查看“Sudo”的源代码

== sudo ==
<pre>
echo 'evan ALL=(ALL)   ALL' >>/etc/sudoers.d/evan 

sudo -i 
再用evan的密码就行了
如果是不要密码 
echo 'evan ALL=(ALL) NOPASSWD:NOPASSWD:ALL' >/etc/sudoers.d/evan


普通用户给sudo 执行特殊命令
mysql ALL=(ALL) NOPASSWD: /bin/whoami

xtx ALL=(ALL) NOPASSWD: /usr/bin/date
</pre>


== shooting ==
<pre>

# sudo  -u  apache ls 
sudo: /etc/sudo.conf is owned by uid 900, should be 0
sudo: /etc/sudo.conf is owned by uid 900, should be 0
sudo: /etc/sudoers.d 属于用户 ID 900，应为 0
sudo: apache：找不到命令


# ll /etc/sudoers.d/
总用量 8
-rw-r--r--  1 root root 39 2月  18 16:59 apache
-r--------. 1 www  www  61 8月  11 2021 cfroot

[root@idc-test-all-php-192-168-10-122-c7 /etc/supervisord.d] {17:01:17} (0)
# ll /etc/sudo.conf 
-rw-r-----. 1 www www 1786 9月  30 2020 /etc/sudo.conf

chown root.root /etc/sudo.conf

chown -R root:root /etc/sudoers.d

#我只执行了上面两个 

chmod u=rwx,g=rx,o=rx /etc/sudoers.d/
chmod u=r,g=r,o= /etc/sudoers.d/*


</pre>

==参考==
如何成为 Root 用户
https://wiki.centos.org/zh/TipsAndTricks/BecomingRoot

CentOS 系统sudo命令配置
http://towangwang.blog.51cto.com/17151/936708

[[category:linux]] [[category:ops]]