Solved: Error on Linux -bash: /usr/bin/chmod: Permission denied.
Today we will look how to solve below error on our linux system.
-bash: /bin/chmod: Permission denied
I. Issue
Lets see how to replicate the issue on our Linux System.
### Create a file [root@nglinux ]# touch testfile [root@nglinux ]# chmod 000 testfile [root@nglinux ]# ls -ltr testfile total 16 ----------. 1 root root 81 May 8 14:35 testfile ### Change the permissions of chmod [root@nglinux ]# chmod 000 /bin/chmod ### Now try to change the permissions. ### It will generate below error. [root@nglinux ]# chmod 644 testfile -bash: /bin/chmod: Permission denied [root@nglinux ]#
II. Solution
[root@nglinux ]# yum reinstall coreutils Failed to set locale, defaulting to C Loaded plugins: auto-update-debuginfo, fastestmirror, refresh-packagekit, security Setting up Reinstall Process Loading mirror speeds from cached hostfile * base: mirror.hostduplex.com * epel: mirror.layeronline.com * epel-debuginfo: mirror.layeronline.com * epel64: mirror.layeronline.com * extras: mirror.sjc02.svwh.net * updates: mirror.sjc02.svwh.net Resolving Dependencies --> Running transaction check ---> Package coreutils.i686 0:8.4-47.el6 will be reinstalled --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================================================================================================== Package Arch Version Repository Size ============================================================================================================================================================================================================================================================================== Reinstalling: coreutils i686 8.4-47.el6 base 3.0 M Transaction Summary ============================================================================================================================================================================================================================================================================== Reinstall 1 Package(s) Total size: 3.0 M Installed size: 12 M Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : coreutils-8.4-47.el6.i686 1/1 Verifying : coreutils-8.4-47.el6.i686 1/1 Installed: coreutils.i686 0:8.4-47.el6 Complete! [root@nglinux ]# ### Now try to change the permissions ### And its successful. [root@nglinux ]# chmod 644 testfile [root@nglinux ]# ls -l testfile -rw-r--r--. 1 root root 81 May 8 14:35 testfile [root@nglinux ]#