I want to create the pptp connection on my Endless os but only the openvpn and cisco anyconnect is available.
I tried to install network manager but i got the below error message
-bash: network-manager-openvpn-gnome: command not found
root@endless:~# sudo apt install network-manager-openvpn-gnome
Reading package lists… Done
Building dependency tree… Done
network-manager-openvpn-gnome is already the newest version (1.8.10-1bem3).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
W: Not using locking for read only lock file /var/lib/dpkg/lock-frontend
W: Not using locking for read only lock file /var/lib/dpkg/lock
please help me.