View process hierarcy from the command line - pstree

The commands ps and top are very useful for seeing what's running on your system. Operating systems like Linux though actually have a hierarchical system of processes, and by default neither of those two show you that hierarchy.

That's where pstree comes in. As the name suggests, it shows you a tree-style list of processes in this hierarchy. As you can see, depending on the exact flavour of ...

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Getting acquainted with GNU screen

GNU screen is a very neat tool that's included in most Unix-like operating systems. It's a utility that acts as a basic command line window manager, so you can maintain several open terminal sessions within one physical terminal.

You may ask me at this point why you need to do that when most graphical terminal programs have tabs for multiple sessions, but there are many occasions where GNU ...

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A Very Easy SSH Proxy/Tunnel

Whether your ISP is filtering content or you just want some privacy on the internet, there is always a quick solution, and it is surprisingly easy to set up.

Basically, all you need to do is SSH to any Shell account that you have access to (it can even be your own PC from another location) with the option -D. For example:

ssh -D 7070 user@site.com

will connect ...

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