E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable),How to fix (Solved)

As a administer, newbie UNIX/Linux user ,or developer/programmer  , you face a problem like this in your shell/bash  in Ubuntu/Debian when any package is broken or due to any reason  your get lock /var/lib/dpkg/lock. or like below you face problem


root@pythongeek:~# apt-get update
E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
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?

you can fix this problem in few steps without rebooting !!


1) type this in bash

    sudo dpkg --configure -a

2) type in bash

    sudo killall apt-get apt aptitude adept synaptic

your output like this

root@pythongeek:~# sudo killall apt-get apt aptitude adept synaptic
apt-get: no process found
apt: no process found
aptitude: no process found
adept: no process found
synaptic: no process foun

Note:if you face problem during installation of any software/package

don't forget accept EULA ,or accepting licensee of user agreement while you have pop-up during installation
 
3) this is final if you failed last to attempt to unlock
Close all running packages, and open a Konsole window.

type in bash

sudo rm /var/lib/dpkg/lock

then again type this bash

sudo dpkg --configure -a

for reinstallation type like this in bash

sudo apt-get  install -f  package  name here

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