Not able to upgrade from Ubuntu Server 16.04.5 LTS to 18.04.1 LTS
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I am trying to upgrade my ubuntu server 16.04.5 LTS to 18.04.1 LTS. But it fails identify the newer release. I tried all the options, which are explained in other Q&A. $ sudo do-release-upgrade Checking for a new Ubuntu release No new release found. $ sudo do-release-upgrade -d Checking for a new Ubuntu release Upgrades to the development release are only available from the latest supported release. My Current Version: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.5 LTS Release: 16.04 Codename: xenial release-upgrades file: $ sudo cat /etc/update-manager/release-upgrades # Default behavior for the release upgrader. [DEFAULT] # Default prompting behavior, valid options: # # never - Never check for a new release....