Linux Tutorials on the topic “security”
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Monitoring and Detecting Modified Files using Tripwire on CentOS 7
Author: Muhammad Arul • Tags: centos, linux, security • Comments: 3
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: 1
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: 63
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
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.
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Install Observium Network Monitoring on Debian 9
Author: Hitesh Jethva • Tags: debian, linux, networking, security • Comments: 5
Observium is a free and open source Network Management and Monitoring tool that can be used to monitor all of the network devices. It is written in PHP and uses SNMP to collect the data from the connected device and monitor them using a web interface. In this tutorial, we will explain how to install and configure Observium on Debian 9 server.
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How to Install and Use Encryptpad on Ubuntu 16.04
Author: Hitesh Jethva • Tags: linux, security, ubuntu • Comments: 2
EncryptPad is a free and open source software application that can be used for viewing and editing encrypted text using a simple and convenient graphical and command line interface. It uses OpenPGP RFC 4880 file format. You can easily encrypt and decrypt file using EncryptPad.
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How to install and use SoftHSM on Ubuntu 16.04 LTS
Author: Ahmad • Tags: security, ubuntu • Comments: 0
SoftHSM is basically an implementation of a cryptographic store accessible through a PKCS #11 interface. The PKCS#11 interface is used to communicate or access the cryptographic devices such as HSM (Hardware Security Modules) and smart cards. The primary purpose of HSM devices is to generate cryptographic keys and sign/encrypt information without revealing the private key to the others.
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How to Monitor and Detect Modified Files using Tripwire IDS on Ubuntu 16.04
Author: Muhammad Arul • Tags: linux, security, ubuntu • Comments: 2
Tripwire is a free and open source Intrusion Detection System (IDS). It's a security tool for monitoring and alerting file changes on the system. In this tutorial, we will show you how to install and configure Tripwire Host Based IDS on Ubuntu 16.04. We will also show you how to configure tripwire to monitor and detect modified files on the system.
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Install Let's Encrypt and Secure Nginx with SSL/TLS in Debian 9
Author: Matt Vas • Tags: debian, linux, nginx, security, server, web server • Comments: 9
This tutorial will show you how to install and secure a Nginx web server on Debian 9 with a TLS certificate issued for free by the Let’s Encrypt Certificate Authority. Furthermore, we will configure automatic renewal of Lets’ Encrypt TLS certificates using a cron job before the certificates expire.
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How to Setup Automatic Security Updates on CentOS 7
Author: Muhammad Arul • Tags: centos, linux, security • Comments: 8
Security updates, as most of you'd agree, are very important. On Linux, it's always advisable to keep the installed packages up to date, especially when it comes to security. In general, users should apply security updates to their Linux systems within 30 days of being released. In this tutorial, we will discuss how you can configure a CentOS 7 server for automatic security updates.