Learn Ubuntu MATE
  • Home
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    • Screen Tearing on AMD Graphics
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      • How to install Realtek WiFi Driver (Pt 2)
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        • Install HWE 20.04
      • Open HEIC Images
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    • Install Ubuntu MATE >
      • Burn an ISO to DVD
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  • Ubuntu MATE
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      • Ubuntu MATE 16.10
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Ubuntu Mainline Kernel Installer

Ubuntu Mainline Kernel Installer is a tool for installing the latest mainline Linux kernel on Ubuntu and Ubuntu based distributions.
"The Linux® kernel is the main component of a Linux operating system (OS) and is the core interface between a computer’s hardware and its processes. It communicates between the 2, managing resources as efficiently as possible." -- Redhat
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Features
  • Fetches list of available kernels from Ubuntu Mainline PPA
  • Optionally watches and displays notifications when a new kernel update is available
  • Downloads and installs packages automatically
  • Display available and installed kernels conveniently
  • Install/remove kernels from gui
  • For each kernel, the related packages (headers & modules) are installed or removed at the same time
How to Install Ubuntu Mainline Kernel Installer:

  1. Open the Terminal (Shortcut: Ctrl + Alt + T)
  2. Type the following command:  
sudo add-apt-repository ppa:cappelikan/ppa
  3. Type the following command:  sudo apt update
  4. Type the following command:  sudo apt install mainline


How to Uninstall Ubuntu Mainline Kernel Installer::

  1. Open the Terminal (Shortcut: Ctrl + Alt + T)
  2. Type the following command:
 sudo apt remove mainline
  3. Type the following command: sudo add-apt-repository --remove ppa:cappelikan/ppa


Ubuntu Mainline Kernel Installer is a fork of ukuu. The developer of ukuu no longer supports the free version of the program; it has switched to a paid license for its current and future releases.

I recommend that you stay with your current kernel on your system unless you are having problems with it. A newer kernel does offer some advantages to your Linux system. Here's some reasons to upgrade your kernel to a newer version:
  • Security - a newer kernel can fix vulnerabilities that may exist in an older kernel.
  • Stability - a newer kernel may fix issues that you get with some older kernels; however, always installing the newest kernel can cause problems.
  • Newest Drivers - a newer kernel usually has the most updated open source drivers. 
  • Speed - a newer kernel usually will improve the overall speed of your Linux system.
  • New Functions - a newer kernel usually gives your system the ability to do things you were unable to do with an older kernel.
My Ubuntu MATE 20.04 system recently got an update and it upgraded my kernel too. The newer kernel changed my system so that it had a lot of screen tearing and my USB Webcam no longer worked. I ran the command inxi -Gx to see what driver was used for my graphics card. I noticed that my graphics driver had N/A and my OpenGL: renderer: llvmpipe (LLVM 10.0.0 128 bits). The upgraded kernel wiped out my graphics driver, so I needed to install a kernel that would allow me to use the graphics driver for my graphics card. I need to either roll back to my old kernel or look for a newer kernel that would work with my system. 
Picture
Ubuntu Mainline Kernel Installer found kernel 5.8.0-44.50~20.04 installed on my system. This is the kernel that messed up my system. I selected kernel 5.10.0-051000 to install on my system. I didn't want to go backwards to an older kernel. Sometimes just upgrading your kernel can fix your problem like the person that wrote OpenGL renderer is llvmpipe instead of using my GPU.  I had to install a newer kernel and then follow the instructions from Ubuntu – Getting rid of llvmpipe. Installing open source drivers correctly.
Picture
After my system rebooted you can see that it updated my kernel. You can see that 5.10.0 is currently running.
Picture
I was then allow to install the proper graphics driver for my graphics card. As you can see below, my driver: amdgpu, ati and my OpenGL: renderer: AMD Radeon HD 78000 Series is the correct driver for my graphics card. My screen tearing no longer appeared on my system and I was able to get my USB Webcam to work again.
Picture
My system is now just as stable as it ever was.
You can see at the time of creating this webpage that the newest kernel is 5.11.3, but I don't recommend that you install it on your system. You can look in the lower left corner to see the active kernel and next to it is the newest kernel available.
Picture
You can hover your mouse pointer over a particular kernel and it will display the packages available or packages needed in order to install that kernel.
Picture
On the right-hand side you will notice seven large buttons: Refresh, Install, Remove, Purge, Changes, Settings, and About.
  • Refresh - this button will update the list of kernels.
  • Install - this button will download all the packages needed for the selected kernel and install it on your system. 
  • Remove - this button will an remove or uninstall an installed kernel from your system.
  • Purge - this button will remove or delete a selected kernel and any configuration files from the list of kernels.
  • Changes - this button will allow you to look at the changes made to a selected kernel. 
  • Settings - this button will allow you change the way the program operates and displays messages.
  • About - this button will display a description of the program, version number, link to website, and credits.
Picture
Here's an example of some of the changes made to kernel 5.10.0. This list was created when I clicked the Changes button.
Picture
The Remove button will be dim until you click on an installed kernel. You then will be able to remove it from your system.
Picture
Clicking the Settings button will bring up a Settings dialog box that will allow you change the way the program operates and displays messages. By default, the two check boxes under the Notification section are checked. This will create a pop-up notification on your screen if you have a new major release or point release. I unchecked both of these boxes since I do not use the most current release. You can adjust how often the program checks for a newer kernel. You can uncheck Hide unstable and RC releases, so that you have only stable releases to select from. An RC version stands for Release Candidate. You may see it written as rc1, rc2, rc3, ... If there is a change in rc1, then it becomes an rc2 as the next Release Candidate. Think of these releases as Beta testing stage. You can also have the program to Skip internet connection check and adjust the time and Maximum concurrent downloads.
Picture
With Ubuntu and Ubuntu derivatives have different kernel variants from Canonical that fall within four categories: 
  • Version-specific, where the kernel base version differs
  • Configuration-specific, where desired kernel configurations are incompatible and the underlying features are not runtime selectable
  • Platform-specific, where a specific platform requires patches that are not currently applicable to the primary kernels
  • Project-specific, where project deadlines require expedited delivery
You will notice a variety of variant kernels. (Information from Ubuntu.com)

