Managing User Accounts In Linux Essay

Linuxs to the highest degree notable advantage over other operating governances such as Windows and Mac is security and in order for a user to deepen critical components of the organization, such as user accounts, is to have access beneficials of a ROOT. The root is at the top level of Linuxs user hierarchy and has all the permits to access all resources. To login as root, a user essential use the command su username. After pressing the ENTER key, the system leave alone prompt the user to type in the corresponding password. After unveiling the castigate password, the user will inherit full access privileges including the right to modify other users account information.Attempting to enter the correct password will deny the user from inheriting the roots privileges. su screenshot Let us promptly attempt to create a innovative user imposeed puss. But first, let us check if that username is not yet taken. id computed tomography screenshot Since username bozo is still a vailable we can straight off create his user account. useradd bozo -d /home/bozo -u 600 We have skillful created a username called bozo and makes his default folder under /home/bozo and gave him the UID of 600. by the way, UIDs argon unique identifiers of users.Users can be a representation of both human users and services running in the Linux system. UIDs are used by Linux in relation to his password and privilege information stored in the /etc/passwd, /etc/shadow and /etc/group. One of the very first function Linux does when creating a spic-and-span user is to copy the files from the skeleton folder, which contains whatever files the admin wants to chip in to new users, into the newly created users folder. Now, let us get wind to take a look at those files by displaying a critical listing of files including hidden ones. ls la /home/skel/ So far so good. Now let us try creating another user and call her bozoette. useradd bozo -d /home/bozo -u 600 We had an error. As stated earlier, UIDs are unique. Since we attempted to create a user and assigned the same UID with bozo, the system denied our request. But what if we do want give bozoete the UID 600? One of the many ways to do it is to first change bozos UID, say 601 and thence create bozoettes user account using the newly-vacant UID of 600. Change bozos UID from 600 to 601. id bozo usermod -u 601 bozo id bozoThen create bozoettes new account with UID 600. useradd bozoette -d /home/bozoette -u 600 Now we have two new users bozo(uid601) and bozoette(uid600) with user directories /home/bozo and /home/bozoette, respectively. Note that user accounts stay inactive until a password is assigned to them. Let us now activate the two new user accounts by assigning passwords to them. passwd bozo passwd bozoette Users bozo and bozoette are now active and users can now login to the system using the correct username and password combinations for the accounts.REFERENCES Linux Headquarters. Adduser Adding A Ne w User. <http//www. linuxheadquarters. com/howto/basic/adduser. shtml> mod Horizons. Linux Users. <http//www. ahinc. com/linux101/users. htm> Mario P. Free November 28, 2007. Tutorial HowTo. fm. Command Line User Management. <http//howto. fm/e/a/title/Command-Line-User-Management-in-Linux/> Notaras, George. 6 November 2005. G-Loaded User management from the command take out <http//www. g-loaded. eu/2005/11/06/manage-users-from-the-command-line/