Tag Archives: Upgrade

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How do I remove old kernel in Ubuntu – Graphically ?

Category:Linux Tags : 

An alternative is Synaptic (Install withsudo apt install synaptic)

Take care !

You have to know wich kernel are you running with uname -r

Synaptic though will not attempt to verify what you are trying to remove… you could inadvertently delete your newest kernel – or even delete all of your kernels via this tool leaving you with an unbootable Ubuntu!.

Recommendation

My recommendation is to keep at least two or preferably three kernels including the latest. The reason for the recommendation is that you will have at least one/two other kernels to boot with, if for what-ever reason the latest kernel you are unable to boot with or introducing a regressed capability such as broken wireless.

Search for linux-image, right-click a kernel and choose complete removal and finally click the Apply button to delete the kernel.

Repeat the search but this time for linux-header – you can delete the associated headers for the kernel image chosen previously.

Synaptic Package Manager

Repeat the search but this time for linux-header – you can delete the associated headers for the kernel image chosen previously.

Maria Perez


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How To Upgrade Ubuntu To 20.04 LTS Focal Fossa

Category:Linux Tags : 

The latest Ubuntu release, 20.04, marks an opportunity for both LTS users and people on the previous 19.10 release to update Ubuntu and take advantage of the latest features.

Software Requirements

An existing Ubuntu 18.04 LTS or 19.10 install with root privileges.

Run your Ubuntu Update

Before you do anything, make sure that your system is already up-to-date.

$ sudo apt update
$ sudo apt upgrade
$ sudo apt dist-upgrade

This will help to ensure that the difference between packages is as small as possible.

$ sudo apt autoremove

How to Upgrade Ubuntu

Ubuntu have developed their own automatic way of upgrading between releases. It essentially scripts the traditional Debian approach. This way, you can set it up to upgrade and walk away. Ubuntu will handle the rest.

Please Note: Upgrades from 19.10 will not be enabled until a few days after 20.04’s release. Upgrades from 18.04 LTS will not be enabled until a few days after the 20.04.1 release expected in late July 2020. There are no offline upgrade options for Ubuntu Desktop and Ubuntu Server.

$ sudo apt install update-manager-core

When that finishes, run the Ubuntu upgrade utility.

$ sudo do-release-upgrade

If you’re doing this too soon, it will tell you that there is No new release found. In that case, and at your own risk, add the -d flag at the end of the command to force the upgrade. For more information read the below “No new release found” section.

$ sudo do-release-upgrade -d

Then it can takes at least 1 hour to complete…

Maria Perez