You can learn more about the Hardware Enablement (HWE) kernel and the General Availability (GA) kernel from my section called How-To Install Hardware Enablement Stack (HWE) on ver. 20.04 LTS. 
If your system is working without any problems then I don't recommend that you change your kernel; however, if your system starts behaving strangely or different, then you might want to think about upgrading your kernel. Using Ubuntu Mainline Kernel Installer makes changing your kernel an easy task. I do recommend that you turn on or enable Canonical Livepatch or Livepatch. This will allow your system to install kernel security updates without having to reboot your system. This helps improve the security of your system without impacting your uptime.
Microsoft Windows users also have a kernel within their operating system that controls and coordinates programs and processes. Below are three links to help Windows users understand the difference between a Windows kernel and a Linux kernel.
  • What is Windows kernel?
  • What is the Difference Between Windows Kernel and Linux Kernel
  • At the kernel level, what are the fundamental differences between Windows and Linux?


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Mar 8, 2021

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  • Home
    • Screen Tearing on Intel Graphics
    • Screen Tearing on AMD Graphics
    • How to install Realtek WiFi Driver >
      • How to install Realtek WiFi Driver (Pt 2)
    • Authentication is Required to Mount
    • Traditional Menu
    • Software >
      • App Grid
      • AppCenter
      • GNOME Software
      • Modern Apps
    • Welcome & Software Boutique
    • Remove Welcome & Software Boutique
    • TeamViewer
    • Simple How to Tips >
      • Change Wallpaper
      • Pin a Program
      • Change Date & Time
      • Enable Screensavers >
        • Cosmos Screensaver
      • Decrese Icon Padding
      • Enable Magnification
      • Fading Windows
      • Replace Clock Indicator
      • Remove Media Players
      • Create a Submenu
      • Remove the Collection Menu
      • Preferred Applications
      • Upgrade LibreOffice
      • Install Fonts >
        • Install New Fonts
      • Play a DVD
      • Enable Livepatch
      • Update Software
      • Unresponsive Program
      • Install HWE >
        • Install HWE 20.04
      • Open HEIC Images
      • Open WebP Images
      • USB Flash Drive
      • No Audio
      • Screen Flickering
      • Screen Blanking
      • Draining Battery
      • Reduce Shutdown Time
      • Create a Mount Point
      • Thunderbird Emoticons
      • Sound Preview
      • Failed To Download >
        • Failed to Download (#2)
      • Enter Password to Unlock
      • Two Wifi Icons
      • System Program Problem
      • CD Burner Issue
      • Firefox Homepage Fix
      • VLC Closes Fix
      • Desktop Error
      • Trash Bin
      • MATE Weather Applet
      • OpenGL: renderer: llvmpipe
      • PolicyKit vulnerability
    • Install Ubuntu MATE >
      • Burn an ISO to DVD
      • Create a Bootable USB
      • Upgrade Ubuntu MATE
  • Ubuntu MATE
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    • Image Viewer
    • Caja File Manager
    • Trash
    • Play Videos
  • Additional Software
    • Antivirus >
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        • Clamscan Antivirus
        • ClamTK Caja Add-on
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      • PeaZip
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      • Opera
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        • Multiple Name Badges
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      • Spice-Up
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      • Galculator
