"Operation not permitted" means that the file's or directory's attribute bits are set incorrectly. The solution is to use lsattr to display file and directory attributes, and chattr to set and unset them.
Can you please provide the output of the following commands: lsattr /bin/ps ls -l /bin/ps Thanks ** Changed in: procps (Ubuntu) Status: Confirmed => Incomplete -- package procps 1:3.2.7-3ubuntu5 [modified: bin/ps usr/bin/top] failed to install/upgrade: https://bugs.launchpad.net/bugs/244600 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs