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Richard Merren
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22 followers
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Port Forwarding to Reach a Docker Instance
I have a docker instance running on a server that I can SSH into, but I am working remotely and would like to access its services. There are ways to set up something running in Docker so that it passes through and exposes the port from the host machine, but...
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Memtest86
The memory testing tool on bootable Linux distributions seems to have disappeared. It used to be when you booted up a CD or USB with a live Linux distribution like Ubuntu that there was an option for a memory test. Now that option seems to be gone. I needed...
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Using a previous version of Maven in Ubuntu
There are some issues in the current version of Maven (v3.3.9) that were giving me some problems with a plugin that is in use. I needed to revert to v3.3.3 under Ubuntu. Instead of uninstalling maven and manually installing the previous version, I can take ...
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Grep for a particular file type
Grep is great for searching recursively through a directory of source code, but it annoyingly wastes time looking at binary files and other file types that I am not interested in. When I am looking through some Java code for a reference to something like wr...
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Grep for a particular file type
Grep is great for searching recursively through a directory of source code, but it annoyingly wastes time looking at binary files and other file types that I am not interested in. When I am looking through some Java code for a reference to something like wr...
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Grep for a particular file type
Grep is great for searching recursively through a directory of source code, but it annoyingly wastes time looking at binary files and other file types that I am not interested in. When I am looking through some Java code for a reference to something like wr...
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Some data tools
There are some good command line data tools in  this blog post  for working with data. Specifically,  csvkit  is pretty useful.
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Figuring out which internet connection is being used
Now that fiber connections are more widely available (including in my house) sometimes I will plug my laptop in to a wired connection so that I can take advantage of the higher speeds. For general browsing and listening to music it doesn't make much differe...
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Viewing login attempts
Open an ssh port to the internet and in a short time you will see all kinds of login attempts. There will be repeated attempts to access your system using usernames such as "admin" and "root" and others that are presumably left unguarded on systems somewher...
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Running Python pip on a specific python installation
Python versions are a bit confused on my Ubuntu install right now. If I type "python" at the command line I get Python 2.7. If I type python3 then I get Python 3.4. And python3.5 gives me Python 3.5. Not usually a problem because I put the correct entry in ...
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