/etc/shadow

The default algorithm for storing password hashes in /etc/shadow is MD5. I was told to use SHA-512 hashing algorithm. How do I set password hashing using the SHA-256 and SHA-512 under CentOS or Redhat Enterprise Linux 5.4?

{ 12 comments }

How do I add a user to a group under Sun Solaris UNIX operating system from a shell prompt or command line?

{ 22 comments }

Q. Can you explain /etc/passwd file format for Linux and UNIX operating systems?

{ 87 comments }