6 min
Fix KernelCare license errors: registration, IP locks, and 403s
Diagnose KernelCare's licensing failures — no valid key-based license found, key limit reached, expired trial, and HTTP 401/403 during update — and fix each from the CLI.
2026-08-28
4 min
Upgrade KernelCare agent and ePortal in the right order
Step-by-step agent and ePortal upgrade order, version checks, and rollback notes covering the required compatibility cutoff.
2026-05-16
5 min
Install KernelCare ePortal for an air-gapped patching fleet
Stand up an on-prem ePortal so servers behind the firewall can pull KernelCare patches without each host calling out to TuxCare.
2026-05-16