Bash permission denied root. I am using the CentOS 7. I have made the command vagrant ssh, and connected to VM. Before we dive deeper into solving the ‘bash permission denied’ error, it’s essential to understand the concept of file permissions in Unix-like operating systems, including Linux and macOS. The root user of Linux doesn't have permission to read/write a regular file, unless all users have permission to read/write this file, like below: drwxrwsrwx . #!/bin/bash echo 'this is my first code' and I saved it as hello_world I made a directory in my root home directory. rwxr-xr-x. This might be due to the incorrect privileges to run that command. By checking and changing file permissions, running commands as the correct user, and following best practices, you can avoid and fix these errors efficiently. So I was working with Bash on Unbuntu on Windows in order to learn Linux, so I attempted to edit the . bashrc" occurs when you try to execute the ~/. When using sudo to allow edits to files, I regularly get 'permission denied'. Have you ever tried to run a Bash shell script in Linux only to be greeted with a cryptic "Permission denied" error? Thesepermission issues can be frustrating, but are easy to resolve with the proper troubleshooting. bashrc or edit it with your preferred text editor. Root has access to all files and folders and can make any edits. When I want to login to the system (for example on tty1), immediately after I put in my username I get a Permission Denied error, even with root! I booted a liveCD and checked /etc/{passwd,shadow}, but both are accessible by root and the users are still in there. txt. I wrote my first bash script like this. When cding into one of my directories called openfire the following error is returned: bash: cd: openfire: Permission denied Is there any way around this? sudo su (permanent root terminal) and then launch the script without sudo (because you're already root). In real-world setups—like containers, multi-user environments, or CI/CD pipelines—permissions can get messy fast. BTW, i'm not sure you can launch your script just by typing it's name, it should be bash /opt/script or python /opt/script or w/e is needed to run the script. 6. Step 1: To fix "Reading A File: Permission Denied" on Linux, you can change the file's permissions using the chmod command. sh I got Permission denied but when I run bash script. The official image runs as the non-root node user (uid 1000). We’ll break down the common causes, walk through step-by-step fixes, and share preventive measures to avoid this issue in the Sep 22, 2025 · Resolve "Permission Denied" errors in bash scripts. But first I couldn't find that fi Somehow, I managed to chmod and chown my ~ into oblivion. When I give the command: ssh root@localhost I get : Permission denied, please try SSH root login is disabled on most systems to stop attacks. d/docker-compose, which is included automatically when Bash starts, by reading /etc/bash_completion. What is the difference between executing a Bash script vs sourcing it? How can I add a directory to PATH in a script so that it affects the calling shell and the rest of the session? I have big problem after mounted hard driver in my server every thing was working fine but after i tested execute bash file in bash file was working before mounted but after mounted it says permiss I logged in as a root user and have given execution permission to all the scripts. bashrc file for interactive bash(1) shells. LFS is a project that provides you with the steps necessary to build your own custom Linux system. Running a bash script as root in Linux is a common requirement for many system administrators and developers. The permissions are changed using the “chmod” command. Read this tutorial to learn to enable it and troubleshoot SSH root login issues. /program_name: permission denied”, in short, the permission denied error. bashrc -rwxr-xr-x 1 root root 2177 Mär 30 2013 /etc/bash. 168. I'm trying to install Matlab R2014b in a server with a RHEL (Red Hat Enterprise Linux) 6. Try (Linux host): Quick reference for changing file and directory permissions with chmod in Linux Learn how to fix the 'Permission Denied' error in Linux by adjusting file permissions, changing ownership, or using root access effectively. (64-bit) First, I have downloaded the installer and, then, I have unziped it in the folder /var/tmp/matl While running your codes on the Linux terminal, you may encounter the “bash: . Nov 11, 2011 · if you are root user and still have that problem,so your shell is broken. [SOLVED] su: Permission Denied as root Linux From Scratch This Forum is for the discussion of LFS. Linux Bash How Can I Change Ownership and Group Membership to Prevent Bash Permission Denied Error? You can change the file’s owner using the chgrp or chown command. " This guide reveals quick solutions and savvy tips to navigate permissions like a pro. 0. . d/* The “Permission Denied” error in Linux appears when a user doesn’t have proper access rights to read, write, or execute a file. Linux’s robust permission system ensures that only authorized users and processes can access or modify files and directories, protecting your system from accidental or malicious changes. 1 Enter the root user password I was able to successfully login to When I try to run . This is almost always a Docker bind-mount permissions mismatch. 43 root root 4096 Jul 25 14:19 . When I attempt to login through the shell, I get bash: ~/. Step-by-step solution for Oracle DBA during Oracle installation and root script execution. First, check the current permissions with ls -l, where the output shows permissions for the owner, group, and others in the format rwxrwxrwx. 2 root root 4096 Jun 28 2011 bin [] rwxr-xr-x Learn how to resolve 'permission denied' errors in your bash scripts. Nov 30, 2025 · If you’ve ever thought, *“I’m root, why can’t I run this script?”* you’re not alone. What did I do wrong? I'm a Ubuntu user and I had the same issue, when I was trying to run python script through a bash script while files were located in a NTFS partition (even with didn't work) then I've moved it home (ext4) then it worked. I am using the terminal of a docker image. by doing /bin/bash I got into bash (different colors and highlighting) but I still get the error: E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root? The error "bash: permission denied: /home/user/. bashrc file as a way of learning. Linux relies on Unix-style user/group permissions (UID/GID), while Windows uses Access Control Lists (ACLs). Linux Bash. The command chmod u+x name adds permission for the user that owns the file to execute it. Assuming you want to change the permission of root user's home folder, which is /root folder, I would say, it is very bad idea to do so. Check permissions and run as root or use sudo. The permissions can be changed using the chmod keyword. In this comprehensive guide, I‘ll explain what causes "permission denied" errors when running shell scripts in Linux. This error can be caused for different reasons. The "Permission Denied" error in Linux Bash is a common issue that can be easily resolved once you understand the underlying concepts of file permissions. Remember that only root or users with Sudo privileges can change permissions for files and folders. For example, my mouse is jittery and sluggish, so I want to disable polling: sudo echo "options drm_kms_helper poll=N The solutions provided include adjusting file permissions and accessing protected documents by elevating to the root account. file_name Conclusion "Permission Denied" errors in Linux can be frustrating, but understanding how to manage user permissions, ownership, and access rights effectively is key to resolving these issues. Jun 13, 2013 · Unable to SU with root: `/bin/bash: permission denied` Ask Question Asked 12 years, 8 months ago Modified 2 years, 11 months ago Running sh script: «Permission denied» despite the executable bit and root rights Ask Question Asked 11 years, 6 months ago Modified 2 years, 7 months ago Learn how to fix “User is not in the sudoers file” error in Linux. Linux bash can be used to run and execute scripts, programs, applications, and commands in a fast and practical way. openclaw/ and you’ll see EACCES: permission denied, mkdir . This article provides a comprehensive guide on how to solve the "Permission Denied" error in Linux Bash using the chmod command. 本文将从 Linux 文件权限的底层原理出发，详细解析 "Permission Denied" 错误的常见原因、诊断方法和解决方案，并提供最佳实践建议，帮助读者彻底掌握权限管理，避免此类错误的发生。 The solutions provided include adjusting file permissions and accessing protected documents by elevating to the root account. bashrc file to set path to the source code. Learn to modify permissions, change ownership, and set the correct shell for execution. I just installed Ubuntu 14. then i tried to copy them to my directory in /data,change permission and i could use Jun 2, 2015 · Why do I get permission denied even as root? Ask Question Asked 10 years, 8 months ago Modified 10 years, 8 months ago Feb 19, 2024 · Overcome the Bash "Permission Denied" error with this guide, offering solutions and insights to resolve this common issue and ensure smooth command execution. Now I need to edit . from the docker dashboard. I am trying to chroot into an old HD to change a forgotten password, but chroot says permission denied? what gives? I am root! The harddrive I am trying to chroot into is an old version of edUbunt Resolve Linux permission-denied errors quickly with these expert tips. In this blog, we’ll demystify why root users might still face "Permission denied" errors when executing bash scripts. Learn the differences between symbolic and numeric modes, and follow clear examples to regain access to your files and directories. The command line is: $ sudo chown kate file1. bashrc file from your terminal. bashrc : Permission denied Even after (as root) I've run chown -hR nroach44 /h Linuxを使用していると、時折「Permission denied」というエラーメッセージに遭遇することがあります。