https://mkvtoolnix.download/gpg-pub-moritzbunkus.txt | sudo apt-key add -

3. Finally upgrade the software via Software Updater if you’ve a previous release installed:

Or run commands to install / upgrade MKVToolNix:

sudo apt-get update

sudo apt-get install mkvtoolnix mkvtoolnix-gui
In Howtos ,
 permalink

Install Simplenote in Ubuntu made easy via Snap

Last updated: May 22, 2017

Simplenote App for Ubuntu

Simplenote, a note-taking application with markdown support, now is available in Ubuntu Linux via Snap package for Ubuntu 14.04, Ubuntu 16.04 and higher.

Simplenote is a free cross-platform note-taking application that features:

  • Markdown with previews and extensive syntax support.
  • instant notes syncing across devices (Linux, web, Android, Mac, Windows and iOS)
  • a tagging system and collaborative editing support
  • publish notes as standalone webpages

Simplenote offers .deb package for Ubuntu Linux in its website. However, a snap version of Simplenote now is available in Ubuntu Snap store, easy to install, dependency bundling, and will automatically be kept up to date.

Simply open terminal (Ctrl+Alt+T) and run command:

sudo snap install simplenote

Tip: The snap package is independent of the traditional .deb package, you can have both version of Simplenote installed on your Ubuntu.

If you’re first time installing a Snap package in Ubuntu, you may need to install snapd service to keep track of your installed snaps, via command:

sudo apt install snapd

Uninstall:

To uninstall the snap version of Simplenote, simply run command:

sudo snap remove simplenote
In Howtos
 permalink

Install Visual Studio Code IDE Easily via Snap in Ubuntu

Last updated: May 29, 2017

Visual Studio Code IDE

MicroSoft’s Visual Studio Code IDE now is super easy to install in Ubuntu 14.04, Ubuntu 16.04, and higher via the Snap package format.

David Callé announced the availability of Visual Studio Code as a Snap a day ago:

Launched in 2015 by Microsoft, Visual Studio Code has imposed itself as one of the preferred code editors in the developer community. Cross-platform (powered by Electron), it features a marketplace of more than 3000 extensions where any language can find its linters, debuggers and test runners.

Visual Studio Code

To install Visual Studio Code in all current Ubuntu releases, simply run command (open terminal via Ctrl+Alt+T):

sudo snap install --classic vscode

That’s it! Installed snaps are automatically refreshed, so you’ll always have the latest release of VS Code installed.

In addition, if you’re first time installing a Snap package in Ubuntu, you need to first install snapd, the service which runs on your machine and keeps track of your installed snaps, via command:

sudo apt install snapd

Like traditional deb packages, the snap version of the software can be launched either from Unity Dash, Gnome application launcher, or other desktop menu, or via command vscode.

Uninstall:

To remove VS Code, run the snap command with remove flag:

sudo snap remove vscode
In Howtos ,
 permalink

OpenShot 2.3.3 Released! How to Install it via PPA in Ubuntu

Last updated: May 19, 2017

OpenShot Video Editor

OpenShot video editor 2.3.3 was released earlier today with many serious stability fixes. The official PPA has updated for all current Ubuntu releases.

OpenShot 2.3.3 fixed up to 25 top crashes and errors. Changes in Openshot 2.3.3 include:

  • Fixed SpaceMovie 3D animated title alpha key frames
  • Fixed bug when selecting effect on a clip
  • Fixed backup recovery issue which would not refresh the timeline on load.
  • Fixed bug destroying the lock file
  • Added C++ exception parsing from archived exception data.
  • Adding a script to parse and aggregate Python error logs for OpenShot
  • Another attempt to fix the race condition causing the “zipimport.ZipImportError: can’t decompress data; zlib not available” when launching a frozen version of OpenShot.
  • Fixed a common error on the title editor
  • Removed NVidia driver from AppImage
  • libopenshot depenency to 0.1.6

OpenShot 2.3.3

How to Install Openshot in Ubuntu via PPA:

For Ubuntu 14.04, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04, and their derivatives, the latest release can be installed via the official OpenShot PPA by following the steps below one by one:

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

sudo add-apt-repository ppa:openshot.developers/ppa

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

2. Then check updates and install openshot 2.3.3 via commands:

sudo apt-get update

sudo apt-get install openshot-qt

Uninstall:

To remove the PPA repository, go to System Settings -> Software & Updates -> Other Software tab.

