Red Hat Linux 6.2: The Official Red Hat High Availability Server Installation Guide Prev Chapter 6. Post-Installation Security Overview Next Password Lifetime Set to 30 Days The maximum number of days a user password may remain unchanged is 30 days. This includes the root account! You may change this default by editing /etc/login.defs and changing the value for PASS_MAX_DAYS. Prev Home Next Using chkconfig to Enable Services Up Some Services Not Installed