In this article, you will learn to configure DNS cache server. DNS stands for Domain Name System. DNS is just like a phonebook, but it is the phonebook of the Internet. It is not easy to remember the IP address…
The dig stands for domain information groper. It is a command-based utility. And, the dig is the command to query the DNS name servers for information about host addresses, mail exchange, nameservers, and it’s related information and shows the result…
The iostat is the command in Linux and Unix-like operating systems. This command is useful to monitor system input, output, and CPU utilization details for devices and partitions. So, you can say that it monitors system I/O device load as…
In this article, you will learn about the hostnamectl command in Linux with examples. A hostname is a human-readable name. This is the name which people can refer to a computer and they can easily remember it. The hostname was…
In this article, you will learn, how to setup passwordless ssh login SSH stands for Secure Shell. And, It authorizes to access remote connections between two systems. It uses a cryptographic network protocol for secure connections. As a result, you…
In this article, you will learn about scp command in Linux with examples. scp stands for secure copy. It is a command-line utility in Linux and Unix-like operating systems. The major use of the scp command is copy files or…
In this article, you will learn about what is the rsync command & how to use it. The rsync is a command-line utility in Linux and Unix-like operating systems. And, it helps to synchronize the files and directories from a…
In this article, you will learn how to install and configure Ansible on CentOS 8. Ansible is an open-source software package. The main work of Ansible is to automate work like configuration management, application deployment, inter-service orchestration, cloud provisioning, and…
In this article, we are going to use, at command in Linux. The at command is known for a one-time job scheduler. This is very useful when you want a job to run once. It reads commands from standard input…
What is bash? What is bash scripting? If you are a Linux engineer, this is very good to know bash scripting. It is powerful and extremely useful. You can use it to handle many processes very easily with the help…