Setting up hostname is an important task when you are installing the operating system. Hostnames are invented to make human life easy. When you have 100’s of machines in your network it is not easy to remember each machine with its IP address but with hostname it becomes easy. Let’s dive in and see how simple it is to configure hostname in Fedora Linux.
In our previous chapter of the LFCA series, we defined a computer network and briefly brushed over some of the general Linux networking commands that you can use to retrieve useful network information such as your IP address, subnet mask, open ports and so much more.
Java is a General purpose, Object Oriented Programming Language written by James Gosling. It is known for many features which makes it different from other Programming languages. It is one of those Programming Language that has always remained in demand since the time of its initial release.
CloudStats is a cloud based server and website monitoring platform that makes it really easy for you to monitor any server or website. The platform supports servers of all types (for example, cloud, vps, dedicated servers) and most operating systems (like Ubuntu, Debian, CentOS and Windows).
Teamviewer is a cross-platform, powerful, and secure remote access and control software that can connect to multiple devices simultaneously. It is an all-in-one solution for remote support which can be used for desktop sharing, online meetings, and file transfer between devices connected over the Internet.
The Apache HTTP Server (commonly referred to simply as Apache), is a free and open-source web server software brought to you by the Apache Software Foundation. Apache has been around for more than 2 decades and is considered beginner-friendly.
With the provision of installation media formats like ISO images and Live CDs, running new installations of operating systems is as easy as a walk on the beach, especially in cases with our favorite open-source desktop operating system, GNU/Linux.
Before installing Virtualbox, check if virtualization is enabled in BIOS. During bootup press the bios key and navigate through the bios option to enable/disable virtualization. Depending upon your machine product, the bios key may vary.
ToDo lists are arguably the most developed applications after calculator-type apps because their feature lists are pretty much set in stone and that makes them relatively easier to create compared to more complex applications e.g. graph plotting apps.
PostgreSQL is a powerful, widely-used, open-source, multi-platform, and advanced object-relational database system known for its proven architecture, reliability, data integrity, robust feature set, and extensibility.
LinuxShellTips is happy to present a series on oracle VirtualBox, the most popular open-source (GPL V2) cross-platform hosted hypervisor in the market that supports X86, AMD/Intel virtualization.
One of the best ways to learn a particular subject is by explaining it to others. Needless to say, each time I write an article I am first also teaching the topic to myself and making sure I am conveying it in a way that will be easy to understand and follow. Doing screencasts is a magnificient way to accomplish this goal.
The gdu tool is created for SSD drives where parallel processing can be utilized. This tool can also work with HDD with less performance compared to SSD drives. You can also check benchmark results. There are many other similar tools and you have to play with gdu first to see if satisfy your needs.
This article is Part 8 of the LFCA series, here in this part, you will acquaint yourself with the general system administration commands to monitor basic system metricks and schedule administrative tasks in the Linux system.
This article is Part 7 of the LFCA series, here in this part, you will acquaint yourself with the general system administration commands to manage software packages in the Linux system.
Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for network zones. In the earlier version, RHEL & CentOS 6 we have been using iptables as a daemon for packet filtering framework. In RHEL/CentOS 7/8 and Fedora iptables interface is being replaced by firewalld.
Mosh, which stands for Mobile Shell is a command-line application which is used for connecting to the server from a client computer, over the Internet. It can be used as SSH and contains more feature than Secure Shell.
gImageReader is a free and open-source PDF reader with the ability to extract text from images and PDFs. It is built as a simple Gtk/Qt front-end to Tesseract-OCR, an open-source OCR engine for recognizing texts and patterns in documents and images using Artificial Intelligence.
SSH keys are commonly used without a passphrase. This is especially true when automating tasks because no human is expected to be available to type in the passphrase. Nevertheless, the use of SSH key passphrases is recommended for interactive users.
Ideally, SSL certificates are issued by publicly trusted certificate authorities (e.g. Let’s Encrypt, Comodo, Verisign) to provide authentication and encryption on the internet. However, you could obtain an SSL certificate without going through a third-party certificate authority — this is what is referred to as a self-signed certificate.