Linux path

1. Temporary change path:

export PATH=/opt/puppet/bin:$PATH

2. Permanent change path:

root user: 

A. cd 

B. vi .bashrc add following content at the end of the file:

export PATH=/opt/puppet/bin:$PATH

other user:

A. cd

B. vi .bash_profile add following content at the end of the file:

export PATH=/opt/puppet/bin:$PATH

3. Permanent change path:

cd /etc/profile.d/

vim nginx.sh

export PATH=/usr/local/nginx/sbin:$PATH