sudo tips

How to keep Environment Variables when Using SUDO

The trick is to add environment variables to sudoers file via sudo visudo command and add these lines:

Defaults env_keep += "HOME"

or and pay attention to the -E flag. This works:

export HOME=/home/users/memorybox
sudo -E bash -c 'echo $HOME'

How to keep PATH Variables when Using SUDO

vim /etc/sudoers
sed -i 's#Defaults    secure_path =.*#Defaults    secure_path =/usr/java/latest/bin/.....:#g' /etc/sudoers

How to change root env

sudo -i