4 # return if old package version greater 4.4.21...
5 (( $
(vercmp
$2 '4.4.21') > 0 )) && return
8 > Starting with 'libxcrypt' 4.4.21, weak password hashes (such as MD5 and SHA1)
9 > are no longer accepted for new passwords. Users that still have their
10 > passwords stored with a weak hash will be asked to update their password on
12 > If the login just fails (for example from display manager) switch to a
13 > virtual terminal ('Ctrl-Alt-F2') and log in there once.