How to correct Ubuntu dependency errors

How to Prevent and Fix Package Dependency Errors in Ubuntu

1. Update Packages. The very first thing to do in case of errors is to run the update command. ...
2. Upgrade Packages. ...
3. Clean up Cached and Residual Packages. ...
4. Do a Mock Installation. ...
5. Fix Broken Packages. ...
6. Configure Packages Failed to Install Due to Interruptions. ...
7. Use PPA-Purge. ...
8. Use Aptitude Package Manager.

1. How do I fix broken dependencies in Ubuntu?
2. How do I fix unmet dependencies in Linux?
3. How do I fix Ubuntu problems?
4. Why Ubuntu is not working properly?
5. How do I manually run dpkg configure a?
6. How can I fix Ubuntu OS without reinstalling it?
7. How do you fix dependency problems?
8. How do you fix the following packages have unmet dependencies?
9. How do you solve unable to correct problems you have held broken packages?
10. How do I restart Ubuntu?
11. What is Ubuntu recovery mode?
12. How do I wipe and reinstall Ubuntu?

How do I fix broken dependencies in Ubuntu?

Ubuntu fix broken package (best solution)

1. sudo apt-get update –fix-missing.
2. sudo dpkg –configure -a.
3. sudo apt-get install -f.
4. Unlock the dpkg – (message /var/lib/dpkg/lock)
5. sudo fuser -vki /var/lib/dpkg/lock.
6. sudo dpkg –configure -a.

How do I fix unmet dependencies in Linux?

One of the most common causes of unmet dependencies are PPAs, especially when used to upgrade the existing package in Ubuntu repositories. To solve the problem you have three options: disable, purge (revert back to original package in Ubuntu repositories) or remove PPA.

How do I fix Ubuntu problems?

Apport is an ubuntu functionality which reports errors in ubuntu.
...

1. sudo rm /var/crash/* will delete old crashes and stop informing you about them until some package crashes again.
2. You can stop the service with sudo systemctl disable apport (and enable it again with sudo systemctl enable apport )

Why Ubuntu is not working properly?

On a dual booting machine, it will list, and boot all installed operating systems, including Windows. However, installing Windows alongside Ubuntu can lead to the bootloader being overwritten, leading to problems booting Ubuntu. Other issues can corrupt the bootloader, such as a failed upgrade, or power failure.

How do I manually run dpkg configure a?

Run the command it tells you to sudo dpkg --configure -a and it should be able to correct itself. If it doesn't try running sudo apt-get install -f (to fix broken packages) and then try running sudo dpkg --configure -a again. Just make sure you have internet access available so that you can download any dependencies.

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 you fix dependency problems?

How to Prevent and Fix Package Dependency Errors in Ubuntu

1. Update Packages. The very first thing to do in case of errors is to run the update command. ...
2. Upgrade Packages. ...
3. Clean up Cached and Residual Packages. ...
4. Do a Mock Installation. ...
5. Fix Broken Packages. ...
6. Configure Packages Failed to Install Due to Interruptions. ...
7. Use PPA-Purge. ...
8. Use Aptitude Package Manager.

How do you fix the following packages have unmet dependencies?

Method 1: Use the -f parameter

1. Open a Terminal by pressing Ctrl, Alt and T simultaneously on your keyboard.
2. Type in sudo apt-get install -f and press Enter to execute it.
3. Once it's done, type in sudo dpkg –configure -a, press Enter to run it, and run the command from step 2 once more.

How do you solve unable to correct problems you have held broken packages?

How to go about fixing the “Unable to correct problems, you have held broken packages” error

1. Make sure that your system's package cache is updated. ...
2. Install the dependency. ...
3. Can you get the missing dependency package from some other source?

How do I restart Ubuntu?

To reboot Linux using the command line:

1. To reboot the Linux system from a terminal session, sign in or “su”/”sudo” to the “root” account.
2. Then type “ sudo reboot ” to reboot the box.
3. Wait for some time and the Linux server will reboot itself.

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 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).