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…
It is effortless to change the root password of the Linux system. And, a person who has access to the Server can easily do this. So, this is necessary to protect the setting changes on the server startup. If you…
In this article, you will learn, How to reset your root user password in Linux in 3 minutes There are many passwords to store and remember. Sometimes system admins forgot their system root user password. And this creates a lot…
In this article, you will learn about how to boot into emergency mode in CentOS/RHEL? If your system is not functioning correctly, you can use systemd emergency targets. In the emergency target, it does not try to mount the root filesystem. It…