"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 -h /bin/ps Thanks -- procps failed to install/upgrade :unable to make backup link of `./bin/ps' before installing new version: Operation not permitted https://bugs.launchpad.net/bugs/280533 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs