Linux, Windows, Security, Programming, Network Tutorials
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...
by İsmail Baydan · Published 19/06/2017 · Last modified 25/03/2018
chmod command is used to change access permission of files and directories in Linux operating systems. chmod stands for change mode. Access permissions specifies whether a user account or group can read, write or execute given...
by İsmail Baydan · Published 18/06/2017
chown command is used to change file and folders user , group and other ownership. chown is very useful tool but sometimes becomes very dangerous because it can harm current owner policy.chown mainly changes read , write and execute owner...
by İsmail Baydan · Published 08/05/2017 · Last modified 04/07/2017
Regular expression is popular topic in system administrators and developers. Regular expression is used to find structured text or string in single or multiple files. The best side of regular expression we can define...
by İsmail Baydan · Published 07/04/2017
Modern operating systems like Linux, Windows uses groups to manage user rights more flexible way. Users generally assigned to the groups to use groups related privileges like Local Admin , Remote Desktop User , Power...
by İsmail Baydan · Published 14/03/2017
access.conf is the configuration file used to logins to the Linux or Unix systems. This file is locate at /etc/security/ path. With this file logins of users, groups, hosts, tty, network are defined to allows or...
by İsmail Baydan · Published 13/03/2017
chage is a tool and command used to change user password expiry information in Linux, BSD, Unix systems. With this command we can set password change time, lock status, activity or inactivity of the user...
by İsmail Baydan · Published 01/03/2017 · Last modified 17/06/2017
Virt-manager and libvirt is core tools used for virtualization in Linux ecosystem. As a end user I am using these tools to create and run virtual machines. I am running this tools as normal...
by İsmail Baydan · Published 24/02/2017 · Last modified 17/06/2017
Linux stat command used to display files and file system information like permission, size etc. In this tutorial we will look various usage examples. Show File Information All information about a file can be...
by İsmail Baydan · Published 07/02/2017 · Last modified 24/10/2017
We have previously looked the command kill to kill process accordin to their names, owners etc. But using only kill command to kill a proccess according to its owner is done with supportive commands like...
