Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in three editions: Desktop, Server, and Core for Internet of things devices and robots. All the editions can run on the computer alone, or in a virtual machine.
You can download OS VM Images from either https://www.linuxvmimages.com/ Or https://www.osboxes.org/virtualbox-images/
Ubuntu Can be Upgraded to the Latest using 3 simple steps.
- Update – get all the Package Updates.
- Upgrade – Package Upgrades to the Latest.
- do-release-upgrade – do-release-upgrade handles checking for a new release, updating sources. list , and a range of other tasks, and is the officially recommended upgrade path for server upgrades which must be performed over a remote connection.
You can see if the Latest is available when you login
Microsoft Windows [Version 10.0.19044.2130] (c) Microsoft Corporation. All rights reserved. C:\Users\Dell>ssh root@192.168.29.159 root@192.168.29.159's password: Welcome to Ubuntu 18.04.6 LTS (GNU/Linux 5.4.0-84-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage 264 updates can be applied immediately. 244 of these updates are standard security updates. To see these additional updates run: apt list --upgradable New release '20.04.5 LTS' available. Run 'do-release-upgrade' to upgrade to it. Your Hardware Enablement Stack (HWE) is supported until April 2023. The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. root@osboxes:~#
Lets run as Suggested “do-release-upgrade “
root@osboxes:~# do-release-upgrade Checking for a new Ubuntu release Please install all available updates for your release before upgrading. root@osboxes:~# apt update Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease Hit:2 http://repo.mysql.com/apt/ubuntu bionic InRelease Get:3 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB] Get:4 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] Get:5 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [83.3 kB] Get:6 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [2,786 kB] Get:7 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [1,558 kB] Get:8 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [297 kB] Get:9 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [302 kB] Get:10 http://us.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,468 B] Get:11 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [55.3 kB] Get:12 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [60.9 kB] Get:13 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 DEP-11 Metadata [2,464 B] Get:14 http://us.archive.ubuntu.com/ubuntu bionic-backports/main amd64 DEP-11 Metadata [8,112 B] Get:15 http://us.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [10.1 kB] Fetched 5,344 kB in 1min 38s (54.6 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 3 packages can be upgraded. Run 'apt list --upgradable' to see them.
Run apt list –upgradable and restart OS to apply the Changes
root@osboxes:~# apt list --upgradable Listing... Done linux-generic-hwe-18.04/bionic-updates,bionic-security 5.4.0.131.147~18.04.108 amd64 [upgradable from: 5.4.0.84.94~18.04.75] linux-headers-generic-hwe-18.04/bionic-updates,bionic-security 5.4.0.131.147~18.04.108 amd64 [upgradable from: 5.4.0.84.94~18.04.75] linux-image-generic-hwe-18.04/bionic-updates,bionic-security 5.4.0.131.147~18.04.108 amd64 [upgradable from: 5.4.0.84.94~18.04.75] root@osboxes:~# apt upgrade E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it? root@osboxes:~# init 6 Connection to 192.168.29.159 closed by remote host. Connection to 192.168.29.159 closed.
C:\Users\Dell>ssh root@192.168.29.159 root@192.168.29.159's password: Welcome to Ubuntu 18.04.6 LTS (GNU/Linux 5.4.0-131-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage 0 updates can be applied immediately. New release '20.04.5 LTS' available. Run 'do-release-upgrade' to upgrade to it. Your Hardware Enablement Stack (HWE) is supported until April 2023. Last login: Mon Oct 31 10:42:15 2022 from 192.168.29.35 root@osboxes:~# do-release-upgrade Checking for a new Ubuntu release Get:1 Upgrade tool signature [1,554 B] Get:2 Upgrade tool [1,337 kB] Fetched 1,339 kB in 0s (0 B/s) authenticate 'focal.tar.gz' against 'focal.tar.gz.gpg' extracting 'focal.tar.gz' Reading cache Checking package manager Continue running under SSH? This session appears to be running under ssh. It is not recommended to perform a upgrade over ssh currently because in case of failure it is harder to recover. If you continue, an additional ssh daemon will be started at port '1022'. Do you want to continue? Continue [yN] y Starting additional sshd To make recovery in case of failure easier, an additional sshd will be started on port '1022'. If anything goes wrong with the running ssh you can still connect to the additional one. If you run a firewall, you may need to temporarily open this port. As this is potentially dangerous it's not done automatically. You can open the port with e.g.: 'iptables -I INPUT -p tcp --dport 1022 -j ACCEPT' To continue please press [ENTER] Reading package lists... Done Building dependency tree Reading state information... Done Hit http://repo.mysql.com/apt/ubuntu bionic InRelease Hit http://us.archive.ubuntu.com/ubuntu bionic InRelease Hit http://security.ubuntu.com/ubuntu bionic-security InRelease Hit http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease Hit http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease Fetched 0 B in 0s (0 B/s) Reading package lists... Done Building dependency tree Reading state information... Done Checking for installed snaps Calculating snap size requirements Updating repository information Third party sources disabled Some third party entries in your sources.list were disabled. You can re-enable them after the upgrade with the 'software-properties' tool or your package manager. To continue please press [ENTER]
Selecting previously unselected package libcommon-sense-perl. (Reading database ... 225251 files and directories currently installed.) Preparing to unpack .../libcommon-sense-perl_3.74-2build6_amd64.deb ... Unpacking libcommon-sense-perl (3.74-2build6) ... Selecting previously unselected package libtypes-serialiser-perl. Preparing to unpack .../libtypes-serialiser-perl_1.0-1_all.deb ... Unpacking libtypes-serialiser-perl (1.0-1) ... Selecting previously unselected package libjson-xs-perl. Preparing to unpack .../libjson-xs-perl_4.020-1build1_amd64.deb ... Unpacking libjson-xs-perl (4.020-1build1) ... Setting up libcommon-sense-perl (3.74-2build6) ... Setting up libtypes-serialiser-perl (1.0-1) ... Setting up libjson-xs-perl (4.020-1build1) ... Processing triggers for mime-support (3.64ubuntu1) ... Processing triggers for hicolor-icon-theme (0.17-2) ... Processing triggers for cups (2.3.1-9ubuntu1.2) ... Processing triggers for gnome-menus (3.36.0-1ubuntu1) ... Processing triggers for libglib2.0-0:amd64 (2.64.6-1~ubuntu20.04.4) ... Processing triggers for libc-bin (2.31-0ubuntu9.9) ... Processing triggers for man-db (2.9.1-1) ... Processing triggers for desktop-file-utils (0.24-1ubuntu3) ... System upgrade is complete. Restart required To finish the upgrade, a restart is required. If you select 'y' the system will be restarted. Continue [yN] y Connection to 192.168.29.159 closed by remote host. Connection to 192.168.29.159 closed.
Successfully Upgraded to the Latest.
C:\Users\Dell>ssh root@192.168.29.159 root@192.168.29.159's password: Welcome to Ubuntu 20.04.5 LTS (GNU/Linux 5.4.0-131-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage 0 updates can be applied immediately. Last login: Mon Oct 31 12:05:59 2022 from 192.168.29.35 root@osboxes:~# cat /etc/os-release NAME="Ubuntu" VERSION="20.04.5 LTS (Focal Fossa)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.5 LTS" VERSION_ID="20.04" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal UBUNTU_CODENAME=focal root@osboxes:~#