Open Source Articles - Page 139 of 127

Lynis is a security audit tool for Unix and Linux based systems. It assists auditor in scanning the system and its security defenses helps in improving system hardening. This software will determine system information which is specific to OS type, installed packages, system and network configuration. Additionally, it will check the system for configuration errors and security issues. This article explains about how to install lynis on Ubuntu.FeaturesIt is an open sourceIt supported shell scriptNo dependenciesEasy to understandDynamic OS detectionIt supported 300+ built-in testsIt supports for custom testsPlugin supportIt supports compliance checksExtensive software supportInstalling of LynisLynis doesn’t required any installation, ... Read More

In this article, we will teach you on – how to schedule a corn job to execute at a specific time.General Syntax of a Cron JobMIN    HOUR    Day of month    Month    Day of Week    Command 0-59   0-23       1-31          1-12       0-6       linux command or scriptTo see a list of Cron Jobs which exists on the machine, run the below command –# crontab -l no crontab for rootTo add the new cron job, run the below command –#crontab -e no crontab for root - using an empty one Select an editor. To change later, run 'select-editor'. 1. /bin/ed 2. /bin/nano

Text editors can be utilized for writing code, enhancing text files such as configuration records, developing person guideline documents and plenty of extra. In Linux, text editors are of two kinds ie., graphical user interface (GUI) and command line text editors. This article explains about how to install best Open Source Text Editors.Vi/Vim EditorVim is designed for use of both command-line interface and as a standalone application in a graphical user interface. Vim is free and open source software and is released under a license that includes some charity ware clauses. To install vim editor, use the following command –$ ... Read More

Atom is a free and open-source text and source code editor for OS X, Linux, and Windows with support for plug-ins written in Node.js, and embedded Git Control, developed by GitHub. Atom is a desktop application built using web technologies. Most of the extended packages have free software licenses and are community-built and maintained. It is having a simple and intuitive graphical user interface and a bunch of interesting features for writing − CSS, HTML, JavaScript and other web programming languages. Among others, it provides support for macros, auto-completion – a split screen feature which integrates with the file manager.This ... Read More

For years, developers desperately needed a highly efficient and flexible framework that can not only help them establish effective applications but also give the liberty to bring their creativity and imagination. During that time, CodeIgniter emerged as the most agile, feature-rich and convenient alternative for developers. They love it madly for its quality to let all your creativity skills to life and develop extremely refined applications and minimizing coding.CodeIgniter enjoys the tag of one of the best in class frameworks loaded with a number of features including high security, convenient handling, exceptional stability and personalization.Although, bringing CodeIgniter into use and ... Read More

Many times while taking back up of data from one location to another or configuring software, we need to maintain the same level of ownership and permission of the files. Creating those permissions and granting ownership to individual files can be error prone of done by typing commands for each of the files. So we use some arguments with the chown and chmod commands.OwnershipWe use the –-reference swiych in the chown function to specify the ownership cloning from the source file to the target file.Syntaxchown --reference=source_reference_file target_fileIn the below example we have a source file whose ownership gets cloned to ... Read More

The Bash command-line history is a powerful feature that allows you to easily recall and reuse previously executed commands. However, there are times when you might want to clear this history for privacy reasons, security concerns, or simply to start with a fresh slate. This comprehensive guide will explore various methods for clearing your Bash command-line history in Linux, covering different techniques, options, and best practices. Why Clear Bash History? Clearing your Bash history can be important for several reasons − Privacy − If you've been working with sensitive information or executing commands you don't ... Read More

Introduction The Linux operating system is based on a robust set of command line tools that allow users to easily manage and control the system. One of the most powerful and widely used command line utilities is the "diff" command. The "diff" command in Linux is used to compare the contents of two files line by line and show the difference between them. This command-line utility is essential for developers and system administrators to identify changes to code or configuration files. In this article, we'll take a closer look at the diff command and its various options and usage scenarios. ... Read More