Root user or Non root user not allowed to access Crontab

Root user or non-root user are not allowed to access Crontab
Root user or non-root user are not allowed to access Crontab

If you have ever faced error as below – You are not allowed to access to crontab? Due to a security concern, We may have this issue like Non root user not allowed to access crontab.

This post will help to resolve this error.

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Error Message :

[root@selva ~]# crontab -e
Permission denied
You (root) are not allowed to access to (crontab) because of pam configuration.

How to Fix? Root user or Non root user not allowed to access Crontab

Solution :

1.  Check the permission of crontab command,

[root@selva ~]# whereis crontab
crontab: /usr/bin/crontab /etc/crontab /usr/share/man/man1p/crontab.1p.gz /usr/share/man/man1/crontab.1.gz /usr/share/man/man5/crontab.5.gz
[root@selva ~]# ll /usr/bin/crontab
-rwsr-sr-x 1 root root 315416 Jul 15  2008 /usr/bin/crontab
[root@selva ~]#

SetUID and SetGID should be set, if not no user can get rights to execute this command.

2. open /etc/pam.d/crond configuration file and comment the below value.

#account    required   pam_access.so

#
# The PAM configuration file for the cron daemon
#
#
# No PAM authentication called, auth modules not needed
account    include    password-auth

session    required   pam_loginuid.so

session    include    password-auth

auth       include    password-auth

Now the Problem would be resolved.

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