Linux Tutorials on the topic “security”
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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: 2 • 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.
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Suricata IDS with ELK and Web Frontend on Ubuntu 18.04 LTS
Author: Miguel • Tags: linux, security, server, ubuntu • Comments: 8 • Published: Aug 07, 2018Suricata is an IDS / IPS capable of using Emerging Threats and VRT rule sets like Snort and Sagan. This tutorial shows the installation and configuration on an Ubuntu 18.04 (Bionic Beaver) server.
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Linux Basics: How To Create and Install SSH Keys on the Shell
Author: howtoforge •
Tags: linux, security, shell •
Comments: 4 •
Updated: Aug 06, 2018 SSH keys offer a highly secure manner of logging into a server with SSH as against mere dependence on a password. This tutorial shows you how to generate an SSH key pair by using the ssh-keygen command and how to configure the SSH Daemon to only allow logins by key.
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Full Drive Encryption with Debian 9.4 or Ubuntu 18.04 LTS
Author: Chris Silva • Tags: debian, linux, security, ubuntu • Comments: 0 • Published: Jul 25, 2018This tutorial will show you step by step how to encrypt a full drive with Cryptsetup on Debian 9.4 or Ubuntu 18.04 LTS (Bionic Beaver). The drive that gets encrypted may not be part of an LVM volume.
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Integration of CFSSL with the Lemur Certificate Manager
Author: Ahmad • Tags: linux, security • Comments: 2 • Published: Jul 09, 2018This tutorial shows the integration of CFSSL with the Lemur certificate Manager. In the previous article on Lemur certificate manager, we have not used any third party root Certification Authority (CA) for the client certificates. Therefore, in this tutorial, PKI will be set up using CFSSL (Cloudflare's SSL) and integrated with the Lemur project.
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How to setup an SFTP server on CentOS
Author: shahril bin kamaruzzaman •
Tags: centos, linux, security, server •
Comments: 13 •
Updated: Mar 22, 2018 This tutorial explains how to setup and use an SFTP server on CentOS. Before I start, let me explain what actually SFTP represents and what it is used for. SFTP stands for SSH File Transfer Protocol or Secure File Transfer Protocol. It uses a separate protocol packaged with SSH to provide a secure connection.
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Monitoring and Detecting Modified Files using Tripwire on CentOS 7
Author: Muhammad Arul •
Tags: centos, linux, security •
Comments: 0 •
Published: Mar 02, 2018 Tripwire is a powerful IDS that protects your system against unwanted changes. You can use it to monitor your system files, including website files, so when there is an unwanted file change, Tripwire will check your system and if set up correctly, can alert you on email.
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Installation of Lemur Certificate Manager on Ubuntu
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 0 •
Published: Feb 26, 2018 This tutorial shows the installation of the Lemur certificate management software on Ubuntu 16.04 LTS. Lemur is an open source project of NetFlix and used to generate the certificates for customers/clients.
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Securing ISPConfig 3.1 With a Free Let's Encrypt SSL Certificate
Author: howtoforge •
Tags: ispconfig, security, ubuntu •
Comments: 27 •
Published: Feb 13, 2018 This tutorial shows how to create and configure a free Let's encrypt SSL certificate for the ISPconfig interface (port 8080), the email system (Postfix and Dovecot/Courier), the FTP server (pure-ftpd) and Monit.
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How to Encrypt Files with Tomb on Ubuntu 16.04 LTS
Author: Dan Fries •
Tags: linux, security, ubuntu •
Comments: 2 •
Published: Jan 25, 2018 This tutorial shows how to encrypt your files by using Tomb on Ubuntu 16.04. Tomb is an alternative to Truecrypt and Veracrypt designed for Linux systems.