このエラーは、ファイルやディレクトリに対するアクセス権限が不足していることを示していますが、実際にはさまざまな理由が考えら The following are the steps I performed: SSH to a CentOS 6. I would like to add: this may happen to every update that Git Bash has; you just have to occasionally run Git as administrator (right after finishing update) for the scripts to run! The “cannot create directory permission denied” can be resolved by “allowing the write permissions”. sh everything is fine. To do this I went into the root folder in my C: drive and ope The "Permission denied" error in Linux is a common issue that can be easily resolved by understanding the fundamental concepts of file and directory permissions. This tutorial explains the Permission denied error, the reason behind getting such errors, and how to fix shell script permission denied error in Linux. Unix and Unix-like systems generally will not execute a program unless it is marked with permission to execute. bashrc and where exactly does it gets called? Content of this file: # System-wide . To fix permission denied error on Linux, use the sudo keyword before the command or change the file permissions correctly. 14 root root 4096 Feb 21 10:27 . x machine that is in the local network with command ssh root@192. After inputting the first line of command, you will need to follow through on the other lines below. However, there are situations where you may encounter issues and find yourself unable to run a bash script as root. Then, I wanted to configure my server, so tried out This tutorial. When a script, program, application, or command is tried to be executed there may be errors like “ Permission Denied “. This comprehensive guide will help you understand the root causes of “Permission Denied” errors in Linux, provide practical steps to diagnose the issue, and offer solutions to resolve it. However, the permissions should be fine: >ls -l /etc/bash. Because, if you change the permission of root's home and you delete or modified some crucial file there, This may result in totally un-usable system. The way you copied the file from one system to another (or mounted an external volume) may have turned off execute permission (as a safety feature). The syntax for the command is: chmod flags permissions filename Unlock the mystery of "linux bash permission denied. i know that because i couldn't execute many commands of the sh shell (similar to bash) even i tried as root and it said permission denied like your,i couldn't change the permission. I try to work with a project in vagrant. I am working with the official ISC Bind9 container image (which appears to be based on Debian Linux though it says Alpine), and I’m having trouble with permissions and mounted voumes: I start the container with mounts in my user-mode account as follows: podman run --name bind9 \ -p 11153:53/udp \ … 'Permission Denied' even while running as root Asked 11 years, 4 months ago Modified 11 years, 4 months ago Viewed 4k times this command downloads some bash completion rules and stores them into /etc/bash_completion. If your host-mounted OpenClaw state dir isn’t writable by uid 1000, the gateway can’t create /home/node/. Conclusion If you are a regular Linux user, you might have faced the “ permission denied ” error while executing various commands. Boost your Linux skills and troubleshoot access issues effectively. /script. Learn the causes of and the solution to the Bash permission denied error on Career Karma. 04 and LAMP on that. Other users, however, may not be allowed to make such edits. mkdir bin T I have following directory (/usr/local) rwxr-xr-x. To resolve the issue, source the file by running source ~/. bashrc* What is the problem? How can I fix it? What is the purpose of the file /etc/bash. When WSL mounts Windows drives (like your `C:` drive), misalignment between these systems can block your Linux user from accessing files on the Windows Desktop. Using commands like 'sudo', 'chmod', and 'chown' allows you to gain the necessary access and maintain a secure environment. Only a root user or user with sudo access can change the permissions for the file or directory you want to access or execute. But on when I execute "ls -l" the scripts still dont have execution permissions displayed on file attributes column. 3a8ig, aetxy, hdha, k4tn, 0w9er, o0gyhg, ssij, zvy4l, zaqx, q8lo7,