Tag Archives: Linux
A Beginner’s Guide To Linux Command Line
This beginners guide is designed for beginners who are new to Linux and the Command line interface. Learn some of the most essential Linux command.
Complete VestaCP Setup Guide for Ubuntu 18
In this Complete VestaCP Setup Guide for Ubuntu 18 I will show you how to install Ubuntu 18 with all of its updates, Setup VestaCP and configure Name Server and domains.
Polkit vulnerability provides local privilege escalation bypass
Many of the Linux distros are vulnerable to the Polkit exploit. This vulnerability provides a local privilege escalation bypass. A hacker can easily obtain root access with this vulnerability. The vulnerability was recently discovered by GitHub Security Lab security researcher Kevin Backhouse. The vulnerability CVE-2021-3560 was publicly disclosed, and a fix was released on June 3, 2021. Make sure…
How to Install Docker on Ubuntu 20.04
In this tutorial you will be shown how to install Docker onto Ubuntu 20.04. Docker is an open source platform that simplifies the process of building, running, managing and distributing applications. It does this by virtualizing the operating system of the computer on which it is installed and running. Lets Get Started! Prerequisites Create…
How To Backup Ubuntu 20.04 To Backblaze B2 Storage
In this tutorial I will be showing you how to install Duplicati Backup Software on Ubuntu 20.04 and then how to configure backups to store data into Backblaze B2 Storage.
Configure Unifi Controller Ports On Ubuntu 20.04
In this tutorial you will be shown how to configure Ubuntu 20.04’s Uncomplicated Firewall (ufw) with the necessary Unifi Controller ports. Lets Get Started First make sure that you have already have your Unifi Controller Installed and working. Log into your Ubuntu 20.04 using putty via SSH. We will now configure a proper firewall with…
Jetty Vulnerability using Invalid Large TLS Frame causes 100% CPU Usage
This Jetty vulnerability is to be considered as a service availability issue. When using SSL/TLS with Jetty, either with HTTP/1.1, HTTP/2, or WebSocket, the server may receive an invalid large (greater than 17408) TLS frame that is incorrectly handled, causing CPU resources to eventually reach 100% usage. The following packages have been upgraded to a…
Install SSL Certificate Onto A FQDN UniFi Controller
In this tutorial you will be shown how to install SSL Certificate onto a FQDN (fully qualified domain name) UniFi Controller installed on Ubuntu 20.04. Lets Get Started SSH onto your Ubuntu Linux Server Make sure your server is fully up to date with patches. Check and see what type of pre-existing firewall your using….
Install UniFi Controller On Ubuntu 20.04 Linode
In this tutorial you will be shown how to install the UniFi Controller software with SSL on Ubuntu 20.04 using a Linode VPS. The current version of UniFi SDN Controller that we will be installing is 6.2.23 Of course new packages will be released and they can be found on there UniFi Software Download Page. The script…
Create Website Server With Linode and Hestia Control Panel
In this tutorial I will be showing you how to use Linode, Ubuntu 20.04 and Hestia Control Panel to create yourself a website server. This is a much better option than using shared website hosting servers where compromised website server incidents can happen due to improper maintained webservers and websites. Lets Create Your Domain. I…
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