π ~1 min read
Table of contents
Symptom & Impact
Kernel updates fail and apt reports no space left on device for /boot.
Environment & Reproduction
Frequent on Ubuntu 22.04 LTS systems with small dedicated /boot partitions.
Root Cause Analysis
Multiple old linux-image and linux-modules packages accumulate and consume boot partition space.
Quick Triage
List installed kernel packages and keep currently running kernel untouched.
Step-by-Step Diagnosis
Identify removable old kernels and pending package states in apt/dpkg.
Solution – Primary Fix
Purge old kernels safely and regenerate GRUB/initramfs.
Still having issues? Our IT Solutions & Services team can diagnose and resolve this for you. Get in touch for a free consultation.
Solution – Alternative Approaches
Resize /boot partition during maintenance if update cadence is high.
Verification & Acceptance Criteria
New kernel installs successfully and /boot has healthy free space margin.
Rollback Plan
Boot previous kernel from GRUB advanced options if newest kernel has regression.
Prevention & Hardening
Enable regular autoremove and monitor /boot utilization before patch windows.
Related Errors & Cross-Refs
Related to initramfs generation failures and dpkg interrupted states.
Related tutorial: View the step-by-step tutorial for Ubuntu 22.04 LTS.
View all Ubuntu 22.04 LTS tutorials on the Tutorials Hub β
Browse all common problems & solutions on the Tutorials Hub.
References & Further Reading
See Ubuntu kernel package management and GRUB maintenance documentation.
Need Expert Help?
If you cannot resolve this yourself, our team offers hands-on Server Management, Managed IT Services, and flexible Support Plans. Contact us today β we respond within one business day.
