Su failed to execute bin bash operation not permitted, If disable selinux it works

Su failed to execute bin bash operation not permitted, If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question may be able to be answered. Using sudo allows you to execute commands with superuser privileges, thereby granting you the necessary permissions to modify the file. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. Jun 15, 2021 · Last login: Tue Jun 15 10:21:52 -03 2021 on pts/1 su: failed to execute /bin/bash: Permission denied I've already checked files and directory permissions. Apr 2, 2022 · su: failed to execute /bin/bash: Permission denied # for a more typical shell Upon examining both the permissions and file access control lists for /bin/bash, located in /usr/bin/bash, they seem to allow the user backups to read and execute both shells. Jul 23, 2025 · When we encounter the "chmod: Operation not permitted" error, it typically means you do not have the required permissions to change the file or directory's attributes. SUDO rule is in place to allow user to run ALL commands user1 ALL= (ALL) NOPASSWD: ALL However, the user is not. You can use the ls -l command to view the permissions of a file or directory. What must change to allow this? [root@localhost ~]$ su - -bash: /bin/su: Permission denied Mar 19, 2023 · The best way to fix the “/bin/bash bad interpreter: Operation not permitted” error is to ensure that the interpreter has the appropriate permissions to execute the script or program. The command sudo works fine but when I try to su, it says "cannot execute bin/bash/**** (my user name) not a directory".


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