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Create /etc/shadow crypted password entries
Published: 23-09-2016 | Author: Remy van Elst | Text only version of this article
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These small snippets create password strings you can put in /etc/shadow when
you need to reset a password on a system.
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Perl
perl -e 'print crypt("password","\$6\$salt\$") . "\n"'
Replace password with the password, and salt with the salt. Need some random
stuff for the salt? openssl helps:
openssl rand -base64 10
iDaorRK/57YZfQ==
mkpasswd
On Ubuntu/Debian, install the whois package. On Arch, install debian-whois-
mkpasswd from the AUR.
mkpasswd -m sha-512 password salt
OpenSSL
If you need an older style crypt password you can use OpenSSL:
openssl passwd -1 -salt salt password