Su failed to execute bin bash operation not permitted. Linux - Newbie This Linux forum is for members that are new to Linux. But "bash" and "cut" for user not allowed. Sep 17, 2015 · When I type su -s /bin/bash -m [MyUserName], then I get the error: Permission denied. $ docker exec -it <image ID> /bin/bash "Operation not permitted" Once I'm inside the image, if I try executing the binary, I receive an extremely unhelpful error. Just starting out and have a question? If it is not in the man pages or the how-to's this is the place! A workaround for this might be to use /bin/bash -c w meaning that bash should not try to interpret /usr/bin/w as a shell script but rather run the one-line shell script containing: "w". Running strace also gives a confusing output. On inspecting file permissions and metadata, it appears to be fine. The next command will change the permission to allow read/execution by any user, and will set the s bit to the /bin/su command. . Without this permission, the system cannot access the /bin/bash executable to start a new shell session. The /var/log/secure file shows connection closed by user. By understanding file permissions, ownership, and the correct environment for script execution, you can quickly resolve this issue and run your scripts without hindrance. This happened to my new vm on version rhel8 which used for Jenkins building job on non-root privileges. While trying to putty or ssh from terminal to non-root users, getting error below and ssh session gets terminated. d/su配置或资源限制。 解决方法包括检查和调整这些相关设置，并查看/var/log/secure日志以获取更多错误信息。 Permission denied when running any SUDO commands despite ALL commands are permitted. Getting error as failed to execute /bin/bash : Permission denied for ssh and su commands. While executing *sudo su * command terminal is throwing permission error. P. I had this weird error "Operation not permitted" these days and I figured out the solution on my case. SUDO rule is in place to allow user to run ALL commands user1 ALL= (ALL) NOPASSWD: ALL However, the user is not When trying to log in to a RHEL8 server configured to use an IDM server, the following error appears in the /var/log/messages log. 1w次，点赞3次，收藏17次。这篇博客探讨了在Linux中，即使作为root用户，有时也无法修改某些文件的权限问题。原因在于这些文件设置了不可修改位 (i属性)。通过lsattr和chattr命令，我们可以查看和管理这些特殊属性。lsattr用于显示文件属性，而chattr则用于改变文件属性，如开启或关闭 当用户遇到su权限被拒绝的情况，可能的原因包括su命令的s位权限不正常、root密码错误、/etc/passwd权限问题、SU_WHEEL_ONLY设置、pam. Specifically, the file or a parent directory is missing the execute (x) permission. Apr 2, 2022 · 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. Oct 15 08:44:03 localdomain systemd CentOS7のサーバにSSHでログインをしようとすると下記の様なエラーが発生し、ログインが行えません。 以前は正常にログインが行えていましたが、何かの設定を変えてしまったのか原因が分かりません。 After updating the system, no one (including root) can use su without getting bash: /bin/su: Permission denied errors, but ssh and terminal logins work as normal. Change file owner to be root:root Change file permission to be -rwsr-xr-x This can be done using: sudo chown root:root /bin/su sudo chmod 4755 /bin/su The first command, which change the owner of the file to be root. SELinux is disabled and no new log entries are generated in /var/log/secure or /var/log/messages when root tries to run /bin/su, which has appropriate permissions, file size, and md5sum. When using the su command to switch users, you receive the following error: This error indicates insufficient permissions on the path to /bin/bash. (su: failed to execute /bin/bash: Operation not permitted) "ausearch -i -m fanotify" show <no matches>. S. If I disable the "deny_audit perm=any uid=f : all" rule the "bash" and "cut" is allowed. if I add rule "allow perm=execute uid=f : dir=/usr/bin/" "bash" is not allowed If I add Linux系统root无法通过su切换或远程到某个普通用户，报错 su: failed to execute /bin/bash: Resource temporarily unavailable 1、原因：提示资源不足，查看系统内存和磁盘空间使用情况，未发现明细异常，其他账号都可正常切换登录，可判定为超过用户进程最大数目的默认限制； 文章浏览阅读5. Sep 22, 2025 · The “Permission Denied” error is a common issue when working with bash scripts, but the solutions are straightforward. Why is system throwing this error? Following are the lines put in /etc/sudoers to allow chown: changing ownership of ‘/usr/bin/’: Operation not permitted I have read many topics talking about this issue, which most of them give a solution in case you have already a backup image of your OS. As far as I could find out, it has something to do with the /etc/bashrc file. z5bkgd, fwhavj, n1uqi, iwhqs, ypvy, 3pgxk, l7yd, myfih, 0wae, yd9kl,