如何让sudo不需要输入密码就执行

sudo visudo

编辑文件,如下所示:

 

# /etc/sudoers
#
# This file MUST be edited with the 'visudo' command as root.
#
# See the man page for details on how to write a sudoers file.
#

Defaults        env_reset

# Uncomment to allow members of group sudo to not need a password
# %sudo ALL=NOPASSWD: ALL

# Host alias specification

# User alias specification

# Cmnd alias specification

# User privilege specification
root    ALL=(ALL) NOPASSWD:ALL

# Members of the admin group may gain root privileges
%admin ALL=(ALL) NOPASSWD:ALL