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      • How To Install R >
        • Install R Commander
        • Install RStudio
      • SpeedCrunch
      • TI-83 Plus
      • TI-84 Plus CE
      • KWordQuiz
      • Granule
    • Graphics >
      • 4K Slideshow Maker
      • Imagination
      • Gnome Screenshot
      • Ksnip
      • Shutter >
        • Shutter 0.94.3
      • PhotoFlare
      • Pinta >
        • Tool Palette >
          • Tool Palette (Cont)
        • File Menu >
          • Screenshot Tool
        • View Menu
        • Edit Menu >
          • Palette
        • Image Menu >
          • Image Size
        • Layers Menu
        • Adjustments Menu
        • Effects Menu >
          • Red Eye Removal
          • Pixelate
        • Add-ins Menu
        • Window Menu
        • Help Menu
        • Restore Layout
        • Pinta 1.7
        • Pinta 2.0.1
      • Bing Wallpapers
      • Variety Wallpaper
      • Converseen
      • Curtail
      • Imagine
      • ​Annotator
      • Aliza MS
      • Brightness Controller
      • Photoprint
      • Peek
    • Image Viewers >
      • Deepin Image Viewer
      • Eye of Gnome
      • Fotoxx
      • Geeqie
      • GPicView
      • gThumb
      • Gwenview
      • Mirage
      • nomacs
      • PhotoQt
      • Phototonic
      • Pix
      • Qimgv
      • qView
      • Ristretto
      • Viewnior 1.6 >
        • Viewnior 1.7
      • XnView MP
      • Xviewer
    • Music Players >
      • Amarok
      • Audacious
      • Clementine
      • DeaDBeeF
      • foobar2000
      • Guayadeque
      • Lollypop
      • Museeks
      • Noise Music Player
      • Pragha
      • Quod Libet
      • Rhythmbox
      • Sayonara
      • Strawberry
      • Violin
    • Networking >
      • Dukto
      • LAN-Share
      • Nitroshare
      • Warpinator
    • Utility Software >
      • BleachBit
      • Stacer
      • Ubuntu Cleaner
      • CPU-G
      • CPU-X
      • Hardinfo
      • I-Nex
      • Caffeine
      • Conky >
        • Widgets & Themes
        • Title Bars
      • deb-get
      • GNOME Split
      • GParted
      • GtkOrphan
      • Ice SSB >
        • MS Office Online
        • Pixlr Editor
        • Photopea
      • KRename
      • KShutdown
      • Magnus
      • Radeon Profile
      • Ubuntu Mainline Kernel Installer
      • Y PPA Manager
    • Sound & Video >
      • Avidemux >
        • Merge Videos
        • Cut Videos
        • Crop Videos
      • Selene
      • Radio Tray >
        • Radio Tray Lite
      • Pithos
      • Spotify
      • Asunder
      • EasyTag
      • SimpleScreenRecorder
      • OBS Studio
      • FF Multi Converter
      • FFmpeg
      • SoundConverter
      • MediaInfo
      • Bomi
      • Gnome MPV
      • MPlayer
      • SMPlayer
      • VLC Media Player
      • HandBrake >
        • Convert A Video
    • Entertainment >
      • Hypnotix
      • IPTVnator
      • Airy TV
      • Crackle
      • Plex Live TV
      • Pluto TV
      • Popcornflix
      • Stirr TV
      • Tubi TV
      • Xumo TV
      • YouTube Movies
      • Plex Media Server
      • Emby Media Server
    • Themes & Colors >
      • Themes
      • Installing Themes
      • Customize Themes #1
      • Customize Themes #2
      • Change App Icons
    • USB Image Writer Tools >
      • GNOME MultiWriter
      • Popsicle
  • Reviews
    • YouTube Reviews >
      • Ubuntu MATE 16.10
      • Ubuntu Mate 17.04
      • Ubuntu MATE 17.10
      • Ubuntu MATE 18.04
      • Ubuntu MATE 20.04
      • Ubuntu MATE 22.04
  • Info
    • How Safe are Your Paasswords >
      • Cyber Security Leaks
      • Hotmail Leak
      • YaHoo Leak
      • Windstream Hacked
    • Windows 7
    • Wireless USB Adapters
  • About
    • In Memory of ...