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当我运行“sudo passwd”时，我设置了密码，脚本正常退出。之后立即运行“sudo chsh -s /bin/bash”失败

tag-icon • tag-icon ubuntu bash passwd sh
当我运行“sudo passwd”时，我设置了密码，脚本正常退出。之后立即运行“sudo chsh -s /bin/bash”失败

长期潜水，第一次发帖。

我的 Linux 服务器行为异常。当我运行 时sudo passwd，我可以正确设置密码。但是，如果我运行sudo chsh -s /bin/bash，命令会返回错误：

chsh: PAM: Authentication failure

当我运行时sudo echo "hi"，我得到以下输出：

hi

如果需要，我可以提供更多详细信息。我已重复此步骤三次，并且我 100% 确定我输入的密码正确。

$ cat /etc/*release

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

谢谢你！

终端截图

答案1

我是个傻瓜 $ sudo passwd alexander

You can now choose the new password or passphrase.

A valid password should be a mix of upper and lower case letters,
digits, and other characters.  You can use a 12 character long
password with characters from at least 3 of these 4 classes, or
an 8 character long password containing characters from all the
classes.  An upper case letter that begins the password and a
digit that ends it do not count towards the number of character
classes used.

A passphrase should be of at least 3 words, 16 to 40 characters
long, and contain enough different characters.

Alternatively, if no one else can see your terminal now, you can
pick this as your password: "claw5Met8sword".

Enter new password:
Re-type new password:
passwd: password updated successfully

其次是 $ chsh -s /bin/bash

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