How to Fix Broken Ubuntu 20.04 without Reinstalling It

1. How can I fix Ubuntu OS without reinstalling it?
2. How do I fix a broken Ubuntu installation?
3. How do I clean up broken packages in Ubuntu?
4. How do I wipe and reinstall Ubuntu?
5. How do I repair Ubuntu?
6. What is Ubuntu recovery mode?
7. How do I fix sudo apt-get update?
8. How do I clear apt-get cache?
9. How do I fix held broken packages?
10. Why sudo apt-get update is not working?

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.

How do I fix a broken Ubuntu installation?

Ubuntu fix broken package (best solution)

1. sudo apt-get update –fix-missing. and.
2. sudo dpkg –configure -a. and.
3. sudo apt-get install -f. the problem of a broken package still exist the solution is to edit the dpkg status file manually. ...
4. Unlock the dpkg – (message /var/lib/dpkg/lock)
5. sudo fuser -vki /var/lib/dpkg/lock.
6. sudo dpkg –configure -a. For 12.04 and newer:

How do I clean up broken packages in Ubuntu?

Here are the steps.

1. Find your package in /var/lib/dpkg/info , for example using: ls -l /var/lib/dpkg/info | grep <package>
2. Move the package folder to another location, like suggested in the blog post I mentioned before. ...
3. Run the following command: sudo dpkg --remove --force-remove-reinstreq <package>

How do I wipe and reinstall Ubuntu?

1 Answer

1. Use Ubuntu live disk to boot up.
2. Select Install Ubuntu on hard disk.
3. Keep on following the wizard.
4. Select the Erase Ubuntu and reinstall option (the third option in the image).

How do I repair Ubuntu?

The graphical way

1. Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live session. You can also use a LiveUSB if you have created one in the past.
2. Install and run Boot-Repair.
3. Click "Recommended Repair".
4. Now reboot your system. The usual GRUB boot menu should appear.

What is Ubuntu recovery mode?

If your system fails to boot for whatever reason, it may be useful to boot it into recovery mode. This mode just loads some basic services and drops you into command line mode. You are then logged in as root (the superuser) and can repair your system using command line tools.

How do I fix sudo apt-get update?

Hash Sum Mismatch Error

This error can happen when fetching the latest repositories during " apt-get update " was interrupted, and a subsequent " apt-get update " is not able to resume the interrupted fetch. In this case, remove the content in /var/lib/apt/lists before retrying " apt-get update ".

How do I clear apt-get cache?

Clear the APT cache:

The clean command clears out the local repository of downloaded package files. It removes everything except the partials folder and lock file from /var/cache/apt/archives/ . Use apt-get clean to free up disk space when necessary, or as part of regularly scheduled maintenance.

How do I fix held broken packages?

These are some fast and easy ways to fix the you have held broken packages error.

1. Open your sources. ...
2. Select the Fix Broken Packages option in Synaptic package manager. ...
3. If you get this error message: Try 'apt-get -f install' with no packages (or specify a solution) ...
4. Manually remove a broken package.

Why sudo apt-get update is not working?

This error happens when another program is using APT. ... Check if some other program might be using apt. It could be a command running terminal, Software Center, Software Updater, Software & Updates or any other software that deals with installing and removing applications.