Category: Technology
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fail2ban for Ubuntu – ssh port security
fail2ban is a tool in the Ubuntu repository which helps in securing your internet facing ssh port. It uses a simple algorithm to detect repeated login and password attempts to ban the offending host for a period of time. The default installation of fail2ban bans a host for 10 minutes before removing the block from…
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Tripwire for Ubuntu
Tripwire is a file integrity checking tool. It’s primary function is notify you of any changes made to files or directories you have selected for monitoring. There are many tools available these days for this task however Tripwire specializes in this one function. It’s a tool that’s been around since before the days of the…
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Microsoft Azure Cloud – Installing an Ubuntu VM
After agreeing to the Microsoft End User Agreement blurbs, applying for your free Microsoft Azure Cloud Portal account and taking advantage of the current $200 credit you’re now ready to build your first virtual machine. Take a quick look at the picture up there describing the Platform and Infrastructure Services. I only point that out…
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Installing Mediawiki with Let’s Encrypt SSL Certificate Part 2
This is Part 2 of the Mediawiki with Let’s Encrypt SSL Certificate installation guide. In part one we covered the prerequisite OS portion of the installation which detailed the core components of Mediawiki. In addition to the core components, we installed support software for Mediawiki which will assure a successful installation. Image processing software is…
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Installing Mediawiki with Let’s Encrypt SSL Certificate Part 1
Part 1 – OS Installation Details This will be an actual ‘How To’. As I am concentrating on Ubuntu Linux 20.04, it will be very 20.04 ‘centric, however much will apply to all OS releases. There are numerous HowTo guides on installing Mediawiki on Ubuntu but after viewing a few of the pages searched for…
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Is it normal to see my sites being probed or hacked 24×7?
This is a copy of a post I posted somewhere on the internet as an answer to the above question. -Ron Yes, this is normal. I have some users and clients that have ‘bastion’ hosts on the internet. The primary reason for this is they have the one VPS or VM, and need to run…
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IONOS Cloud Interface – Part 2
In the first part of this series, we went over the System, Network, and Security tools available under the IONOS cloud interface, or portal. These were the more important parts of the cloud interface. The remaining options are Backup, Management, and Costs. The information contained in these 3 tools is extremely sparse to the point…
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tmux – Windows for bash
tmux is a an open source terminal multiplexer. In the language of laymen, tmux allows you to run multiple terminal sessions which you can access through the same ssh connection, or any type of terminal session you might be running to access or administrate your system. You can think of it as a window manager…
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IONOS Cloud Interface – Part 1
Today we’ll go over the IONOS cloud interface. The IONOS interface, or cloud console, is a web based interface which allows you to manage your VPS. In this article we’ll be discussing the Infrastructure tools, the Network tools, and the Security tools. When you log into your IONOS cloud console, you’ll find these options enumerated…
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Microsoft Azure Cloud
Microsoft Azure cloud is currently offering a $200 credit in a bid to bring users to their cloud computing platform and introduce them to the Azure interface. That’s a nice chunk of change and as I had been researching other options based on cost and features assessment, I decided to give it a try. Our…