You asked: How do I remove old versions of Ubuntu?

Contents

How do I completely clean Ubuntu?

Steps to Clean Up Your Ubuntu System.

Remove all the Unwanted Applications, Files and Folders. Using your default Ubuntu Software manager, remove the unwanted applications that you don’t use.
Remove unwanted Packages and Dependencies. …
Need to Clean the Thumbnail Cache. …
Regularly clean the APT cache.

1 янв. 2020 г.

How do I remove unused Linux kernels?

Remove All Old Kernels Using the Command Line

The system scans for unused kernels and displays a summary of the files it wants to delete. It prompts you to confirm your choice to remove old kernels by pressing y and Enter to delete.

How do I remove old Ubuntu and install new Ubuntu?

Delete the Ubuntu partition.

Once you start the installation process for the new operating system, you are given the opportunity to create and delete partitions on your hard drive. Select your Ubuntu partition and delete it. This will return the partition to unallocated space.

How do I delete old GRUB entries?

7 Answers

Open up a terminal ( Ctrl + Alt + T ).
Type uname -r . …
Run the following command: dpkg –list | grep linux-image . …
Note down the names of all the kernels which you want to remove.
To remove the kernels, run: sudo apt-get purge linux-image-x.x.x.x-xyz (replace the kernel name with an appropriate one).

15 авг. 2012 г.

Why is Ubuntu 18.04 so slow?

The Ubuntu operating system is based on the Linux kernel. … Over time however, your Ubuntu 18.04 installation can become more sluggish. This can be due to small amounts of free disk space or possible low virtual memory due to the number of programs you’ve downloaded.

How do I clean up Ubuntu from terminal?

Terminal commands

sudo apt-get autoclean. This terminal command deletes all . …
sudo apt-get clean. This terminal command is used to free up the disk space by cleaning up downloaded . …
sudo apt-get autoremove.

How do I get rid of old Vmlinuz?

Type sudo dpkg -P linux-image-4.8. 0-46-generic (changing the kernel version number, of course). This tells the system to delete the package.

How do I delete old kernels in Fedora?

Open the terminal and type sudo dnf list installed kernel or you can use dnf list installed “kernel-*”. It will list all the kernels on the system. Type this command sudo yum remove <KERNEL NAME> in terminal and then type the kernel version do you want to delete.

How do I remove a kernel?

Remove Older Kernel Entries

Select “Package Cleaner” on the left and “Clean Kernel” from the right panel.
Press the “Unlock” button at the lower right, enter your password.
Select from the displayed list the kernel images and headers you wish to remove.

How do I reset Ubuntu without losing data?

Here are the steps to follow for reinstalling Ubuntu.

Step 1: Create a live USB. First, download Ubuntu from its website. You can download whichever Ubuntu version you want to use. Download Ubuntu. …
Step 2: Reinstall Ubuntu. Once you have got the live USB of Ubuntu, plugin the USB. Reboot your system.

29 окт. 2020 г.

Will reinstalling ubuntu delete my files?

Select “Reinstall Ubuntu 17.10”. This option will keep your documents, music and other personal files intact. The installer will try to keep your installed software too where possible. However, any personalized system settings like auto-startup applications, keyboard shortcuts, etc. will be deleted.

How can I fix Ubuntu OS without reinstalling it?

First of all, try to login with live cd and backup your data in an external drive. Just in case, if this method didn’t work, you can still have your data and reinstall everything! At the login screen, press CTRL+ALT+F1 to switch to tty1.

Type normal , hit Enter, and then tap ESC until the menu is displayed. Hitting ESC at this point won’t drop you to the grub command prompt (so don’t worry about hitting ESC too many times).

Clean up your grub menu from the kernels you do not use

Determine which Kernel you are using. Just run: uname -r. and write down the result, in my case this was my output: $ uname -r 2.6.22-14-generic.
Look for all installed kernel images. Go to /boot/ and list its contents. cd /boot ls vmlinuz* …
Remove the kernels you want.

11 окт. 2007 г.

How do I uninstall Grub custom?

Uninstall Grub Customizer:

The PPA can be removed by going to System Settings -> Software & Updates -> Other Software tab.