Apt-get fails to install software, e.g.
jdm@tod:~$ sudo apt-get install csh
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
libdrm2:i386 linux-image-3.13.0-34-generic
linux-image-extra-3.13.0-34-generic
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
csh
0 upgraded, 1 newly installed, 0 to remove and 132 not upgraded.
5 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/
jdm@tod:~$
Apt-get fails to install software, e.g.