Problem: You cannot install updates.
Solution
This means another update process is running or crashed. Try restarting the server. If that fails, kill the stuck process:
sudo fuser -v /var/lib/dpkg/lock
sudo kill -9 [PID]
Problem: You cannot install updates.
This means another update process is running or crashed. Try restarting the server. If that fails, kill the stuck process:
sudo fuser -v /var/lib/dpkg/lock
sudo kill -9 [PID]