To the openshot-qt package, either use your system package manager or run command:

sudo apt-get remove openshot-qt && sudo apt-get autoremove
In Howtos
 permalink

How to Install Mesa 17.1.0 via PPA in Ubuntu 16.04, 17.04

Last updated: May 18, 2017

The latest Mesa 3D graphics library 17.1.0, which was released a week ago, now is backported for Ubuntu 16.04 and Ubuntu 17.04 via “Ubuntu-X” team PPA.

Mesa 17.1.0 implements the OpenGL 4.5 API, but the version reported by glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) / glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being used. Some drivers don’t support all the features required in OpenGL 4.5. OpenGL 4.5 is only available if requested at context creation because compatibility contexts are not supported.

Mesa 17.1.0 features:

  • OpenGL 4.2 on i965/ivb
  • GL_ARB_gpu_shader_fp64 on i965/ivybridge
  • GL_ARB_gpu_shader_int64 on i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe
  • GL_ARB_shader_ballot on nvc0, radeonsi
  • GL_ARB_shader_clock on nv50, nvc0, radeonsi
  • GL_ARB_shader_group_vote on radeonsi
  • GL_ARB_shader_precision on i965/ivb
  • GL_ARB_shader_viewport_layer_array on radeonsi
  • GL_ARB_sparse_buffer on radeonsi/CIK+
  • GL_ARB_transform_feedback2 on i965/gen6
  • GL_ARB_transform_feedback_overflow_query on i965/gen6+
  • GL_ARB_vertex_attrib_64bit on i965/ivb
  • GL_NV_fill_rectangle on nvc0
  • Geometry shaders enabled on swr

Install Mesa 17.1.0 in Ubuntu 16.04 / 17.04:

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

1. Add the PPA repository via command:

sudo add-apt-repository ppa:ubuntu-x-swat/updates

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

Mesa ppa

2. Then check updates and upgrade your system to get the latest Mesa library:

sudo apt update

sudo apt dist-upgrade

To check result, run command:

glxinfo | grep "OpenGL version"

How to Restore:

To revert back to the original Mesa 3D graphics library in your main Ubuntu repository, get into command console and run:

sudo apt install ppa-purge && sudo ppa-purge ppa:ubuntu-x-swat/updates
In Howtos ,
 permalink

Make Gnome 3 Look Like Mac OS X in Ubuntu 17.04, 16.10

Last updated: May 17, 2017

gnome shell

Along with a few Gnome Shell extensions, you can now easily make Gnome Desktop look like Mac OS X with ‘Gnome-OSX’, a gnome-specific GTK3 theme.

Gnome-OSX is initially based on the Arc-theme-files. The goal is to implement the feel of OSX on the gnome-applications.

The theme mainly features:

  • Nautilus with blurred sidebar.
  • Same theming across GTK2 and GTK3.
  • Shell theme with white dock and slighty dark top-bar
  • Shell theme with dark dock and dark top-bar

Gnome Shell in OS X style

To get this look and feel in Ubuntu 17.04, Ubuntu 16.10 Gnome Shell, do following steps:

1. Download the ‘Gnome-OSX’ theme from the link below:

Download Gnome-OSX

Under Files tab, grab the first package or the next 4 packages.

