Category: USER MANAGEMENT

How to Host Open Source Code Repository in github

Hi all, today we will be learning how to host Source Code of Open Source Software in the repository hosted by github.com . GitHub is a web-based Git repository hosting service, which offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features. It provides […]

March 23, 2015 | By Arun Pyasi

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How to Install Deepin Desktop Environment and Derivatives in Ubuntu

Hello, Today I am gonna show you how we can setup Deepin Desktop Environment (DDE) which is maintained under a Linux Distribution Project called Deepin. Deepin is an Ubuntu based distribution of Linux Kernel for the Chinese (Also available in English) and it is heavily modified to include plenty of useful stuff and rid of less […]

December 5, 2014 | By Arun Pyasi

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A Great Tool To Show Linux Command Progress Like % , ETA

Coreutils Viewer (cv) is a simple program that can be used to show the progress of any of coreutils commands. It uses information from file descriptors to determine the progress of a command for example the cp command. The beauty of cv is that it can be used with other linux commands like watch and […]

November 24, 2014 | By Allan Mbugua

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Linux - Limit Process At User Level

Ulimit : As the name signifies, its the user resource limits defined by users for their respective processes, it provides control over the resources available to the shell and to processes started by it, on systems that allow such control. ie limit on the number of processes that a single user may create. Linux can […]

January 30, 2013 | By Bobbin Zachariah

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Linux - List / Show Users Thats Belongs Corresponding Groups

Usually, when we talk of listing member of any unix group, let’s say, linux, then it really gets a bit complicated, there are number of ways to get the group members details as below 1. cat /etc/group 2. id [user_name] 3. getent group [group_name] All such output will only provide group info of associated identity […]

January 28, 2013 | By Bobbin Zachariah

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Example : Linux Command To Add User To A Group

This article is about associating a user to a group but now the question is why a user joins a group and how we can do it. This can be associating a user to a new group or may be changing its group. Root user can create a group and can add a user to […]

November 30, 2012 | By Raghu

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Create User In Linux From Command Line And Its Options

User administration is an important task for system administrator. She might need to add new users to the system. This article discusses how new users can be added to a system, and how the login details of a user can be customized while adding the user. Adding User Only root user can add any user. […]

November 28, 2012 | By Bobbin Zachariah

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Linux Command To Change Password For Root / User / Group

Passwords are the way of authenticating a user in Linux system. Linux uses MD5 as an algorithm for storing the password hashes. MD5 is a one way hashing algorithm which is very secure way of authentication. This article tells how a user can change password for his/her account. Changing password The ‘passwd’ command can be […]

November 25, 2012 | By Bobbin Zachariah

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Linux Usermod Command To Modify User Details

The linux command “usermod” is used to modify a user’s information. The files that may be affected during this operation are /etc/passwd (user account information), /etc/shadow (secure account information) and /etc/group (group information). Only root/super user can use this command. The basic syntax of this command is as follows. usermod [-c comment] [-d home_dir [-m]] […]

October 20, 2012 | By Bobbin Zachariah

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Linux Command To Show / List All Users In the System

In Linux, you will be able to find two types of users; which are normal users (created using useradd command) and system users. Most of the system users are created while installing the OS which creates the users during various package installations. System users should be having low UID values (usually 0-99) as defined in […]

October 18, 2012 | By Bobbin Zachariah

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Understand Each Entries Of Linux Shadow (/etc/shadow) File

In Linux, when you create a user (using useradd command) the account information such as username, UID, GID etc are stored in a system file /etc/passwd and secure account information such as encrypted password, last changed, expire date etc are stored in another file called /etc/shadow. In this article we will understand how the file […]

October 8, 2012 | By Bobbin Zachariah

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In-Depth Understanding Linux passwd / shadow File Entries

On Linux systems, users accounts information including one-way encrypted passwords are kept in the text file /etc/passwd. When a user is created, it will update some system files such as /etc/passwd, /etc/shadow and /etc/group. The password files are an important cornerstone of the security of your Linux system. /etc/passwd file stores account information in shadow password […]

October 6, 2012 | By Bobbin Zachariah

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Understanding Linux File Permissions for Beginners

In Linux operating system, everything is organized in the form of files and directories. By setting permissions on files and directories, one can make sure that only authorized users are allowed to access a specific data. Each file in Linux is owned by a user and group. The user is the one that creates the […]

September 10, 2012 | By Bobbin Zachariah

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How To Disable User Accounts In Linux? With Examples

Linux systems allow you to disable access to particular user account without changing anything from the account. This might be useful if you do not want to remove user account permanently but, you just want it disabled and no longer able to use the system. The disabled user will still receive emails for example, but […]

June 21, 2011 | By Bobbin Zachariah

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Category: USER MANAGEMENT

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