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 of over 48,000 articles and solutions.
Close
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.