Source.list mirror.ku.ac.th Ubuntu 15.10 wily warewolf

#####Main,Restriced Update#####

deb http://mirror1.ku.ac.th/ubuntu/ wily main restricted
deb http://mirror1.ku.ac.th/ubuntu/ wily-updates main restricted
deb http://mirror1.ku.ac.th/ubuntu-security/ wily-security main restricted

#####KU Multiverse,Universe Update(Optional)#####

deb http://mirror1.ku.ac.th/ubuntu/ wily multiverse universe
deb http://mirror1.ku.ac.th/ubuntu/ wily-updates multiverse universe
deb http://mirror1.ku.ac.th/ubuntu-security/ wily-security multiverse universe

#####Source File Main, Restriced (Optional)#####

deb-src http://mirror1.ku.ac.th/ubuntu/ wily main restricted
deb-src http://mirror1.ku.ac.th/ubuntu/ wily-updates main restricted
deb-src http://mirror1.ku.ac.th/ubuntu-security/ wily-security main restricted

#####Source File Multiverse,Universe (Optional)#####

deb-src http://mirror1.ku.ac.th/ubuntu/ wily multiverse universe
deb-src http://mirror1.ku.ac.th/ubuntu/ wily-updates multiverse universe
deb-src http://mirror1.ku.ac.th/ubuntu-security/ wily-security multiverse universe


OR

edit source.list

vi search and replace

:%s/soure_url/mirror_url

ex:

:%s/us.archive.ubuntu.com/mirror1.ku.ac.th