root@gurkan:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
E: Unmet dependencies. Try using -f.

root@gurkan:~# apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  chromium-browser chromium-browser-l10n
The following packages will be upgraded:
  chromium-browser chromium-browser-l10n
2 upgraded, 0 newly installed, 0 to remove and 61 not upgraded.
1 not fully installed or removed.
E: Could not get lock /var/cache/apt/archives/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/cache/apt/archives/
root@gurkan:~#