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qBittorrent

qBittorrent bittorrent client released new stable version 4.2.0 a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

qBittorrent 4.2.0 is a new stable series that contains following new features:

  • Support for Libtorrent 1.2.x series
  • Use PBKDF2 for the GUI lock. You will need to set your password again.
  • Allow setting larger checking memory usage in GUI
  • Add “Socket backlog size” option
  • Add “File pool size” option
  • Allow styling with QSS stylesheets
  • Add “Tracker entries” dialog
  • Add “Remove torrent and its files” option to share ratio limiting.
  • Reallow to pause checking torrents
  • Reallow to force recheck torrents that aren’t fully started
  • Add “Preview file” double-click action.

There are also various bug-fixes, a lot of WEB UI changes, and other changes. See the release note for details.

How to Install qBittorrent 4.2.0 in Ubuntu:

This release uses the libtorrent 1.2.x series. If you run it and then downgrade to a previous qBittorrent version then your torrents will probably start rechecking.

The official qBittorrent PPA has built the new release packages for all current Ubuntu releases (though the 16.04 build is broken).

1. To add the PPA, 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:qbittorrent-team/qbittorrent-stable

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

2. Then either upgrade qBittorrent from a previous release via Software Updater,

upgrade qBittorrent

or run following commands to install /upgrade it from 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

Mozilla Firefox released the latest stable 71.0 a day ago. Here’s what’s new and how to install it in Ubuntu.

Firefox 71.0 release highlights:

  • Lockwise (integrated password manager) improvements.
  • More information about blocked trackers
  • Picture-in-Picture video support for Windows. Pop video into a separate small window and always on top.
  • Native MP3 decoding for Windows, Mac OS, and Linux.
  • Various security fixes and more.

Download / Install Firefox in Ubuntu:

You’ll be able to upgrade the pre-installed Firefox to the latest 71.0 release in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10, through the Software Updater in 2 or 3 days (check the building page).

Or install the Firefox 71 Snap package (runs in sandbox) simply from Ubuntu Software. It can be installed alongside pre-installed Firefox.

Also the official non-install Linux package (run the executable from the tarball) as well as Firefox 71.0 release note are available at the link below:

Firefox 71 Release Note & Download

Wine Stable

Wine 4.21 was released a few days ago as the latest development release of the compatibility layer allows to run Windows apps on Linux and Mac OS.

Wine 4.21 release highlights:

  • HTTP proxy configuration through DHCP.
  • Parameter block support in D3DX9.
  • A few more dlls converted to PE.
  • And a total of 50 bug-fixes.

How to Install Wine 4.21 in Ubuntu:

1. Open terminal by either pressing Ctrl+Alt+T on keyboard or searching for ‘terminal’ from application menu. When it opens, run command first to enable 32-bit support:

sudo dpkg --add-architecture i386

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

2. Grab and install the repository key via command:

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

3. Then add Wine repository for Ubuntu 19.10:

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

For other Ubuntu releases, replace eoan in the code with:

  • bionic for Ubuntu 18.04, Linux Mint 19.x
  • disco for Ubuntu 19.04

3. Install unmet dependence: faudio

The wine devel package requires libfaudio0 library which is not available in Ubuntu repositories.

As a workaround, run command to add the third-party PPA

sudo add-apt-repository ppa:cybermax-dexter/sdl2-backport

4. Finally run command to install Wine 4.21, which will automatically install the required libfaudio0 libraries.

sudo apt install --install-recommends winehq-devel

Once installed, run winecfg to bring up the configuration window and check Wine version.

NOTE: If you have unmet dependencies issue, try command sudo aptitude install winehq-devel to get a workaround.

Uninstall:

Open Software & Updates and navigate to Other Software tab. Then remove the PPA, and Wine apt repository lines.

To remove Wine devel package, run command:

sudo apt remove --auto-remove winehq-devel

Krita

Krita 4.2.8 was released a few days ago as a new bug-fix release with a lot of work done on vector shapes, the transform tool and, especially, saving on Windows.

