Linux Tutorials on the topic “security”
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The creation of User, Certificate and Signing of CSR for Lemur Certificate Manager
Author: Ahmad • Tags: linux, security • Comments: 0 • Published: Nov 28, 2018In this article, we will perform following scripts to interact with Lemur using the terminal: Creation of Authority using CFSSL in the Lemur GUI. This CFSSL Authority will be used in our scripts to generate the certificate.
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Spectre and Meltdown CPU Vulnerability Test and Microcode Update on Linux
Author: Jose Gutierrez • Tags: linux, security • Comments: 2 • Published: Nov 22, 2018This tutorial covers an introduction to Spectre & Meltdown CPU Vulnerabilities, a test to find out if your hardware is affected and instructions on how to install Intel Microcode updates to fix the issue on Linux.
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Chrooted Drop Bear SSH Server HowTo
Author: ebal • Tags: linux, security • Comments: 3 • Updated: Nov 14, 2018This tutorial is being written to help you install Drop Bear SSH server into a chroot environment. Dropbear is a relatively small SSH 2 server and client. It is an alternative lightweight program for OpenSSH and it is designed for environments with low memory and processor resources, such as embedded systems.
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How to Install Passbolt Self-Hosted Password Manager on CentOS 7
Author: Muhammad Arul • Tags: centos, linux, security • Comments: 0 • Published: Nov 05, 2018Passbolt is a free and open source password manager for teams. It allows team members to store and share credentials/password securely. Passbolt is created with PHP and can be run under the LEMP stack or run as docker container.
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Installation and Usage of Maltrail detection system on Ubuntu 18.04
Author: Ahmad • Tags: linux, security, ubuntu • Comments: 0 • Published: Oct 05, 2018Maltrail is a malicious traffic detection system which utilizes the publicly available spam list/ blacklists of malicious and suspicious trails. This tutorial shows the installation of Maltrail on Ubuntu 18.04 LTS.
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How to Encrypt USB Drive on Ubuntu 18.04 LTS
Author: Hitesh Jethva • Tags: linux, security, ubuntu • Comments: 2 • Published: Sep 20, 2018Encryption is the best way to protect your important documents personal info and other credentials. In this tutorial, we will learn how to encrypt your USB drive with LUKS on Ubuntu 18.04 LTS.
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Three Tools to Scan a Linux Server for Viruses, Malware and Rootkits
Author: Till Brehm • Tags: centos, debian, fedora, linux, other, security, ubuntu • Comments: 15 • Updated: Sep 14, 2018Servers connected to the internet are seeing a constant level of attacks and scans all day. While a firewall and regular system updates are a good first defense to keep the system safe, you should also check regularly that no attacker got in. The tools described in this tutorial are made for these sanity checks, they scan for malware, viruses and rootkits.
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How to whitelist an IP in Fail2ban on Debian Linux
Author: oufcomm • Tags: ispconfig, linux, networking, security • Comments: 6 • Updated: Sep 03, 2018How to whitelist an IP in Fail2ban on Debian Linux. Fail2Ban is used to protect servers against brute force attacks. Fail2ban uses iptables to block attackers, so, if we want to add permanent IP address and never be blocked, we must add it in the config file.
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How to Install Matrix Synapse Chat on Ubuntu 18.04 LTS
Author: Muhammad Arul • Tags: linux, nginx, security, server, ubuntu • Comments: 4 • Published: Aug 10, 2018In this tutorial, we will show you step-by-step how to install and configure Matrix Synapse on Ubuntu 18.04 LTS. Matrix is a new ecosystem for decentralized communication in real time for open federated instant messaging and VoIP services.
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How to Setup IKEv2 VPN Using Strongswan and Let's encrypt on CentOS 7
Author: Muhammad Arul • Tags: centos, linux, security • Comments: 1 • Published: Aug 08, 2018Strongswan is an open source multiplatform IPSec implementation. It's an IPSec-based VPN solution that focuses on strong authentication mechanisms. In this tutorial, I will show you how to install an IPSec VPN server using Strongswan. We will create an IKEv2 VPN server with the 'EAP-MSCHAPv2' authentication and be using Letsencrypt certificates on CentOS 7 server.
