When I ran this command:
sudo apt install openjdk-8-jre-headless
I keep getting this:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
Another process uses dpkg.
1.So if such process is running , wait to be finished.
2.If it's not work , system restart may be helpful.
3.And if any of them not be helpful , try this command:
sudo rm /var/lib/dpkg/lock
4.Also you may need this commands:
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/apt/lists/lock