MacOS sudo: /etc/sudoers is owned by uid 501, should be 0

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默认

出现sudo: /etc/sudoers is owned by uid 501, should be 0

切换root账户

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cp sudoers~orig sudoers

/etc/sudoers内容

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

##
# Override built-in defaults
##
Defaults	env_reset
Defaults	env_keep += "BLOCKSIZE"
Defaults	env_keep += "COLORFGBG COLORTERM"
Defaults	env_keep += "__CF_USER_TEXT_ENCODING"
Defaults	env_keep += "CHARSET LANG LANGUAGE LC_ALL LC_COLLATE LC_CTYPE"
Defaults	env_keep += "LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME"
Defaults	env_keep += "LINES COLUMNS"
Defaults	env_keep += "LSCOLORS"
Defaults	env_keep += "SSH_AUTH_SOCK"
Defaults	env_keep += "TZ"
Defaults	env_keep += "DISPLAY XAUTHORIZATION XAUTHORITY"
Defaults	env_keep += "EDITOR VISUAL"
Defaults	env_keep += "HOME MAIL"

Defaults	lecture_file = "/etc/sudo_lecture"

##
# User alias specification
##
# User_Alias	FULLTIMERS = millert, mikef, dowdy

##
# Runas alias specification
##
# Runas_Alias	OP = root, operator

##
# Host alias specification
##
# Host_Alias	CUNETS = 128.138.0.0/255.255.0.0
# Host_Alias	CSNETS = 128.138.243.0, 128.138.204.0/24, 128.138.242.0
# Host_Alias	SERVERS = master, mail, www, ns
# Host_Alias	CDROM = orion, perseus, hercules

##
# Cmnd alias specification
##
# Cmnd_Alias	PAGERS = /usr/bin/more, /usr/bin/pg, /usr/bin/less

##
# User specification
##

# root and users in group wheel can run anything on any machine as any user
root		ALL = (ALL) ALL
%admin		ALL = (ALL) ALL

## Read drop-in files from /private/etc/sudoers.d
## (the '#' here does not indicate a comment)
#includedir /private/etc/sudoers.d

更改权限

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chown root:wheel /etc/sudoers
chmod 440 /etc/sudoers

ls -l

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-r--r-----   1 root   wheel    1563  1  1  2020 sudoers