The APT (Advanced Package Tool) is a powerful package management tool for Debian based systems. It provides powerful command-line tool like “apt” or “apt-get”. Which is used to install, upgrade or remove a software package on your Debian system. In this tutorial, you will learn to how to uninstall or remove packages from a...
The netstat command generates displays that show network status and protocol statistics. It is a cross-platform utility available for Linux, macOS, or Windows systems. Which is very helpful troubleshooting the network configuration and issues. Identifying the application using ports on a system. The latest Linux operating systems have default installed this tool. But some...
Systemd is a software application that provides an array of system components for Linux operating systems. It is the first service to initialize the boot sequence. This always runs with pid 1. This also helps use to manage system and application service on our Linux operating system. We can also run any custom script...
This tutorial will help you to remove start and ending double quote from string in shell script. Where the string is stored in a variable. Remove Double Quote from a String The sed command line utility helps to easily handle this. A single line sed command can remove quotes from start and end of...
pgAdmin is an more advance alternative to phppgadmin. It is the most popular and feature rich Open Source administration platform for the PostgreSQL database server. Which is available for Linux, Unix, macOS and Windows operating systems. pgAdmin 4 is the enhanced version and is a complete rewrite of pgAdmin. Which includes a desktop version...
PostgreSQL is a powerful, reliable, robust and open source object-relational database system. The latest version of this database system is PostgreSQL 13.2, while versions 12.6, 11.11, 10.16, 9.6.21, & 9.5.25 still getting the regular updates. This tutorial describe you to how to install the newest PostgreSQL on Ubuntu 20.04 LTS Linux system. Prerequisites A...
In this article you will learn to how to convert a PDF file to Image in Linux command line interface. Pdftoppm converts Portable Document Format (PDF) files to the color image files like PNG, JPG etc. Pdftoppm reads the PDF file and creates one PPM (image) file for each page. Before beginning this tutorial,...
CloudFront is an popular caching and content delivery network service provided by the Amazon Web Services. It delivers data to users though its global data centers. CloudFront also make a local cache of content on its servers, which is further uses to quickie fulfill users requests. The Invalidation allows us to remove object(s) from...
Fail2ban is an tool used to improve server security from cyber attacks. It allows you to block remote ip addresses temporary or permanently based on defined settings. It helps you to secure your server and data from attackers. This tutorial decribed you the steps to install Fail2ban on a Debian 10 Buster Linux systems....
Fail2ban is an tool used to improve server security from cyber attacks. It allows you to block remote ip addresses temporary or permanently based on defined settings. It helps you to secure your server and data from attackers. This tutorial help you to install Fail2ban on a Ubuntu 20.04 LTS Linux systems. Also provides...