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The Long-Term Support release of Ubuntu, Ubuntu 22.04 LTS “Jammy Jellyfish” is now available as the Ubuntu default on all eRacks configurations. We also offer custom configurations of Ubuntu, including de-snapify 🙂

Note that one of our favorite Open Source protagonists, Martin Wimpress (Wimpy’s World), published these nifty AI-generated images of what a “Jammy Jellyfish” should look like, and we’ve used one of them here 🙂

Cheers,
eRacks Admin

April 29th, 2022

Posted In: Debian, Linux, News, Open Source, Operating Systems, ubuntu, Upgrades

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    Ubuntu 17.10, code named Artful Aardvark; I guess you already know that Artful means full of art or skill. And Aardvark is a medium-sized, burrowing, nocturnal mammal native to Africa. Colloquially, it is called African Ant Eater.

Nowadays Ubuntu become the world’s most popular desktop Linux operating system, and with its latest short-term support release, it’s clear Canonical want to keep a firm grip on the title.

Artful Aardvark

‘Artful Aardvark’ (Ubuntu 17.10)

As release with Artful Aardvark (Ubuntu 17.10) in October 19, 2017 Canonical continues Ubuntu’s proud tradition of integrating the latest and greatest open source technology into a high-quality, easy-to-use Linux distribution. Ubuntu 17.10 Artful Aardvark marks an all-new chapter in Ubuntu’s already rich history. As always, the team has been hard at work through this cycle, introducing new features and fixing bugs.

Ubuntu 17.10 Debuts with An All-New Desktop

This is the first version of Ubuntu to use GNOME Shell as the default desktop. ‘The HUD, global menu, and other Unity features are no longer included’. By choosing to drop Unity most of Ubuntu’s home-grown usability efforts also fall by the wayside.

Ubuntu 17.10 Desktop

Ubuntu 17.10 Desktop

In Unity’s place comes a bespoke version of GNOME Shell that is ‘customized’ to resemble something that’s superficially close to the Unity desktop layout. The Ubuntu 17.10 desktop uses a two-panel layout: a full-height vertical dock sits on the left-hand side of the screen, while a ‘top bar’ is stripped across the top.

The top bar plays host a new type of app menu, a calendar applet/message tray, app indicators, and a unified status menu for managing network, volume, Bluetooth and user sessions.

Ubuntu Dock

The new Ubuntu Dock is both a task manager and an application launcher. It shows icons for open and running software windows as well as ‘pinned’ launchers for user’s favorite apps.

Ubuntu Dock

Ubuntu Dock

The dock is also global; it displays icons/applications from all workspaces regardless of which one user is actually viewing.

Both the Ubuntu Dock and the top bar are semi-transparent, which adds nice visual presence. When a window touches either element the “dynamic transparency” feature kicks in to render both dock and top bar darker, making panel label contents more legible in the foreground.

Activities & Workspaces

The main “desktop” area remains a usable space on which user can place icons, folders and files.

Though there’s no longer a true global app menu, but the majority of apps place a small menu in the top bar bearing the name of the app in focus. These app menus contain a solitary ‘quit’ button at the least, or a full complement of options at most.

Workspaces

Activities & Workspaces

Workspaces are a common feature found on most modern desktop operating systems including Windows 10, so it’s a good thing that Ubuntu hasn’t ditched them. User can easily move windows between workspaces by clicking on a window and moving it on over the workspace.

Applications Overview

In Ubuntu 17.10 Applications are listed alphabetically, ordered into scrollable pages. User can launch an application by clicking on it, selecting it with keyboard arrow keys and pressing enter, or by touching it.

Applications Overview

Applications Overview

After years of ‘footnote’ releases that brought only minor tweaks, the ‘Artful Aardvark’ brings all-out with change, ready to usher in the new era. Under the hood, there have been updates to many core packages, including a new 4.13-based kernel, glibc 2.26, gcc 7.2, and much more in Ubuntu Desktop. Let’s have a brief list view on some of those updates.

