1. The issue detailed tips are as follows:
E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarly unavailable)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is an other process using it?
How can I solve this problem?
2.1 First, see if there is apt-get this program running
ps aux|grep apt-get
2.2 If you find that there is such a program then kill off running, otherwise 2.3
2.3 delete lock file
sudo rm /var/lib/dpkg/lock-frontend
sudo rm /var/lib/dpkg/lock