by İsmail Baydan · Published 27/11/2017
passwd command is used to change password and provides information about Linux accounts. Normal or root user can change passwords. Normal user can only change his own password in the other hand root can change all users passwords. Passwords related information is stored in /etc/passwd file. Only password which is stored as hash...
by İsmail Baydan · Published 09/07/2017
Linux shadow password suite provides password related utils and configuration. /etc/login.defs or simple login.defs provides configuration about shadow utils. This file provides password, mail, user id, group id, user home related configuration. We will look all of the useful configurations in this tutorial. Login.defs Configuration File login.defs configuration file is located at /etc/login.defs ....
by İsmail Baydan · Published 26/02/2017 · Last modified 28/11/2017
Linux provides usermod command by default for the most of the distributions. This command is used to user modification. After user creation the user related information, values and policies can be changed with usermod command. In this tutorial we will look various features of usermod command with examples. Syntax Syntax of...
by İsmail Baydan · Published 07/11/2016 · Last modified 06/10/2017
Linux passwords are used to authenticate users. Linux passwords was holded in /etc/passwd file with other user related information like default shell, home directory path etc. Now in modern linux distributions holds passwords in /etc/shadow file which have restricted access. This file holds user passwords as hash values with salt. Hashing and salting makes...
