"E: Unable to locate packet snort" code example

Example 1: "E: Unable to locate packet snort"

sudo apt-get update
sudo apt-get install snort

Example 2: "E: Unable to locate packet snort"

# nano /etc/apt/sources.list

deb http://ch.archive.ubuntu.com/ubuntu/ saucy main restricted
deb-src http://ch.archive.ubuntu.com/ubuntu/ saucy main restricted

deb http://httpredir.debian.org/debian jessie main
deb-src http://httpredir.debian.org/debian jessie main