sources.list

deb http://ftp.uk.debian.org/debian/ jessie main
deb-src http://ftp.uk.debian.org/debian/ jessie main

deb http://security.debian.org/ jessie/updates main
deb-src http://security.debian.org/ jessie/updates main

# jessie-updates, previously known as 'volatile'
deb http://ftp.uk.debian.org/debian/ jessie-updates main
deb-src http://ftp.uk.debian.org/debian/ jessie-updates main

# dotdeb
deb http://packages.dotdeb.org jessie all
deb-src http://packages.dotdeb.org jessie all