Ubuntu 20.04 LTS-新功能介绍

Ubuntu 20.04 LTS

Ubuntu服务器的长期支持版本将包含OpenStack，同样地安全更新也将支持至2025年4月，仅限64位平台。

此版本使用了全新的安装器———Subiquity。如你需要Subiquity安装器未包含的安装项，系统文件加密.

Ubuntu 20.04 LTS主要新功能介绍

Ubuntu 20.04 LTS主要新功能介绍
GNOME 3.36 及性能提升
Yaru 主题和新壁纸
Linux 内核 5.4
启动界面显示品牌厂商 LOGO
改善 ZFS 支持
更小的系统镜像文件
GDM 支持多显示器
预装机型将获得系统自动配置

查看下载链接 Ubuntu 20.04 LTS

版本更新简介

Updated Packages

As with every Ubuntu release, Ubuntu 20.04 LTS comes with a selection of the latest and greatest software developed by
the free software community.

Linux Kernel

Ubuntu 20.04 LTS is based on the long-term supported Linux release series 5.4. Notable features and enhancements in 5.4
since 5.3 include:

Support for new hardware including Intel Comet Lake CPUs and initial Tiger Lake platforms, AMD Navi 12 and 14 GPUs, Arcturus and Renoir APUs along with Navi 12 + Arcturus power features.
Support has been added for the exFAT filesystem, virtio-fs for sharing filesystems with virtualized guests and fs-verity for detecting file modifications.

Built in support for the WireGuard VPN.
Enablement of lockdown in integrity mode. 

Other notable kernel updates to 5.4 since version 4.15 released in 18.04 LTS include:

Support for AMD Rome CPUs, Radeon RX Vega M and Navi GPUs, Intel Cannon Lake platforms.
Support for raspberry pi (Pi 2B, Pi 3B, Pi 3A+, Pi 3B+, CM3, CM3+, Pi 4B)
Significant power-saving improvements.
Numerous USB 3.2 and Type-C improvements.
A new mount API, the io_uring interface, KVM support for AMD Secure Encrypted Virtualization and pidfd support.
Boot speed improvements through changing the default kernel compression algorithm to lz4 (in Ubuntu 19.10) on most architectures, and changing the default initramfs compression algorithm to lz4 on all architectures. 

Toolchain Upgrades 🛠️

Ubuntu 20.04 LTS comes with refreshed state-of-the-art toolchain including new upstream releases of glibc 2.31, ☕
OpenJDK 11, rustc 1.41, GCC 9.3, 🐍 Python 3.8.2, 💎 ruby 2.7.0, php 7.4, 🐪 perl 5.30, golang 1.13.

Ubuntu Desktop

New graphical boot splash (integrates with the system BIOS logo).

Refreshed Yaru theme 🎨
Light/Dark theme switching 
GNOME 3.36
New lock screen design.
New system menu design.
New app folder design.
Smoother performance, lower CPU usage for window and overview animations, 
JavaScript execution, mouse movement and window movement (which also has lower latency now).
10-bit deep colour support.
X11 fractional scaling. 
Mesa 20.0 OpenGL stack
BlueZ 5.53
PulseAudio 14.0 (prerelease)
Firefox 75.0
Thunderbird 68.7.0
LibreOffice 6.4 

Network configuration

With this Ubuntu release, netplan.io has grown multiple new features, some of which are:

Basic support for configuring SR-IOV network devices. Starting with netplan.io 0.99,
users can declare Virtual Functions for every SR-IOV Physical Function, 
configure those as any other networking device and set hardware VLAN VF filtering on them.
Support for GSM modems via the NetworkManager backend via the modems section.
Adding WiFi flags for bssid/band/channel settings.
Adding ability to set ipv6-address-generation for the NetworkManager backend and emit-lldp for networkd. 

Storage/File Systems

ZFS 0.8.3 Continuing with what started in the Eoan release, Ubuntu Focal ships zfs 0.8.3. Compared to what was available
in the previous LTS release, zfs 0.8 brings many new features. Highlights include:

Native Encryption (with hardware acceleration enabled in Focal)
Device removal
Pool TRIM
Sequential scrub and resilver (performance) 

赞助广告

查看购买上图商品 淘宝店铺 品牌官网

感谢 lxeridium品牌赞助. 品牌官网：http://www.lxeridium.com 

---

• ← Previous Post
• Next Post →

---

---