Please use root to execute the script #!/bin/bashapt_dir= "/etc/apt" version= ' awk ' { print $2 } ' /etc/issue ' case $VERSION in 14.04|14.04.1 ) release= "Trusty" ;; 13.04|13.04.1 ) release= "raring" ;; 13.10 ) release= "Saucy" ;; 12.04|12.04.1|12.04.2|12.04.3|12.04.4|12.04.5 ) release= "precise" ;; 12.10 ) release= "Quantal" ;; 11.04 ) release= "Natty" ;; 11.10 ) release= "Oneiric" ;; 10.04|10.04.1|10.04.2|10.04.3|10.04.4|10.04.5 ) release= "Lucid" ;; 10.10 ) release= "Maverick" ;; * ) echo "Not found release" |exit 0 ;; esacif [ -f $APT _DIR/SOURCES.LIST ]; THEN&Nbsp; cp $APT _dir/sources.list $APT _dir/sources.list_bak | | exit 1else echo "Sources.list dose not exists. Cant ' t modify this files ' exit 0fiecho ' deb http:// mirrors.ustc.edu.cn/ubuntu/ $RELEASE main restricted universe multiversedeb http ://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-security main restricted universe multiversedeb http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-updates main restricted universe multiversedeb http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-proposed main restricted universe multiversedeb http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-backports main restricted universe multiversedeb-src http://mirrors.ustc.edu.cn/ubuntu/ $ Release main restricted universe multiversedeb-src http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-security main restricted universe multiversedeb-src http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-updates main restricted universe multiversedeb-src http://mirrors.ustc.edu.cn/ubuntu/ $RELEASE-proposed main restricted universe multiversedeb-src http://mirrors.ustc.edu.cn/ubuntu/ $ Release-backports main restricted universe multiverse " > $APT _dir/ sources.listecho "Change sources.list sucessfully"
This article is from the "Smurf Linux ops" blog, so be sure to keep this source http://jin771998569.blog.51cto.com/2147853/1564161
Modify various versions of Ubuntu source