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非root用户有时需要执行root才能执行的命令,可以通过配置sudoers文件实现
修改sudoers文件
vim /etc/sudoers
增加user1
user1 ALL=(ALL:ALL) ALL
# This file MUST be edited with the 'visudo' command as root.
#
# Please consider adding local content in /etc/sudoers.d/ instead of
# directly modifying this file.
#
# See the man page for details on how to write a sudoers file.
#
Defaults env_reset
Defaults mail_badpass
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
# Host alias specification
# User alias specification
# Cmnd alias specification
# User privilege specification
root ALL=(ALL:ALL) ALL
user1 ALL=(ALL:ALL) ALL
# Members of the admin group may gain root privileges
%admin ALL=(ALL) ALL
# Allow members of group sudo to execute any command
%sudo ALL=(ALL:ALL) ALL
# See sudoers(5) for more information on "#include" directives:
#includedir /etc/sudoers.d
如果sudoers文件为readonly,提示无法修改
E45: 'readonly' option is set (add ! to override)
修改文件读写权限
chmod 660 /etc/sudoers
root@:~# ls -al /etc/sudoers
-rw-rw---- 1 root root 781 Sep 24 13:58 /etc/sudoers
修改文件读写
E45: 'readonly' option is set (add ! to override)
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