Bash

Environment

Put this in front of any script to avoid problems when running the script in other languages! The en_US locale should be avaiabel on all systems:

export LC_MESSAGES="en_US@.UTF-8"
export LC_TYPE="en_US.UTF-8"

Grep and Tail

tail -f -n 300 /var/log/syslog | stdbuf -o0 grep PATTERN

• Source: http://stackoverflow.com/questions/7161821/how-to-grep-a-continuous-stream