Managing users in a Linux environment is a crucial task for system administrators. This guide covers the steps to create a new user, set a password, and grant them sudo privileges. 1. Creating a New User To create a new user, use theaddusercommand. This command automatically creates a hom...
Daniel has a bachelor's in Computer Science, is a CISSP and CEA. He is a cyber competition coach and speaks on Info Security at conferences. In this lesson we will be exploring what happens when a user logs into Linux. We'll then discuss the methods of creating users and setting their...
The focus is on files located in the/etcdirectory, which stores the system configuration information. I demonstrate how to work with system files and to create a new user. Root access is a requirement. Here are the files that are changed when creating a new user in Linux: /etc/passwd /e...
Most of the Linux Distributions don’t allow ‘root’ user also known as superuser by default as a security measure to prevent accidental or intentional changes that could harm the system. Especially in an enterprise setup, this would mean disaster. Instead, it uses a feature called sudo, whi...
Linux® Open a shell and go to the<installation_server_home>directory, for example/home/opuser/IBM/OPInstall/OP_<version>_Installer. Run the following command: ./startup.sh Note:If you do not see thestartup.shscript, you can also find it and run it from the<installation_server_home...
Adding New DrivesThere are many reasons why you would need to add a new drive to your Linux box. You might have out-grown your current space limitations, or you may want to add a separate drive for a specific project or service. In any case, if you follow this guide, you should have...
(GID) already exists in Active Directory. Yet theuseraddcommand is unable to resolve it's existence when adding a new user and returns an error sayinguseradd: group '<GID>' does not exist. Centrify (Third-Party) is being used as an intermediary between the Red Hat Enterprise Linux (RHEL...
A host bound with a public IP address is available. (If you do not have a host, purchase one by referring to Purchasing an ECS.)Configuring a Linux Proxy Required Resources You have configured the following resources in a Virtual Private Cloud (VPC): Resource Type Supported Resource Specificat...
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As per neeraj, you only need to create HDFS home directory[ie. /user/<username>] on edge node. You can still run jobs with the new user on cluster, even if you havent created his home directory in linux. === Below are 2 scenarios - a. I added new user on edge node using comman...