linux

When it comes to purchasing SSL certificates, there's a common challenge—sometimes, the certificate chain is provided separately from the certificate itself. This separation can lead to compatibility issues, as many systems require the complete certificate chain to establish trust. In this guide, we'll show you how to seamlessly add a certificate chain to your SSL certificate using OpenSSL. Additionally, we'll demonstrate how to extract the certificate and private key from a PKCS12 certificate, making it a comprehensive resource for managing SSL certificates.

Hi there. I’m sure that many people have a question – how to forward ports on their routers, for make several internal HTTP or HTTPS services working on one external IP address. The question is mostly actual for home and small businesses. And the task can be solved with configuring a reverse proxy.

If you have Ubuntu OS on your home computer, then you may not need the logon with password. If computer is always at home, this is not particularly necessary, and usually entering passwrod when system turns on or goes out from sleep mode is pretty boring. Below I'll show you how to turn off password enterance on computer with Ubuntu when it turns on.

I have the keyboard - Logitech G510s. I've spent a lot of time to find out drivers for it for Ubuntu operating system. Actually it works well in Ubuntu, but it is unable to create macros, change LED colors and on LCD there is always G510s lit on the screen. At the same time media buttons works normaly out of the box.

Overall, during search for drivers, or how can it be called... The programm to controll display, colors and macros, I tried several different programms, and only one is working perfectly.

In that article I'll show you, how you can get a remote access to a Ubuntu computer. I mean remote desktop access, because I don't think you can have any questions with access to terminal, as I think ssh is well known to everyone.

I'll show how to get access with the hel p of VNC server and xrdp. Because if you want to make a connection from Windows computer, I think that VNC will work, to put it mildly, not so fast. Also youl need to install VNC client, if you will use simple VNC server, but there are situations when you cannot install additional software on computer, so we will configure everything so that you don't need to install anything. after the steps taken, you can 1) connect to your remote computer with clear VNC protocol; 2) connect to remote computer with RDP, and then from inside RDP session connect to desktop with VNC - that will allow you not to install additional client to computer from whitch you are connecting.

There is a single requirement to that scheme - you must have a real IP, or use VPN or SSH tunnel.

Sometime there are situations when you need to access remote Linux filesystem from Windows based computer, but you cannot install samba or ftp. And make an access to filesystem root folder with samba or ftp as you know not a good idea because it is unsecure. For that case you can use a little utility called WinSCP.

Today, I want to guide you through setting up a stellar solution for web developers on Ubuntu. This solution encompasses the Sublime text editor, an extension named Emmet to expedite HTML tag input, browser extensions, and programs like LiveReload that automatically refresh the page whenever you save a CSS or HTML file.

Hello fellow server enthusiasts! Today, I'd like to share a solution to a common request I often come across: setting up an email server to automatically add signatures to user emails. Specifically, we'll look at the Postfix SMTP server running on Ubuntu Server 16.04, and how to integrate signatures using altermime.

Managing multiple terminal windows in Linux, especially when you have numerous tasks running simultaneously, can quickly become confusing. Have you ever found yourself in a situation where you have ten windows open and they all look identical? If you're like most Linux users, distinguishing between them can be a challenge.

In this guide, we will specifically discuss an easy method to rename your terminal windows. This will not only make your workflow more organized but also reduce the chance of making errors due to working in the wrong window. We'll be using the gnome-terminal as an example, particularly focusing on Ubuntu 16.04. But if you're a CentOS user, don't worry! We have something for you too.

Creating a stable connection between various Linux systems is paramount for modern network specialists. Enter the world of IPIP tunneling, one of the most straightforward solutions available. In this guide, you'll uncover the nuances of setting up an IPIP tunnel on two popular Linux distributions: Ubuntu 16.04 and CentOS 7.