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Download the latest LTS version of Ubuntu, for desktop PCs and laptops. LTS stands for long-term support — which means five years, until April 2023, of free security and maintenance updates, guaranteed.

Recommended system requirements

  • 2 GHz dual-core processor or better
  • 2 GB system memory
  • 25 GB of free hard drive space
  • Either a DVD drive or a USB port for the installer media
  • Internet access is helpful

Desktop image

The desktop image allows you to try Ubuntu without changing your computer at all, and at your option to install it permanently later. This type of image is what most people will want to use. You will need at least 1024MiB of RAM to install from this image.

Official download link:

Server install image (iso)

The server install image allows you to install Ubuntu permanently on a computer for use as a server. It will not install a graphical user interface.

Official download link:

Updated Packages

Linux kernel 4.15

Ubuntu 18.04 ships with a v4.15 based Linux kernel, enabling the latest hardware and peripherals available from IBM, Intel, and others. The 18.04 kernel delivers new features inherited from upstream, including:

  • CPU controller for the cgroup v2 interface
  • AMD secure memory encryption support
  • The latest MD driver with software RAID enhancements
  • Improved power management for systems with SATA Link Power Management

We also see notable Ubuntu specific achievements with:

  • Linux security module stacking support
  • Support for signing of POWER host and NV kernels
  • Backport improved support for IBM and Intel hardware from Linux 4.16

OpenJDK

As of 18.04 release, OpenJDK 10 is the default JRE/JDK. Once OpenJDK 11 reaches GA in September 2018, it will become the default in 18.04.

OpenJDK 8 has moved to universe and will remain available there for the life of 18.04, to provide migration time for packages, custom applications, or scripts that can’t be build with OpenJDK 10 or 11. OpenJDK 8 will be updated in 18.04 until Ubuntu 16.04 LTS reaches EOL in April 2021.

 

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