It is possible to determine whether or not a specific port is open on a remote system by using tools such as nmap or telnet on a Linux system.
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How to synchronize time with NTPD time server
NTP stands for Network Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. There are NTPD servers available over the internet to which you can sync, or you can run your own NTPD server and configure client computers to sync their times to it.
How to change VNC password on Linux
The purpose of this tutorial is to show how to change the VNC password on a Linux system. This guide assumes that you have already installed VNC correctly and just need to change the password.
Ubuntu 20.04 ssh root login enable
The purpose of this tutorial is to enable root login over SSH on Ubuntu 20.04 Focal Fossa Linux. After installing OpenSSH, logging into the root account is disabled by default. This is done for security purposes. In case an account is compromised, it means the attacker will not automatically have root permissions as well.
Ubuntu 22.04 minimum requirements
Are you considering downloading Ubuntu 22.04 but need to know the system requirements? In this article, we’ll go over the minimum recommended system requirements for running Ubuntu 22.04 Jammy Jellyfish. Whether you want to upgrade to Ubuntu 22.04, or install the operating system on a PC or as a virtual machine, we’ll help you make sure you have the required hardware.
How to install Gnome and start GUI in Redhat Linux
This article will answer the following questions: How to start GUI in Redhat Linux. GNOME is the default desktop environment on Red Hat Enterprise Linux, but only if you opt for the full installation of the operating system. Other installations don’t include any GUI by default. If you’ve chosen a minimal install but don’t want to be limited to just the command line, you can install the GNOME desktop environment in a few simple commands.
How to start httpd service in RHEL Linux
The purpose of this guide is to show the steps to install Apache web server on Red Hat Enterprise Linux versions 7 and 8. Then, we will show how to start httpd service in RHEL.
How to tune Linux extended (ext) filesystems using dumpe2fs and tune2fs
The ext2, ext3 and ext4 filesystems are some of the most known and used filesystems specifically designed for Linux. The first one, ext2 (second extended filesystems) is, as its name suggests, the older of the three. It has no journal feature, which is the biggest advantage of its successor over him: ext3. Released in 2008, ext4 is the more recent, and currently the default filesystem on many Linux distributions.
Megatools Linux install and Basic Introduction
This tutorial will deal with Megatools Linux install and Basic Introduction. MEGA is one of the most famous cloud storage and file hosting services available. The service offered by the company are normally accessible via web interface or dedicated applications also on smartphone operating systems such as Android or iOS. In this article we see how to access the service from the command line via a free and open source set of tools written in Python: Megatools.
Ampache Raspberry Pi installation
In this Ampache Raspberry Pi installation you will learn how to setup a web based audio/video streaming application, which allow us to access our music and videos remotely. It is a completely open source project, written in PHP. The source code is hosted on github, and at the moment of writing, the latest available release is 4.4.3. In this tutorial we see how to install it on a Raspberry Pi OS, so to create a self-hosted media server.
What is DHCP and how to configure DHCP server in Linux
DHCP is a networking protocol used to assign IP addresses to networked devices. In this guide, we’ll introduce you to the protocol and explain how it works. You’ll also see how to implement a DHCP server on Linux systems, and configure it for your own network.
In this tutorial you will learn:
- What is DHCP?
- How to implement a DHCP server on major Linux distros
- How to configure DHCP on Linux
Send an email using Telnet
In this guide, we’ll show the step by step instructions to send an email using Telnet on a Linux system. This a great way to test your mail server configuration such as exim, sendmail or postfix without the need for an email client.
In this tutorial you will learn:
- How to install Telnet on major Linux distros
- How to send an email using Telnet protocol on Linux