In Linux, the date command is used to get or set the system date. It is used to print the date and time in different formats and calculate future and past dates. This tutorial explains the basics of the date command. Using the Linux date Command# Following is the basic syntax for the date...
Cron is a scheduling daemon, used to schedule the execution of any tasks at specified time intervals. Such tasks (cron jobs) can be schedule to run at every minute, 5 minute, hour, day of the month, day of week, etc. Generally, cron jobs are used to perform repeated tasks, such as to backup databases,...
The pkill is a command-line utility, used to send signals to the processes of a running program. The processes can be specified by their names, by a user name, or other attributes. In this article we will discuss about pkill command in Linux. By default the pkill command comes pre-installed as a part of...
In Linux, the df command is used to get the information about the disk space usage. This guide explains how to use the df command with different formats. Use of df Command# Below is the basic syntax for the df command: df [OPTIONS]... FILESYSTEM... If you invoke the df command without any arguments, it...
The mysqldump is a utility used to backup and restore MySQL or MariaDB database using command line. It is creating a set of SQL statements while taking backup and those are used while restoring. In this tutorial we will show you how to backup and restore MySQL or MariaDB databases from the command line...
The Linux kernel is managing the computer resources and work as the bridge between your computer’s hardware and software. It is the core component in the Linux operating system. The Linux kernel has a modular design and need to add and remove modules. In this article, we’ll explain how to use modprobe to add...
The pidof is a command-line tool used to find the process ID of a running program. This article shows you how to use the pidof command in Linux. How to Use the pidof Command# pidof is implemented differently on Red Hat and Debian based distributions. On Debian, sysvinit-utils package includes it while on Red...
In this article, we will discuss about the Bash exit built-in command and the exit code of the executed commands. Generally, at the time of writing Bash scripts, you will need to terminate the script when a certain condition is met or to take action based on the exit code of a command. Exit...
The pgrep is a command-line utility used to find the process IDs of a running application. It’s inlcuded in procps package and pre-installed on most of the Linux distributions. The process name can be full or partial, which running by a user or other attributes. This article we will discuss the basics of the...
In Python, lists are the mostly used data type to store collections of the same type data. This guide shows you how to find the length of a list in Python. len() Function# The len() function is a built-in function of Python, used to get the length of a specified object. It can be...