  • On supported systems, Wayland is now the default display server. The older display server is still available: just choose Ubuntu on Xorg from the cog on the log in screen.
  • GDM has replaced LightDM as the default display manager. The login screen now uses virtual terminal 1 instead of virtual terminal 7.
  • Printer configuration is now done in the Settings app: Choose Devices and then Printers. The tool uses the same algorithms for identifying printers and choosing drivers as the formerly used system-config-printer, and makes full use of driverless printing to support as many printers as possible.
  • The default on screen keyboard is GNOME’s Caribou instead of Onboard.
  • Calendar now supports recurring events.
  • LibreOffice has been updated to 5.4.
  • Python 2 is no longer installed by default. Python 3 has been updated to 3.6.
  • The ‘Rhythm box’ music player now uses the alternate user interface created by Ubuntu Budgie developer David Mohamed.
  • The Ubuntu GNOME flavor has been discontinued. If a user is using Ubuntu GNOME, he will be upgraded to Ubuntu.

Note: Install gnome-session and choose GNOME from the cog on the login screen if user would like to try a more upstream version of GNOME. If any user’ d like to also install more core apps, he’d install the vanilla-gnome-desktop met package.

 

    Not only the Ubuntu 17.10 Desktop but also, there are significant changes into the Ubuntu 17.10 Server version too. For the Ubuntu Server 17.10, the OS Version for the printing server has been increased to announce Windows Server 2003 R2 SP2 ID mapping checks added to the testparm(1) tool. There are some ID mapping backends too, which are not allowed to be used for the default backend. Winbind will no longer start if an invalid backend is configured as the default backend. The others are as follows,

Ubuntu 17.10 Server

Ubuntu 17.10 Server

Qemu 2.10

Qemu has been updated to the 2.10 release. Since the last version was 2.8.

Among many other changes there is one that might need follow on activity by the user/admin: Image locking is added and enabled by default. This generally makes execution much safer, but can break some old use cases that now explicitly have to opt-in to ignore/share the locks by tools and subcommands using the –force-share option or the share-rw dqev property.

Libvirt 3.6

Libvirt has been updated to version 3.6.

LXD 2.18

LXD was updated to version 2.18. Some of the top new features of LXD 2.18 are:

  • Native Ceph RBD support.
  • Support for cloud instance types.
  • Pre-seeding of the “lxd init” questions through yaml.
  • New client library.
  • Improved storage handling (volume resize, auto re-mapping on attach, …).
  • A lot of small improvements to the client tool.

DPDK 17.05.2

Ubuntu 17.10 includes the latest release of DPDK that has stable updates: 17.05.2. This made it possible to integrate Open vSwitch 2.8.

Open vSwitch 2.8

Open vSwitch has been updated to 2.8. Though user need to specify dpdk devices via dpdk-devargs.

New BIND9 KSK

The DNS server BIND9 was updated to include the new Key Signing Key (KSK) that was published on July 11, 2017. Starting on October 11, 2017, that key will sign the root zone key, which in turn is used to sign the actual root zones.

Cloud-Init

The cloud-init version was updated to 17.1. Notable new features for cloud-init are as follows,

  • Python 3.6 support.
  • Ec2 support for IPv6 instance configuration.
  • Expedited boot time through cloud-id optimization.
  • Support for netplan yaml in cloud-init.
  • Add cloud-init subcommands collect-logs, analyze and schema for developers.
  • Apport integration from cloud-init via ‘ubuntu-bug cloud-init’.
  • Significant unit test and integration test coverage improvements.

Curtin

The Curtin version is updated to ‘0.1.0~bzr519-0ubuntu1’. New features are:

  • Network configuration passthrough for ubuntu and centos.
  • More resilient UEFI/grub interaction.
  • Better support for mdadm arrays.
  • Ubuntu Core 16 Support.
  • Improved bcache support.

Samba

Samba is updated to version 4.6.7. Important changes in the 4.6.x series are:

  • Multi-process Net logon support.
  • New options for controlling TCP ports used for RPC services.
  • AD LDAP and replication performance improvements.
  • DNS improvements.

    There are many other changes too. We recommend that all users read the release notes, which document caveats, workarounds for known issues, as well as more in-depth Release Notes.

    Users of Ubuntu 17.04 will be offered an automatic upgrade to 17.10. As always, upgrades to the latest version of Ubuntu are entirely free of charge.

Remember, here at eRacks, we offer pre-installed Ubuntu 17.10 Artful Aardvark with our new systems either directly from the OS dropdown, or by custom quote.

