How to Check for Unattended Upgrades

Step 1: Check Service Status

sudo systemctl status unattended-upgrades

Step 2: View Logs

sudo cat /var/log/unattended-upgrades/unattended-upgrades.log

Step 3: Check APT Periodic Configuration

sudo cat /etc/apt/apt.conf.d/20auto-upgrades

Step 4: Run Manual Check

sudo unattended-upgrades --dry-run --debug