W: Failed to fetch cdrom://Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta amd64 (20150805)/dists/trusty/main/binary-amd64/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch cdrom://Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta amd64 (20150805)/dists/trusty/restricted/binary-amd64/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch cdrom://Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta amd64 (20150805)/dists/trusty/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch cdrom://Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta amd64 (20150805)/dists/trusty/restricted/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
E: Some index files failed to download. They have been ignored, or old ones used instead.
sudo apt-get upgrade
The following packages will be upgraded:
dmsetup libdevmapper-event1.02.1 libdevmapper1.02.1 libdevmapper1.02.1:i386
libebml4 liblvm2app2.2 libpcre3 libpcre3:i386 libpcre3-dev libpcrecpp0
thermald
11 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
1 not fully installed or removed.
update-initramfs: Generating /boot/initrd.img-3.19.0-58-generic
Errors were encountered while processing:
libpq5
E: Sub-process /usr/bin/dpkg returned an error code (1)
