Linux APT Unmet Dependencies

Overview

Linux APT "unmet dependencies" error means packages require other packages that are not available or conflict with installed versions.

Key Details

• apt: dependency problems prevent configuration of package
• Package requires specific version of another package
• Mixing repositories can cause dependency conflicts
• Common after adding third-party PPAs

Common Causes

• Mixing packages from different release versions
• Third-party PPA providing conflicting package versions
• Interrupted apt install leaving inconsistent state
• Manually installed .deb files with missing dependencies

Steps

1. 1Try: sudo apt --fix-broken install
2. 2Force install dependencies: sudo apt install -f
3. 3Remove conflicting PPA: sudo add-apt-repository --remove ppa:name
4. 4Reset with: sudo dpkg --configure -a

Tags

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Frequently Asked Questions