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Install Ubuntu 20.04.1 as Virtual Box Guest on Fedora 32 Server

Install Ubuntu 20.04.1 as Virtual Box Guest on Fedora 32 Server

Install CentOS 8.2 KVM Guest on SparkyLinux2020.09 via Web Cockpit Console

First notice that we are installing on Ryzen box with board MSI X570 A-PRO in UEFI mode with "kvm" enabled. First of all we intend to verify that kvm has been enabled $ dmesg | grep kvm => [ 4.376968] kvm: Nested Virtualization enabled => [ 4.376978] SVM: kvm: Nested Paging enabled => and proceed with installing Virtualization Host the same way we would do it on Debian “bullseye”

Setting up Sqlite3 Python embedded database and Sqlitebrowser on CentOS 8.2

First install "Development Tools", rebuild Python 3.8.5, after installation sqlite-devel. Afterwards build sqlitebrowser from source rather then install via snap, just a couple qt5-devel packages would have to be installed for successful build on CentOS 8.2.

Install KVM&Libvirt on SparkyLinux2020.08

Deployment of simple SparkyLinux2020.08 configuration on bare metal is supposed to be performed with "btrfs" file-systems for "/boot" and "/" .Otherwise virt-manager will report failure of deploying any guest due to /var/lib/libvirt/images/ "folder" , which for Libvirt 6.6.0 && Qemu 5.1.0, should already belong to "btrfs" formatted file-system at least at time of writing of this post.

Enable UEFI Support for KVM Virtual Machines on F32 Server via Web Cockpit Console

The major target of posting bellow is supposed to demonstrate that virt-manager is not required to enable UEFI support for KVM Guest on Linux . See recent post at Lxer "Enable UEFI Support For KVM Virtual Machines In Linux". First - don't specify "Start immediately" and switch Firmware to "UEFI" been inside Web Cockpit Console

Install Transmission with web interface on Manjaro Gnome 20.0.3

Transmission by default doesn’t have the web client enabled in it. However, the packages transmission-gtk and transmission-cli are available via system repositories and would work for you with a bit a more efforts then on Debian systems. What exactly I mean is to create manually service unit for transmission-daemon according to systemd requirements and tune several kernel parameters via sysctl to avoid errors at start up of transmission-daemon service.

Install KVM && Web Cockpit Console on Manjaro Gnome 20.0.3

Attempt to test another Linux distro Manjaro Gnome 20.0.3 as Virthost managed via Cockpit Web Console, i.e. deployment and management KVM guests on the recent Manjaro GDM utilizing Web Console rather then virt-manager .

Install KVM && Web Cockpit Console on SparkyLinux 2020.6

It's nice to have virt-manager installed ( Spice console ) but presence of Web Cockpit Console is quite enough to manage guest's deployment via clicking button "Remote Virt-viewer" built into Cockpit Web Console. Bridge attached to external network interface was also created pretty smoothly utilizing network management section inside Web Console.

Install KVM && Web Cockpit Console on Fedora 32 Server

The core target of deployment below is to create KVM guest on F32 Server Virthost attached to external office LAN rather then to default libvirt network. As bridge creating tool Web Cockpit Console was selected. Spice console is still utilized to manage guest forked via Web Console.

3 Ways to Create a Network Bridge in RHEL/CentOS 8

  • https://www.tecmint.com/; By Aaron Kili (Posted by dba477 on Jun 19, 2020 6:39 PM EDT)
  • Story Type: Tutorial; Groups: Linux, Red Hat
A network bridge is a data-link layer device that interconnects two or more network segments, offering communication between them. It creates a single network interface to set up a single aggregate network from multiple networks or network segments. It forwards traffic based on the MAC addresses of hosts (stored in a MAC address table).

