O'Reilly logo

Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

chpasswd

Synopsis

chpasswd [options]

System administration command. Change user passwords in a batch. chpasswd accepts input in the form of one username:password pair per line. Unless the -e option is specified, password is encrypted before being stored. This command doesn’t use PAM. It updates the /etc/passwd and /etc/shadow files.

Option

-e, --encrypted

Passwords given are already encrypted.

-m, --md5

Use MD5 Encryption

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required