Extract the tarball and all you need is the following 4 folders:

  • Gnome-OSX-Dark-Shell
  • Gnome-OSX-Light-Shell
  • Gnome-OSX-II-2-6
  • Gnome-OSX-II-2-6-NT

2. Open file browser, press Ctrl+H (view hidden folders) and go to .themes folder (create the folder if not exist).

Then move the 4 extracted folders to .themes:

3. Apply the GTK theme and Shell theme via Gnome Tweak Tool:

See this tutorial if shell theme is disabled

4. For the icons, I’m using the macOS icons available for download at the link below:

Download macOS icons

Also, extract and move the result folder to .icons folder (create it if not exist) in user home folder. And apply the icon theme via Gnome Tweak Tool.

5. For the bottom dock, go to the link below and install ‘Simple Dock’ extension:

or manually install the extension by following the project description.

6. For the top-left corner Application menu, install this gnome shell extension.

7. To move window buttons to left, open terminal (Ctrl+Alt+T) and run command:

gsettings set org.gnome.desktop.wm.preferences button-layout "close,minimize,maximize:"
In Howtos
 permalink

Enable ‘Shell theme’ in Gnome Tweak Tool in Ubuntu

Last updated: May 15, 2017

gnome shell

This quick tutorial is going to show Gnome Desktop beginners how to enable the ‘Shell theme’ drop-down box in the Gnome Tweak Tool.

A Gnome Shell theme changes shell buttons, colors, panels, etc. The setting is disabled by default in Gnome Tweak Tool, and you’ll see the prompt “Shell user-theme extension not enabled” when you hover the cursor over the alert icon.

shell theme disabled

As it prompts, you need to enable user-theme extension. While it’s not available by default, install it via following steps:

1. Open Firefox web browser and go to https://extensions.gnome.org:

Click the link text “click here to install browser extension” and follow the pop-ups to install the browser extension:

shell browser extension

2. After that, refresh the web page, if you get an error prompt that “native host connector is not detected“,

then open terminal via Ctrl+Alt+T and run command:

sudo apt install chrome-gnome-shell

gnome shell extension

3. Finally go to https://extensions.gnome.org/extension/19/user-themes/.

Click the switch to turn on and then select install the Gnome Shell extension:

User Themes extension

After all, restart Gnome Tweak Tool and you’ll see the Shell theme drop-down box enabled after enabled the User Themes extension.

shell theme enabled

In Howtos , ,
 permalink

Deluge 1.3.15 Released! Install it in Ubuntu 14.04, 16.04 & Higher

Last updated: May 13, 2017

Deluge BitTorrent Client

Deluge BitTorrent client 1.3.15 was released a day ago with various fixes. Web UI users are highly recommended to upgrade to this release due to a security fix.

Deluge 1.3.15 changelog:

  • Fix issues with displaying libtorrent single proxy.
  • Fix libtorrent 1.2 trackers crashing Deluge UIs.
  • Fix error in torrent priorities causing file priority mismatch in UIs.
  • Gtk UI:

    • Configure gtkrc to use consistent button ordering on Windows.
    • Fix column sort state not saved in Thinclient mode.
    • Fix connection manager error with malformed ip.
    • Rename SystemTray/Indicator? ‘Pause/Resume? All’ to ‘Pause/Resume? Session’.
    • Workaround lt single proxy by greying out unused proxy types.
  • Security fix for Web UI: Check render template files exist otherwise raise 404.
  • Some plugin fixes. See the release note.

Deluge 1.3.15

How to Install Deluge 1.3.15 in Ubuntu:

Deluge has an official PPA contains the latest packages for Ubuntu 14.04, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.04, and their derivatives.

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

sudo add-apt-repository ppa:deluge-team/ppa

Type in your password when prompts and hit Enter.

Deluge PPA

2. If you have a previous release installed, upgrade Deluge using Software Updater after checking for updates:

upgrade deluge bittorrent

Or run commands to check updates and install Deluge:

sudo apt-get update && sudo apt-get install deluge

In the command, you may replace deluge with deluge-web for web UI, or deluge-console for console UI, deluged for daemon.

How to Restore:

To restore to the stock version of Deluge BitTorrent client in your main Ubuntu repository, purge the PPA via command:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:deluge-team/ppa
In Howtos ,
 permalink