Linux, Windows, Security, Programming, Network Tutorials
Linux uses groups in order to share resources in a easy way. In general a resource will have a user, group and other access rights. In this tutorial we will learn how to add user to a Linux group and
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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
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chmod command is used to change access permission of files and directories in Linux operating systems. chmod stands for change mode. Access permissions specify whether a user account or group can read, write or execute a given file and directory. Syntax Syntax
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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 according to given user or group.
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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 whatever we want to match string
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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 User , etc. In this tutorial
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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 disallowed status. Each line specifies a
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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 account. Syntax We will use following
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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 user without using privileged user like
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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 get without providing any parameter. We
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