Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)

ERROR :

E: Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

FIX :

You might see the above error while trying to install/remove packages on ubuntu/debian server. Error shows you don’t have permission to make any changes.

steve@steve-PC12 ~ $ apt-get remove apache2
E: Could not open lock file /var/lib/dpkg/lock – open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

Try “sudo apt-get remove apache2” to remove the package. (Add sudo in front)
 

steve@steve-PC12 ~ $ sudo apt-get remove apache2
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages will be REMOVED:
apache2