Muncul Pesan Error "Could not get lock /var/lib/dpkg/lock" di linux

Could not get lock /var/lib/dpkg/lock - open.............

Jika pada saat install aplikasi diubuntu via terminal muncul pesan :
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?

Maka solusinya  :

- buka terminal, lalu ketikan

$ sudo rm /var/lib/dpkg/lock

atau

$ killall aptitude && killall apt-get atau killall dpkg && killall frontend

- Setelah berhasil, lalu ketikan perintah  :

# dpkg --configure -a

Jika pesan error nya kayak gini :

E: Could not get lock /var/cache/apt/archives/lock - open (11 Resource temporarily unavailable)

E: Unable to lock the download directory

Solusinya  :

$ sudo rm /var/cache/apt/archives/lock