How to enable Secure Shell (SSH) server on OPNsense

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In this tutorial, we are going to learn how to enable ssh server on OPNsense. So you have installed OPNsense and can be able to login via web gui but login via ssh is timing out? # ssh -v [email protected] OpenSSH_7.2p2 Ubuntu-4ubuntu2.4, OpenSSL 1.0.2g 1 Mar 2016 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to 192.168.10.23...

How to Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

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Nagios Remote Plugin Executor (NRPE) is used to remotely execute Nagios plugins on Linux/Unix machines. This makes it easy to monitor remote machine metrics such as disk usage, CPU load, number of running processes, logged in users etc. In this tutorial, we are going to learn how to install and configure NRPE from source for use with Nagios Server. You...

Install Gophish on Ubuntu 18.04/Debian 9.8

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In this guide, we are going to discuss how to install Gophish on Ubuntu 18.04/Debian 9.8. Gophish is a powerful open-source phishing framework that enables organizations to quickly and easily setup and execute phishing engagements and security awareness training. When a phishing campaign is launched, Gophish updates the results automatically. Using the UI, you...

Install Cisco AnyConnect Client on CentOS 8

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Step through this guide to learn how to install Cisco AnyConnect Client on CentOS 8. The Cisco AnyConnect Secure Mobility Client enables users to securely connect to Virtual Private Network (VPN) while enjoying the benefits of a Cisco Secure Sockets Layer (SSL). Install Cisco AnyConnect Client on CentOS 8 Download Cisco...

Install OpenVAS 9 with PostgreSQL in Ubuntu 18.04

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In this guide, we are going to learn how to install OpenVAS 9 with PostgreSQL in Ubuntu 18.04. In our previous guide, we covered the installation of OpenVAS 9 on Ubuntu 18.04, see the link below. OpenVAS 9 uses SQLite as the database by default. Installing OpenVAS 9 on Ubuntu 18.04

Install pfSense Firewall on KVM

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In this guide, we are going to learn how to install pfSense firewall on KVM. pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN and many more features that are comprehensively described on pfSense features page. Install pfSense Firewall...

Connect to VPN Automatically on Ubuntu 20.04/18.04

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Today, we are going to learn how to connect to VPN automatically on Ubuntu 20.04/18.04. There are various scenarios in which you might want to connect to VPN automatically when system boots. In this guide, you will learn how to connect to VPN automatically on Ubuntu 20.04/Ubuntu 18.04 desktop systems, OpenVPN clients. Connect to...

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

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In our previous article, we learnt how to Install IBM Qradar Community Edition on VirtualBox. Installation of QRadar CE 7.30 on CentOS 7 may fail with the error "One of the configured repositories failed (CentOS-7 - Gluster 3.8) and yum doesn't have enough cached data to continue". As a result, this guide presents a simple way on how...

How to Set System Wide Proxy in Ubuntu 18.04

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In this guide, we are going to learn how to set system wide proxy in Ubuntu 18.04. Imagine you are in a local network environment where access to the Internet is also possible when you are going through a proxy server. Well, in this guide we are gonna learn how to configure system wide proxy settings on your Ubuntu...

How to install and configure AlienVault OSSIM 5.5 on VirtualBox

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In this tutorial, we are going to learn how to install and set up AlienVault OSSIM 5.5 SIEM on VirtualBox. If you are a Blue Team security analyst, in one way or another you must have heard of or interact with not one, not two SIEM (Security Information and Event Management) solutions. Well, AlienVault is one of the leading SIEM...