How to Fix: Permission Denied for /Bin/Bash


Typically, the permission-denied error appears when attempting to execute the /bin/bash binary when either permissions problems with the root folder or mounting problems with a Live distribution exist. Although other problems do cause the error, they are typically a derivative of one of the two, either dealing with permissions or file-system mounting issues. If you are unable to fix your system using these techniques, try asking in your distribution's IRC channel for guided help.

  • Type "ls -la /" from the command prompt to view a list of permissions.

  • Type "chmod 755 /" if the output does not read "drwxr-xr-x", commonly referred to as 755 permissions. Otherwise, continue.

  • Type "mount | grep sd" to view the mounted hard drive devices. If one reads noexec, then you are unable to execute binaries on that drive and it is likely your root partition.

  • Type "mount /dev/sda1 -o remount,exec" to remount the partition with the ability to execute binaries. Replace "/dev/sda1" with the drive name that showed the issue before from the mount command.

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