Krita 4.2.8 includes following bug-fixes and/or improvements:

  • Save the preferences when closing the preferences dialog.
  • Save the last used export settings.
  • Possible to save the “All” tag as the current tag.
  • Show the correct blending mode in the brush preset editor.
  • Remove “Show Decorations” option from the transform tool.
  • Remove the CSV export filter
  • Rewrite “auto precision” option in brush preset editor.
  • Make Separate Channels work.
  • Disable adjustmentlayer support on the raindrop filter.
  • Possible to use .kra files as file layers.
  • Fix Rec2020 display format.
  • Add hi-res input events for pan, zoom and rotate.
  • Always ask Windows to synchronize the file systems after saving a file.
  • Fix wrong aspect ratio on loading SVG files.
  • And many crashes, and other bug-fixes, improvements.

How to Install Krita 4.2.8 in Ubuntu:

The Krita Lime PPA has built the packages for Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

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

sudo add-apt-repository ppa:kritalime/ppa

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

2. Then upgrade Krita via Software Updater:

upgrade krita

or run command one by one in terminal to install or upgrade the painting software:

sudo apt update

sudo apt install krita

Uninstall:

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

To remove Krita, run command:

sudo apt remove --autoremove krita krita-*

Linux Kernel

Linux 5.4 Kernel was released today. Here’s how to install it in Ubuntu and Linux Mint.

Linus Torvalds announced the 5.4 Kernel on lkml.org:

Not a lot happened this last week, which is just how I like it. And as expected, most of the pull requests I got were for the 5.5 merge window, which I’ll obviously start working through tomorrow.

Linux 5.4 Kernel brings a lot of new hardware support,including AMD Arcturus GPU, Navi 12 and Navi 14 GPUs, AMD Dali and Renoir APU support,Intel Tiger Lake “Gen 12” graphics,Qualcomm Snapdragon 855 SoC, Intel Ice Lake Thunderbolt support. The new release also features Logitech Linux LOCKDOWN LSM, Lightspeed receiver support, Microsoft exFAT support, and a plethora of other new features and improvements.

How to Install Linux Kernel 5.4 in Ubuntu:

The mainline kernels do not include any Ubuntu-provided drivers or patches. They are not supported and are not appropriate for production use

The mainline kernel packages for Linux 5.4 are available for download at the link below:

Download Kernel 5.4

Depends on your OS type, download and install the packages in turns:

  1. linux-headers-5.4.0-xxxxxx_all.deb
  2. linux-headers-5.4.0-xxx-generic(/lowlatency)_xxx_amd64.deb
  3. linux-modules-5.4.0-xxx-generic(/lowlatency)_xxx_amd64.deb
  4. linux-image-xxx-5.4.0-xxx-generic(/lowlatency)_xxx_amd64.deb

Select generic for common system, and lowlatency for a low latency system (e.g. for recording audio), amd64 for 64bit system, i386 for 32bit system, or armhf, arm64, etc for other OS types.

Alternatively you can download and install the kernel binaries via terminal commands ( open terminal via Ctrl+Alt+T):

For 64-bit OS:

cd /tmp/

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4/linux-headers-5.4.0-050400_5.4.0-050400.201911242031_all.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4/linux-headers-5.4.0-050400-generic_5.4.0-050400.201911242031_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4/linux-image-unsigned-5.4.0-050400-generic_5.4.0-050400.201911242031_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4/linux-modules-5.4.0-050400-generic_5.4.0-050400.201911242031_amd64.deb

sudo dpkg -i *.deb

No 32-bit packages so far as build for 32-bit failed.

Once installed, restart your computer and enjoy!

Uninstall Linux Kernel 5.4:

Restart your machine and select boot with the previous kernel in boot menu ‘Grub2 -> Advanced Option for Ubuntu’. Then run command to remove Linux Kernel 5.4:

sudo dpkg --purge linux-image-unsigned-5.4.0-050400-generic