EACCES - Permission denied

root@linuxfix:~/eacces$

EACCES

Permission denied

Solutions

Prerequisites: Start by updating your system to resolve common issues and ensure the solutions provided below are compatible with your current environment.

check_latest_version && sudo apt update && sudo apt upgrade -y

Check and modify permissions

Verify and adjust file permissions:

ls -la filename

chmod 755 filename

chmod +x script.sh

Change ownership

Modify file ownership:

sudo chown user:group filename

sudo chown -R user:group directory/

Use sudo for system files

Access system files with elevated privileges:

sudo cat /etc/shadow

sudo vim /etc/hosts

What is EACCES?

EACCES occurs when access to a file or resource is denied due to insufficient permissions.

Common scenarios: Trying to read/write files without proper permissions, executing non-executable files, or accessing restricted directories.

Common Causes

Insufficient file permissions
Wrong user or group ownership
SELinux or AppArmor restrictions
Mount options preventing access
File system permissions

Debugging Tips

namei -l /path/to/file

getfacl filename

sestatus

mount | grep /path

Prevention

Set appropriate file permissions
Use proper user groups
Understand security contexts
Follow principle of least privilege

Additional Resources

Linux Access Control

File permissions and access control

errno permissions access security