Author: Rahul

Komodo Edit is a open-source part of popular Komodo IDE. We can use most of functionality of IDE except some advanced functionality. It is available free to download and install under mystic-mirage PPA on launchpad. Features of Komodo Edit: Multi-Language Editor Auto-complete & Calltips Toolbox Projects & Places Manager Multiple Selections Skins (Abyss) & Icon Sets Breadcrumbs Open Files pane Minimap Smart Snippets Install Komodo Edit We can install Komodo Ddit by adding mystic-mirage ppa in our system. Use following set of commands to add ppa repository and install Komodo Edit in our system. $ sudo add-apt-repository ppa:mystic-mirage/komodo-edit $ sudo…

POODLE (CVE-2014-3566) is an security vulnerability in SSLv3 discovered by Google in September. POODLE stands for Padding Oracle On Downgraded Legacy Encryption. All the websites supporting SSLv3 is vulnerable to POODLE, even if it also supports more recent versions of TLS. Using POODLE a hacker run Man-in-the-middle attacks attacks in your network stream and can steal secure HTTP cookies. This vulnerability has been found in SSLv3. For more information visit openssl security advisory. Fix POODLE (CVE-2014-3566): The easy and best solution is from preventing POODLE is disabling SSLv3 support from server side. Apache Users: Apache users edit your Apache configuration…

While using WHM/cPanel, We can not make any changes directly in the Apache configuration file. This file is automatically created by cPanel templates and re-created on system reboot or WHM update. Any custom changes will be lost during the recreation of the Apache configuration file. But If we want to add our own custom configuration in the Apache configuration of any website VirtualHost, We can do it by creating a configuration file at /usr/local/apache/conf/userdata/std/2_2/<username>/<sitename.com>/extra.conf. In other versions, this location may change. So to find this location, check the website VirtualHost in the main configuration file, at the end of VirtualHost…

MongoDB is a popular NoSQL database that is used for storing large amounts of data in a flexible and JSON-like format. As with any database, it is important to regularly back up your MongoDB data to ensure that you can recover from any unforeseen events such as data corruption, hardware failure, or accidental data deletion. In this article, we will go over the steps for how to back up and restore a MongoDB database. Prerequisites Before you can start backing up and restoring your MongoDB database, you will need to have the following: A MongoDB database installed and running on…

CGI, which stands for Common Gateway Interface, is a protocol that allows web servers like Apache to communicate with external programs or scripts. CGI scripts are often used to generate dynamic content on websites, such as search results or user login pages. Configuring CGI scripts in Apache is a relatively simple process, but it does require some basic knowledge of Apache configuration files and server administration. Here are the steps you need to follow to configure CGI scripts in Apache: Step 1: Enable CGI support in Apache Before you can configure CGI scripts in Apache, you need to make sure…

With the minimum installation of any Linux operating system, you will not see most of the commands in your system. In minimum operating system installation only required packages are installed for running an operating system and skipped unnecessary packages are. mail command is useful for sending emails from the Linux command line which is used for almost Linux operating systems. Most Debian-based systems will show errors like “The program ‘mail’ is currently not installed. You can install it by typing” There are many other alternatives to mail command for sending emails from Linux command line interface. Installing mail Command Let’s…

Linux is a powerful and flexible operating system, often lauded for its robustness and versatility. It’s used widely in servers, embedded systems, and personal computers alike. However, for new users, and even for some experienced ones, certain tasks can seem daunting. One such task is file compression and extraction, especially when dealing with the common tar.gz format. But fear not – once you know the steps, extracting tar.gz files is a breeze. This article will guide you on how to extract tar.gz files effectively in Linux. What is a tar.gz File? Before we dive into the how-to, let’s clarify what…

Managing PostgreSQL databases through a graphical interface rather than the command line can significantly streamline database operations. phpPgAdmin, much like its MySQL counterpart phpMyAdmin, offers a web-based management tool for PostgreSQL databases. This guide will walk you through the process of installing phpPgAdmin on an Ubuntu system, providing you with a user-friendly interface for managing your PostgreSQL databases. Prerequisites A server running Ubuntu (the steps should be applicable for most recent versions of Ubuntu). You should have PostgreSQL installed on your system. If not, you’ll need to install it before proceeding. sudo privileges to execute administrative commands. Step 1: Update…

Vim is a popular text editor that is widely used by programmers, developers, and system administrators. It is a highly customizable and powerful editor that has a steep learning curve, but once mastered, it can significantly improve your productivity. In this article, we’ll discuss some essential Vim save and quit shortcuts that every Vim user should know to help speed up their workflow. Quick Details Here are some quick details on saving and quitting in Vim. Remember to press Esc to ensure that you are in normal mode before entering any commands. With these basic commands, you’ll be able to…

Security of data always have in top of priorities for systems administrator’s. Systems admin’s always tries to keep all the ports close for public used which is not required. But some times we are in require to allow some of our external users or clients to server via remote login. In that case we need to open firewall ports. Generally we use IP addresses to allow/deny a client via iptables, but it’s not necessary that each client has static ip on their side. In that case its hard to open port time to time for their ips. In this situation…