Ubuntu

In many terminal text editors, you use find command as reference in Terminal commands - find.  How about find and replace.  This action depends on the specific text editor you're using in the terminal.  Here are a few common terminal text editors and how you can find and replace strings within them:

Vim

To find: Press / followed by the search term and then Enter.

To resolve the CVE-2022-48624 vulnerability on Ubuntu using Nginx, it's crucial to understand that the issue lies within the "less" package, not Nginx itself. The vulnerability affects "less" before version 606, where close_altfile in filename.c in less omits shell_quote calls for LESSCLOSE, potentially allowing shell command injection.

The current less version is 551, which is vulnerable. You'll need to upgrade "less" to a version at or beyond 606.

In an environment that is running

• Ubuntu 20.02
• Nginx
• Solr

The default Nginx conf is located /etc/nginx/sites-available/ and contains something similar to:

You can perform the following steps:

Check Apache Modules

Apache Struts 2 is typically integrated with Java applications and runs on servlet containers like Apache Tomcat. However, if you want to check for any signs of Struts 2 on Apache, you can look for loaded Apache modules. Run the following command:

Permission error

To use OpenAI to summarise text from a PDF using Python 3.11.6, you'll first need to extract the text from the PDF and then send it to the OpenAI API for summarisation.

Preparation

Set-up

pip install python-dotenv langchain openai tiktoken pypdf pymupdf

Code

The current code is on my Summaries GitHub page.

To set an environment variable on Ubuntu, can be achieved via a few options.  This depends on whether you want the variable to be system-wide or specific to a user's session.  Here are a couple of more common methods for setting environment variables:

Whilst installing Python 3.11.6 and running the command 'sudo make altinstall', the following error

When logging into Ubuntu server you will see a response similar to

Adding an SSL wildcard certificate to an Ubuntu server involves several steps.  A wildcard certificate can secure subdomains of a domain with a single certificate. Here's a general outline of the process:

I'll be using an existing wildcard certificate.

sudo apt update && sudo apt upgrade -y