In this article, you will learn how to check the log or history of a user's failed login attempts using the lastb command on Linux.

In this article, you will learn how to use the lastlog command on Linux to check the most recent login of all users or a specific user, as well as how to clear a single or all user’s last login records.

In this article, you will learn what file globbing is on Linux and how to use it with various commands through practical examples.

In this article, you will learn how to use the uname command and its options to print kernel, hardware, and operating system information.

This page is dedicated to informing you of the latest goings-on in the open-source community, Linux distributions, hardware, software, and all the other stuff related to Linux.

In this quick tutorial, you will learn how to check all the users and specific user terminal write access and how to set or stop the terminal’s permission for writing messages.

In this article, you will learn how to send message or text file content to another user with or without piping using the write command in Linux.

In this quick tutorial, you will learn how to kick out SSH-connected users from the target system from your end as a sysadmin.

In this article, you will learn how to ping multiple hosts, scan the network, and scan hosts from a text file using the fping command in Linux.

This article shows you how to disable or enable ping ICMP requests on a Linux system, either temporarily or permanently.

In this article, you will learn how to use the Linux dd command with options and arguments and use it to create backups, clone hard drives, make bootable USB flash drives, and more.

Learn how to list and get information about all the block devices in your system using the lsblk command and its options, with practical examples.

In this article, you will learn how to use the mount and umount commands in Linux to mount different file systems and then unmount them.

In this article, you will learn about the special file /dev/zero and its various use cases, such as creating a swap file, a dummy file for testing, and formatting the drive for security reasons.

In this article, you will learn how to find the list of the largest APT packages and then remove them using the command-line tool in Linux.

In this article, you will learn how to use the WP-CLI to handle multiple WordPress sites and install or update the WordPress core or plugins.

There are tons of reasons to switch to another user’s or the root user’s account, however there are multiple ways to do so, which we are going to learn today.

In this article, you will learn how to use the sshpass command to gain non-interactive access to a remote server by providing the password on the same line.

The sed command is a stream editor that helps you to search, find and replace, insert and delete strings inside the text file without opening.