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Secure osTicket with Lets Encrypt SSL Certificates - Do it Now

This article covers how secure osTicket with Let’s Encrypt SSL Certificates. You can use the Certbot to request for SSL certificates from Let's Encrypt Certificate Authority. The tool is not available by default and will need to be installed manually.


To Install certbot certificate generation tool:

1. Install certbot on Ubuntu /Debian:

# Install certbot on Ubuntu /Debian

$ sudo apt update

# Apache

$ sudo apt-get install python-certbot-apache

# Nginx

$ sudo apt-get install python-certbot-nginx


2. Install certbot on CentOS 8 / CentOS 7:

On a CentOS system run either of the following commands:

# CentOS 8

## For Apache

$ sudo yum -y install python3-certbot-apache

## For Nginx

$ sudo yum -y install python3-certbot-nginx

# CentOS 7

## For Apache

$ sudo yum -y install python2-certbot-apache

## For Nginx

$ sudo yum -y install python2-certbot-nginx

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JupyterLab Environment on Ubuntu 18 04

This article will guide you on the process to set up a JupyterLab Environment on Ubuntu and made it accessible remotely. 

The JupyterLab Credential Store uses a password that you set upon first use. Each credential is encrypted with a hash of your password. The encrypted credentials are stored in the credentialstore file in the #directory you start #JupyterLab from.

You can also create new #environments from within Jupyter Notebook (home screen, Conda tab, and then click the plus sign). And you can create a notebook in any environment you want. Select the "Files" tab on the home screen and click the "New" dropdown menu, and in that menu select a Python environment from the list.

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Step by step process to Secure Apache with Lets Encrypt on CentOS 8

This article will guide you on the process to secure #Apache with Let’s Encrypt by installing Let's Encrypt #Certbot client, downloading #SSL #certificates for the #domain, and setting up automatic certificate renewal.

The objective of Let's Encrypt and the #ACME protocol is to make it possible to set up an #HTTPS server and have it automatically obtain a browser-trusted certificate, without any human intervention.

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Centralizing logs on Ubuntu with Journald

This article will help you to configure centralization of logs with Journald on Ubuntu for both the Server and Client system.

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