Password: <Enter root password – but there isn't one> su: Authentication failure 认证失败的原因是因为 root 帐户没有密码、并且被锁定了。接下来,使用sudo命令查看/etc/shadow文件。 student@ubuntu1:~$ sudo cat /etc/shadow [sudo] password for student: <enter the student password> root:!:17595:...
现在,要将 root 帐户变成一个合适的系统管理员,你只需为 root 帐户设置密码。 student@ubuntu1:~$sudosu- [sudo]passwordforstudent:<Enterpasswordforstudent> root@ubuntu1:~#passwdroot EnternewUNIX password:<Enternewroot password> RetypenewUNIX password:<Re-enternewroot password> passwd:password updated ...
student@ubuntu1:~$ sudosu-[sudo] passwordforstudent: <Enter passwordforstudent> root@ubuntu1:~# passwd rootEnter new UNIX password: <Enter new root password> Retype new UNIX password: <Re-enter new root password> passwd: password updated successfully root@ubuntu1:~# 1. 2. 3. 4. 5. 6...
Password: <Enter root password – but there isn't one> su: Authentication failure 1. 2. 3. 左右滑动查看完整代码这会失败,因为root帐户没有密码,被锁在外面。使用sudo命令查看/etc/shadow文件。 复制 student@ubuntu1:~$ sudo cat /etc/shadow [sudo] password for student: <enter the student passwor...
student@ubuntu1:~$ sudo su - [sudo] password for student: root@ubuntu1:~# passwd root Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully root@ubuntu1:~# 现在,你可以直接以 root 身份登录到控制台,或者直接使用 su 登录到 root,而不是在每个命令前都加一个...
[sudo] password for student: root@ubuntu1:~# passwd root Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully root@ubuntu1:~# 现在,你可以直接以 root 身份登录到控制台,或者直接使用su登录到 root,而不是在每个命令前都加一个sudo。当然,你也可以在每次想以 root...
So the answer was to run the program as the “student” user and use thesudocommand as a prefix to the one command that required privileged access. Even in the middle of my presentation, typing in the password for the student user was easy. I also used this in my presentation as an ...
So the answer was to run the program as the “student” user and use thesudocommand as a prefix to the one command that required privileged access. Even in the middle of my presentation, typing in the password for the student user was easy. I also used this in my presentation as an ...
Password: <Enter root password – but there isn't one> su: Authentication failure 左右滑动查看完整代码 这会失败,因为root帐户没有密码,被锁在外面。使用sudo命令查看/etc/shadow文件。 student@ubuntu1:~$ sudo cat /etc/shadow [sudo] passwordforstudent: <enter the student password> ...
student ALL=(root) /sbin/pidof,/sbin/ifconfig %wheel ALL=(ALL) NOPASSWD: ALL 注意:别名名称必须是大写字母开头、数字下划线 别名示例3 User_Alias NETADMIN= netuser1,netuser2 Cmnd_Alias NETCMD = /usr/sbin/ip NETADMIN ALL=( root) NETCMD ...