[13:47] <matias> thanks you
[14:30] <krish> hello 
[14:31] <krish> some one pl. help how to install thunderbird in  lubantu 
 open command line.  run sudo apt install thunderbird
 enter the password for your account (it won't show up)
 hit "enter", "yes" if it prompts
 done
[14:34] <krish> E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
[14:34] <krish> E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
[14:35] <krish> this error message is appearing 
 do you have any windows open which are using the package manager/
 update manager, software store, etc.
[14:39] <krish> yes its open
 Close it
[14:39] <krish> o.k.
 And then try the command again
[14:40] <krish> o.k.
[14:43] <krish> thanks bro
[14:43] <krish> its done