October 25th, 2017

Posted In: Debian, Linux, Open Source, servers, ubuntu

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Reasons to Shift to a Heart-Healthy Diet

Your heart is the center of your health and vitality, pumping blood throughout your body to supply your organs and tissues with essential nutrients and oxygen. So it makes sense that if you follow a heart-healthy diet, it can help your cardiovascular health and everything else that your heart affects. Start by cutting out processed and unhealthy foods, such as fast foods and sugary drinks. Replace them with heart-healthy options like whole grains, fruits, vegetables, lean proteins, and low-fat dairy. Speak to your doctor before starting any supplements like the best weight loss pills.

At Ross Bridge Medical Center in Hoover, Alabama, primary care provider Madhav Devani, MD, and his team encourage patients to eat with their heart in mind. So to encourage you to do that, Dr. Devani explains five major benefits of eating a heart-healthy diet.

COMPONENTS OF A HEART-HEALTHY DIET PLAN

A heart-healthy diet plan consists of eating foods that will help you improve your cardiovascular system and overall health. This type of plan typically involves the following strategies:

    • Controlling your portion sizes
    • Adding more vegetables and fruits to your meals and snacks
    • Opting for whole grains
    • Limiting consumption of unhealthy fats, such as those found in red meat and dairy
    • Relying on low-fat sources of protein, such as skinless poultry and lean fish
  • Cutting back on salt in your meals and snacks

A heart-healthy diet plan also includes plenty of exercise. You should aim for at least 30 minutes of exercise — such as walking — for 30 minutes a day, five days a week.

BENEFITS OF EATING A HEART-HEALTHY DIET

There are many benefits of consuming a diet with your heart in mind. Here are some of them:

1. LOWER YOUR BLOOD PRESSURE

Eating a heart-healthy diet can benefit your blood pressure, blood sugars, and triglycerides. If you’re concerned about high blood pressure, or if you have a condition that causes blood sugar swings, such as diabetes, then changing your diet to be more heart-healthy could improve those issues as well.

For patients with high blood pressure, the Ross Bridge Medical Center team often recommends the DASH plan, which stands for “dietary approaches to stop hypertension.” The DASH diet focuses on the following:

    • Limiting sodium intake
    • Limiting saturated fats
    • Reducing sugar intake
  • Consuming more foods rich in potassium, calcium, and magnesium, which are nutrients that actively help regulate blood pressure

2. REDUCE YOUR CHOLESTEROL

Cholesterol can clog your arteries, which deliver blood from your heart to the other tissues in your body. This, in turn, can lead to a heart attack. Heart attacks occur in the United States about every 40 seconds. Fortunately, eating a heart-healthy diet can help lower cholesterol levels.

Dietary strategies include decreasing consumption of saturated and trans fats, which are often found in processed foods, red meat, and dairy.  These fats should be replaced with monounsaturated and polyunsaturated fats, which are found in olive oil, sunflower oil, avocados, and nuts, read more about gut health supplements.

And, consuming more fiber, such as that found in oats, legumes, flaxseed, apples, and citrus fruits, can also help lower your cholesterol levels.

3. REDUCE YOUR WAISTLINE

Taking the steps needed to protect your heart, such as eating a healthy diet and getting active for at least 150 minutes of medium-intensity activity every week, can also affect your waistline. By eating right and exercising, you can improve your heart health and enjoy a more trim figure.

4. INCREASE YOUR ENERGY LEVELS

Having a healthy heart can also help you have more energy. And foods that can help keep your heart healthy, such as nuts, seeds, avocados, olives, lean meat, fish, whole grains, fruits, and vegetables, can give your heart the vitamins, minerals, and nutrients it needs and help keep you energized at the same time. Testosterone booster supplements are designed to support testosterone production in the body, which in turn can increase energy levels. Testosterone is an important hormone that regulates muscle mass, bone density, and red blood cell production, while also affecting mood and energy levels.

5. INCREASE YOUR LONGEVITY

Heart disease is the No. 1 cause of death in both men and women worldwide. Furthermore, heart disease is the cause of one in every four deaths in the United States.

So, if you can improve your heart health by making changes to your dietary choices, you can potentially increase your longevity and extend your lifespan.  Testosterone booster supplements may have a positive effect on heart health. Some studies have shown that testosterone therapy in men with heart disease can lead to improvements in symptoms such as chest pain, shortness of breath, and fatigue, as well as improvements in heart function. Check performer 8 reviews .

December 21st, 2013

Posted In: Debian, News, Operating Systems, Upgrades

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