Jenkins

Allow sudo for Jenkins

sudo su    
visudo -f /etc/sudoers

add add following line at the end.

jenkins ALL= NOPASSWD: ALL

source: https://stackoverflow.com/questions/17940612/authentication-error-in-jenkins-on-using-sudo#20241946

You can also specify what scripts can Jenkins run as sudo:

jenkins ALL = NOPASSWD: /home/user/deploy.sh