user – Page 3 – POFTUT

Windows Task Manager Tutorial

Operating systems did jobs by running processes and tasks. One of the primary duties of an operating system is the management of processes. All operating systems have a different type of task manager. Windows have built-in task manager maned Task Manager . In this tutorial, we will look detailed about Windows Task Manager. Start Task … Read more

Linux SSH Server (sshd) Configuration and Security Options With Examples

Secure Shell or with its most know name SSH is a protocol developed to connect IT systems remotely and securely. SSH works as expected client-server architecture. In this post, we will look at various security-related configuration options of the SSH daemon service or sshd. The tutorial about the client-side ssh configuration can be found in the … Read more

Linux stat Command Tutorial With Examples

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 will only provide the file name. $ stat a.txt As we can see from screenshot … Read more

Linux Su Command Tutorial With Examples

Linux Su Command Tutorial With Examples

The su short for substitute super user command using to change currently logged user.  This makes things practical because the user change made without login. Su command can be used to get root privileges too. su and sudo commands have different ways to act for similar aims. su Command Syntax su command has very simple syntax … Read more

How To Configure Cisco Routers and Switches Password?

How To Configure Cisco Routers and Switches Password?

Hi, today we will look to configure Cisco routers and switches with a password. It may be seen as trivial but very important for security because a lot of issues a password related. Network devices use a lot of protocols to work and these protocols needs security. Authentication resides in security and the first rule … Read more

Which Groups Belong To A User In Linux

How to find the user or myself belongs to which group? Because group is important for the folder and device access permissions. One user can be join multiple or single group. We can get our current group membership or another user group membership. Who Am I? First when we log in a system we may … Read more

How To Logoff User Forcibly in Linux?

We have some servers to manage. There are some user access to our server. We want to them log off or kill their processes by terminating. How can be achieve this? List Logged On Users We can logout other users forcibly like below. Keep in mind we need to be root to complete this command. … Read more

How To Change or Rename Username and User ID In Linux?

The problem is we want to change the already created user name or user id. As we know there is a lot of configuration those rely on the user id like permissions. We will use usermod command to make this change. Keep in mind this changes will effects system wide. List User Info Before starting … Read more