How to change default password hashing algorithm (passalgo) without reinstalling system
Issue
- How can we switch a system from using MD5 as the hashing algorithm to using SHA512? Assuming we can do that easily, how about the existing users' passwords or passphrases in /etc/passwd or /etc/shadow?
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
