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[Linux] root cannot su other users

Source: Internet
Author: User
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[Linux] root cannot su other users-general Linux technology-Linux technology and application information. For details, refer to the following section. Problem: When the su user prompts "cocould not open session"

Analysis: Main permission causes

1. Permissions for several major files in the system:
# Ls-ld/etc/passwd/etc/shadow/etc/pam. d
Drwxr-xr-x/etc
Drwxr-xr-x/etc/pam. d
-Rw-r --/etc/passwd
-Rw -------/etc/shadow

2. System directory permission
Drwxr-xr-x/
Drwxr-xr-x/home

Solution:
# Chmod 755/etc
# Chmod 755/etc/pam. d
# Chmod 644/etc/passwd
# Chmod 600/etc/shadow
# Chmod 755/
# Chmod 755/home-R

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Related Keywords:
linux su password reset linux list all users linux show all users find users in linux see linux users linux view users show logged in users linux
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