What is a VPN (Virtual Private Network)?

VPN (Virtual Private Network) allows a secure connection to other networks via the internet. VPNs can be used to access region-restricted websites (accessible only from certain countries), protect surfing activities on the internet, tapping public WiFi, and much more. These days VPNs are gaining popularity, but not for the reason they were originally created. VPNs were originally just a way […]

How to Install MikroTik RouterOS on VPS Vultr

The operating system images available by default on the Vultr Cloud Compute (VC2) service are CentOS, CoreOS, Debian, Fedora, FreeBSD, OpenBSD, Ubuntu, and Windows. Vultr has also provided ISOs in the ISO Library, containing various Linux and BSD distributions. Then what if we want to install MikroTik on VPS Vultr? The trick is to use a MikroTik raw disk image […]

How to Install Cockpit on CentOS 7

cockpit is a web-based application for easy administration of Linux servers. Its features include system monitoring, logs, networking, services, and available terminals. Install Cockpit Install the epel-release package (Extra Packages for Enterprise Linux) sudo yum install epel-release 1 sudo yum install apple–release Repository updates sudo yum update 1 sudo yum updates Restart sudo reboot 1 sudo reboot Install the cockpit […]

How to Remote Linux Server from Windows with Xshell

Previously I’ve discussed how to remote Linux server from Windows with PuTTY, this time using the Xshell application. Xshell is a client application for Telnet, SSH, and Terminal Emulator on Windows. NetSarang Computer, which is the foundation for this application, provides: free license for Xshell. Xshell can be an alternative application from PuTTY which was already widely known as an […]

How to Add Network Adapter in VirtualBox

Each virtual machine in VirtualBox can use a maximum of 8 network adapters, but the VirtualBox GUI application can only install 4 network adapters. For setting the network adapter 5-8 we must use the CLI application from VirtualBox. Network Adapter Configuration Host-Only Network Adapter vboxmanage modifyvm “LabUbuntuServer” –nic5 hostonly vboxmanage modifyvm “LabUbuntuServer” –hostonlyadapter5 vboxnet0 1 2 vboxmanage modifyvm “LabUbuntuServer” —nic5 […]

How to Install FTP Server with VsFTPd on Ubuntu

File Transfer Protocol (FTP) is a standard network protocol at the application layer that is used to transfer files between the client and server, with port number 21. There are 3 FTP server applications commonly used in Unix-like namely Pure-FTPd, VsFTPd, and ProFTPd . In this tutorial I’m using VsFTPd (Very secure FTP daemon) on Ubuntu 16.04. Install vsftpd sudo […]