Some programs not found when used with sudo
Solution 1:
sudo command has env_keep and env_reset parameters in sudoers file.
You have to either edit your env_keep setting or use sudo -E.
Solution 2:
Edit the file /etc/sudoers. Add the desired paths to the following line:
Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin
example:
Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin