System & Network Admin

System & Network Admin

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Recover Lost PDF Passwords with pdfcrack (Linux)
Recover Lost PDF Passwords with pdfcrack (Linux)
Forgetting the password to your important PDF documents can be disastrous. pdfcrack is a Linux command line tool that can crack the password of any PDF file
·maketecheasier.com·
Recover Lost PDF Passwords with pdfcrack (Linux)
Easily Self Host Vaultwarden Using Docker Compose - Tech Addressed
Easily Self Host Vaultwarden Using Docker Compose - Tech Addressed
In this tutorial, we'll compare Vaultwarden to Bitwarden and why you would consider using it instead of Bitwarden as well as everything you need to know to get Vaultwarden deployed quickly and easily in your homelab environment using Docker Compose.
·techaddressed.com·
Easily Self Host Vaultwarden Using Docker Compose - Tech Addressed
How To Setup & Configure A Nginx Reverse Proxy - Tech Addressed
How To Setup & Configure A Nginx Reverse Proxy - Tech Addressed
If you run multiple services on your network - especially using Docker - hosting a Nginx reverse proxy is an invaluable tool for making accessing those services easier. With this guide, you'll have Nginx setup and configured in no time. While the bulk of the information regarding configuring Nginx will apply to any Nginx install, the scripts / instructions specific to installing the software will only work on Debian / Ubuntu.
·techaddressed.com·
How To Setup & Configure A Nginx Reverse Proxy - Tech Addressed
How to Install SSL Certificate on NGINX Server
How to Install SSL Certificate on NGINX Server
Install an SSL Certificate on NGINX to ensure a safe connection from your webserver to browsers. Set up SSL on NGINX with these simple steps.
·phoenixnap.com·
How to Install SSL Certificate on NGINX Server
OpenSearch
OpenSearch
OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.
·opensearch.org·
OpenSearch
How to Install OpenSearch via Docker on Ubuntu 22.04
How to Install OpenSearch via Docker on Ubuntu 22.04
OpenSearch is a community-driven project by Amazon and a fork of Elasticsearch and Kibana. In this tutorial, you will install and set up OpenSearch - ...
·howtoforge.com·
How to Install OpenSearch via Docker on Ubuntu 22.04
Detecting Rogue DHCP Server
Detecting Rogue DHCP Server
What is a rogue DHCP server A rogue DHCP server is an unauthorized DHCP server that distributes knowingly or unknowingly wrong or malicious information to clients that send DHCP discover packets withi
·ittavern.com·
Detecting Rogue DHCP Server
Understanding /etc/mtab File Parameters in Linux System
Understanding /etc/mtab File Parameters in Linux System
In this article, we will explore the /etc/mtab file on a Linux system and understand the various parameters and directives included therein.
·tecmint.com·
Understanding /etc/mtab File Parameters in Linux System
How to use GitOps to automate Terraform
How to use GitOps to automate Terraform
Instead of using CI/CD pipelines or Terraform Cloud, try this alternative approach to automating Terraform using Flux and GitOps.
·opensource.com·
How to use GitOps to automate Terraform
Getting started with GNU screen - Beginners Guide
Getting started with GNU screen - Beginners Guide
Screen is a terminal multiplexer and has a wide feature set. It allows you to split your terminal window into multiple windows (split screen feature), detach sessions to let commands run in the backgr
·ittavern.com·
Getting started with GNU screen - Beginners Guide
What is File Globbing in Linux?
What is File Globbing in Linux?
In this article, you will learn what file globbing is in Linux and how to use it with various commands through practical examples.
·linuxtldr.com·
What is File Globbing in Linux?
Basics of Power over Ethernet (PoE)
Basics of Power over Ethernet (PoE)
Power over Ethernet - or short 'PoE' - allows you to supply DC power for another device over the ethernet network cable. The most common Power Source Equipment (PSE) types are switches and routers (en
·ittavern.com·
Basics of Power over Ethernet (PoE)
How to Use 'head' Command to Manage Files Effectively
How to Use 'head' Command to Manage Files Effectively
In this guide, we will learn about the head command using some practical examples to work with text files efficiently from the command line interface.
·tecmint.com·
How to Use 'head' Command to Manage Files Effectively
Creating ED25519 SSH keys
Creating ED25519 SSH keys
TLDR; The following command will create a new SSH key using ED25519 with an auto-generated comment. ssh-keygen -t ed25519 -f $HOME/.ssh/id_ed25519 -C "$(whoami)@$(hostname)-$(date +'%y%m%d')" SSH Keys The best, and sometimes only, way to connect to a remote SSH server is via an SSH key. Allowing key only access to a SSH server massively reduces an attackers ability to brute force the server and raises the overall level of security.
·mebmc.uk·
Creating ED25519 SSH keys
DNS Response Size
DNS Response Size
Everybody knows a DNS response needs to fit into a 512 byte UDP packet, right? But suppose it doesn't fit...
·netmeister.org·
DNS Response Size
SSH Troubleshooting Guide
SSH Troubleshooting Guide
I won't go into specific cases in this blog post. This is a general guide on how to gather the necessary information that will help you to get your problem fixed. In this post, I'll use a Linux client
·ittavern.com·
SSH Troubleshooting Guide
who Command in Linux: Explanation with Examples
who Command in Linux: Explanation with Examples
A simple tutorial explaining the basics of who command in Linux with its parameters, syntax, usage and various examples.
·debugpoint.com·
who Command in Linux: Explanation with Examples
How to build your OCI images using Buildpacks
How to build your OCI images using Buildpacks
Docker has become the new standard for building your application. In a Docker image we place our source code, its dependencies, some configurations and our application is almost ready to be deployed…
·adaltas.com·
How to build your OCI images using Buildpacks
Advanced Copy - Shows Progress While Copying Files in Linux
Advanced Copy - Shows Progress While Copying Files in Linux
Advanced-Copy is a command line program that is very much similar, but a little modified version of the original cp and mv command with a progress bar.
·tecmint.com·
Advanced Copy - Shows Progress While Copying Files in Linux