![]() ![]() This last LTS version includes WireGuard VPN by default. In terms of security, Ubuntu 20.04 LTS includes many new features and enhancements, such as: Kernel Self Protection measures, stack-clash protection, control flow integrity, Fast ID Online (FIDO) for universal multi-factor and passwordless authentication for mitigating social engineering attacks and a secure boot to protect against low level attacks and rootkits. ![]() In terms of performance, Ubuntu 20.04 LTS simplifies AI deployments thanks to the NVIDIA CUDA software stack, improves hardware support and memory consumption, and offers faster boot times, among other features. We bring together thousands of contributors and the world’s largest technology companies to make Ubuntu 20.04 LTS the standard reference platform for secure cloud and edge compute.” Enhanced security and performance Ubuntu 20.04 LTS is the new state of the art open source platform for the enterprise and the entrepreneur. “Accelerating open source globally is our mission. Mark Shuttleworth, CEO of Canonical, said in a press release that: It includes new UI features for users - a new lock screen design and a new ‘do not disturb’ toggle, for instance - and many small enhancements. Gnome 3.36 (“Gresik”) as default desktop environment improves performance and usability in Ubuntu 20.04 LTS. This kernel version also includes support for new hardware (such as Intel Comet Lake CPUs and initial Tiger Lake platforms) and raspberry pi (Pi 2B, Pi 3B, Pi 3A+, Pi 3B+, CM3, CM3+, Pi 4B). The version 5.4 of the Linux Kernel adds many new features such as enhanced performance and security, faster boot times and important power-saving improvements. Ubuntu 20.04 LTS is based on the long-term supported Linux Kernel 5.4 and includes the new version of Gnome desktop environment, Gnome 3.36, by default. How to upgrade from Ubuntu 18.04 LTS to 20.3 Ubuntu Desktop 20.04 New features and improvements of Ubuntu 20.04 LTS (Focal Fossa) Linux Kernel 5.4 and Gnome 3.36 How to upgrade from Debian 10 to Debian 11 How to upgrade from Rocky Linux 8 to Rocky Linux 9 How to update CentOS, Ubuntu and Debian version of Linux Cloud Servers # ufw delete allow 1022/TCPįree up the disk space by removing all the unnecessary packages. # cat /etc/os-releaseĭelete the ufw firewall rules. Press Y and hit ENTER to reboot.Ĭheck the OS information after rebooting. Once the upgrade is completed, restart the system to finish the upgrade. Press Y and hit ENTER to remove obsolete packages. When prompted on What do want to do about modified configuration file sshd_config?, select keep the local version currently installed. Some services will need to be restarted, select Yes to restart these services during package upgrades without being prompted. To continue, once again, press Y and press ENTER. The update tool will calculate all the changes and provide a summary. Since the port is already opened, press ENTER. The upgrade tool will notify an alternative SSH port 1022 in case of an SSH connection interruption on the default port. Simply type Y and press ENTER to proceed. ![]() It will detect SSH connection and notify that an additional SSH service will be started on port 1022. Use the following commands to allow port 1022/TCP: # ufw allow 1022/TCP Since using SSH port 22, select another free port to connect for updating the server. While installation, there will be a prompt to select the following options, select keep the local version currently installed and perform the reboot action after installation.Ĭheck the installed release. Update and upgrade the entire system to the latest Ubuntu release using the below command. As a long-term support release, Ubuntu 22.04 LTS will be supported for 10 years.īefore proceeding with the upgrade, please make sure to back up all the important data to your local drive. Ubuntu 22.04 is one of the world’s most popular Linux distributions. It is the latest long-term support LTS release after its predecessor, Ubuntu 20.04 LTS. Ubuntu 22.04 LTS Jammy Jellyfish is the latest release of Ubuntu. ![]()
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