Install Grub Customizer on SparkyLinux 2020.06

Grub Customizer is a GUI management tool for updating the default configurations of the grub bootloader. The important thing is that in the case when something went wrong during editing session you have an option to discard updates when quieting Grub Customizer

What You Need to Know About Snaps on Ubuntu 20.04

  • https://www.howtogeek.com; By Dave McKay (Posted by dba477 on Jun 12, 2020 10:31 PM EDT)
  • Story Type: Reviews, Tutorial; Groups: Ubuntu
Ubuntu 20.04 Focal Fossa is a fantastic release that’s been widely praised. However, the decision to change the Software Center to install snap-based applications is controversial. We’ll explain what that means for you.

SparkyLinux 2020.06 shows up amazing performance even running Gnome 3.36.2

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on Jun 12, 2020 7:19 AM EDT)
  • Story Type: Tutorial; Groups: Debian
Sparky Linux has received the system upgrade powered by the latest Debian testing reports as of June 5, 2020, so you are supposed to get a lot of improvements with this release. You can also switch to Linux kernel version 5.7.1 via standard Debian's commands. Just keep in mind Sparky 2020.06 belongs the (semi-)rolling line.

Install Gnome 3.36 on top of Linux Lite 5.0 via snapd daemon

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on Jun 6, 2020 5:40 PM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
Dropping Snap support on Linux Mint 20 forces me to consider Linux Lite 5.0 as a preferred choice of light weight clone for Ubuntu 20.04. Snapd daemon could be installed on Linux Lite 5.0 with no issues. So Gnome 3 Desktop installation might be done via "sudo snap install" as quite straight forward procedure.

Why wait for Linux Mint Ulyana rather then install Cinnamon Desktop on native Ubuntu 20.04 ?

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on May 22, 2020 5:39 AM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
That is a tutorial how to install Cinnamon Desktop as an alternative desktop on Ubuntu 20.04 Focal Fossa Desktop or Server Linux. Provided as a simple slide show. You would have to run just one command $ sudo apt install cinnamon-desktop-environment

Install Transmission with web interface on CentOS 8.1

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on May 18, 2020 1:03 AM EDT)
  • Story Type: Tutorial; Groups: Linux
There could be many reasons why you might want to have Transmission web interface. Transmission by default doesn’t have the web client enabled in it. However, the packages with the same names as on Debian based system are available via system repositories and would work for you on CentOS 8.X Servers and Fedora 32 Servers and WKS.

Install Transmission with web interface on UbuntuDDE Remix 20.04

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on May 11, 2020 3:18 AM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
There are actually many reasons why you might want to have Transmission web interface. One of these is when your office doesn’t allow access to torrents but you still wish to download them with only one intend to get the job done as soon as possible.

Just another KVM setup on Deepin 20 Beta

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on May 5, 2020 11:56 PM EDT)
  • Story Type: Tutorial; Groups: Debian, Fedora
I've made installation on bare metal and have to notice that after system reboot during major system load obtained several times "Tainted warning" from 5.3 kernel and consequently failure to boot up system, however finally (after cold shutdown ) something inside instance started to work properly but once again boot up time seems to be too much versus Fedora 32, easily installing DDE as second desktop environment, booting up speed is extremely slow. I realize that compete with with RH's system couldn't be easy for Debian based clone kind of Deepin 20

Straight forward install Deepin Desktop on development instance Ubuntu 20.04 Gnome

  • https://dbaxps.blogspot.com; By Boris Derzhavets (Posted by dba477 on May 5, 2020 2:16 AM EDT)
  • Story Type: Reviews, Tutorial; Groups: Ubuntu
UbuntuDDE is a Remix flavor of Ubuntu system with Deepin Desktop Environment (DDE) . Its initial release will be UbuntuDDE Remix 20.04 focal based on Ubuntu 20.04 LTS and will be supported by the UbuntuDDE community.

Unix Vs Linux: What Is Difference Between UNIX And Linux

Unix and Unix-like operating systems are a family of computer operating systems that derive from the original Unix System from Bell Labs which can be traced back to 1965. Linux is the most popular variant and there comes in a number of different distributions.Linux is nothing but a UNIX clone which is written Linus Torvalds from scratch with the help of some hackers across the globe.

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