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How to Install Kernel 5.6 in Ubuntu / Linux Mint

March 30, 2020 — Leave a comment

upgrade Linux Kernel

Linux Kernel 5.6 was officially released. Linus Torvalds announced:

So I’ll admit to vacillating between doing this 5.6 release and doing another -rc.

This has a bit more changes than I’d like, but they are mostly from davem’s networking fixes pulls, and David feels comfy with them. And I looked over the diff, and none of it looks scary. It’s just slightly more than I’d have preferred at this stage – not doesn’t really seem worth delaying a release over.

So about half the diff from the final week is network driver fixlets, and some minor core networking fixes. Another 20% is tooling – mostly bpf and netfilter selftests (but also some perf work).

…

Linux Kernel 5.5 features WireGuard VPN support, and a lot of other notable improvements, including initial USB 4 support, Amazon’s Echo smart speaker, new Intel, AMD, and Arm hardware enablement.

How to Install Linux Kernel 5.6 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 5.6 are now available for download at the link below:

Download Kernel 5.6

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

  1. linux-headers-5.6.0-xxxxxx_all.deb
  2. linux-headers-5.6.0-xxx-generic(/lowlatency)_xxx_amd64.deb
  3. linux-modules-5.6.0-xxx-generic(/lowlatency)_xxx_amd64.deb
  4. linux-image-xxx-5.6.0-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, 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/v5.6/linux-headers-5.6.0-050600_5.6.0-050600.202003292333_all.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6/linux-headers-5.6.0-050600-generic_5.6.0-050600.202003292333_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6/linux-image-unsigned-5.6.0-050600-generic_5.6.0-050600.202003292333_amd64.deb

wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6/linux-modules-5.6.0-050600-generic_5.6.0-050600.202003292333_amd64.deb

sudo dpkg -i *.deb

Once installed, restart your computer and enjoy!

Uninstall Linux Kernel 5.6:

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 5.5:

sudo dpkg --purge linux-image-unsigned-5.6.0-050600-generic
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How to Install Oracle Java 14 in Ubuntu 18.04, 20.04

March 29, 2020 — Leave a comment

Oracle Java 14 was released more than a week ago. For those want to install it in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10, Ubuntu 20.04, Linux Mint 18.x, 19.x, and their derivatives, an installer script is available in PPA.

For new features and other changes in Java 14, see the announcement.

An Webupd8 team based installer script has been made into the “Linux Uprising” team ppa, which automatically downloads and installs Oracle JDK 14, and sets Java 14 as the default Java version (setting JAVA_HOME, etc.) on 64-bit Ubuntu based machine.

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

sudo add-apt-repository ppa:linuxuprising/java

Type your user password (no asterisk feedback) for sudo prompt and hit Enter to continue.

2.) Then check updates and install the script via 2 commands:

sudo apt-get update

sudo apt-get install oracle-java14-installer oracle-java14-set-default

Skip / remove oracle-java14-set-default in the command if you don’t want to set Oracle Java 14 as default.

3.) Check the result via command: java --version

(Optional) You can remove the PPA repository via Software & Updates utility under Other Software tab.

And remove Java 14 if you want via command:

sudo apt-get remove oracle-java14-installer
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Krita 4.2.9 Released! How to install it in Ubuntu 18.04

March 27, 2020 — Leave a comment

Krita

Open-source painting software Krita 4.2.9 was released as the latest stable version a day ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.10, and Ubuntu 20.04.

Krita 4.2.9 is “really stable after all the testing it had during the beta period”.

  • Improved the brush outline, it’s no longer flickers when hover over the canvas
  • add “Airbrush” and “Airbrush Rate” to the Color Smudge brush
  • add “Split Layer into Selection Mask” feature
  • Increase the limit in Layer Offset to 100k
  • Fix transparency checkers looked white on HDR display

    • And tons of other bug-fixes. See release note for details.

How to Install Krita 4.2.9 in Ubuntu:

The Krita Lime PPA has built the packages for Ubuntu 18.04, Ubuntu 19.10, and Ubuntu 20.04.

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: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-*
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qBittorrent 4.2.2 Released! How to Install it via PPA

March 26, 2020 — Leave a comment

qBittorrent

qBittorrent torrent client 4.2.2 was released a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

qBittorrent 4.2.2 comes with new features, web UI improvements, and various bug-fixes. And python2 support is removed in the search function.

Changes in the new release include:

  • Allow transfer list text color changes through QSS.
  • Option to show console when external program is run.
  • Change the defaults of some settings.
  • Refactored Transfer List code to allow theming.
  • Reorganize UI theme selection.
  • Show any multiple connections from the same IP in peer list.
  • Add stalled filters to GUI and Web API/UI.
  • Use IP geolocation database by DB-IP instead of MaxMind.
  • Allow to save downloaded metadata as torrent file.
  • Allow single app instance per configuration.
  • Option to start qBittorrent on Windows start up.

How to Install qBittorrent 4.2.2 in Ubuntu:

The official qBittorrent PPA has built the new release packages for Ubuntu 18.04, Ubuntu 19.04, and Ubuntu 19.10.

1. To add the PPA, open terminal by either pressing Ctrl+Alt+T on keyboard or 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. If an old version was installed on your system, upgrade it via Software Updater,

upgrade qBittorrent

or run following commands to install /upgrade qBittorrent in 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
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How to Install Code::Blocks 20.03 in Ubuntu 18.04, 19.10

March 25, 2020 — 1 Comment

Code Blocks IDE

Code::Blocks, open-source C, C++, and Fortran IDE, released version 20.03 a few days ago. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10, and derivatives.

Code::Blocks 20.03 was available for a few days, though it’s not officially announced in its website. The Code::Blocks Developers Team PPA has made the packages for all current Ubuntu releases.

To install the new IDE version, open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from application menu. When it opens, do following steps one by one.

1.) Run command to add the PPA repository:

sudo add-apt-repository ppa:codeblocks-devs/release

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

2.) If an old version was installed on your system, upgrade it via Software Updater:

or run commands one by one in terminal to install the IDE:

sudo apt update

sudo apt install codeblocks codeblocks-contrib

Once installed, launch it from your system application menu and enjoy!

Uninstall Code::Blocks

To remove the PPA repository, either go to Software & Updates -> Other Software, or run command in terminal:

sudo add-apt-repository --remove ppa:codeblocks-devs/release

And remove Code::Blocks if you want via command:

sudo apt remove --autoremove codeblocks codeblocks-contrib
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