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This command uses the reachable_host as a proxy; redirecting your request to the unreachable_host.
The main advantage is that you need only one ssh key. You copy the public part to both servers and you can access the unreachable_host without a problem.
Also, you can put this on ~/.ssh/config to access the unreachable_host directly:
ProxyCommand ssh user@reachable_host -W %h:%p
and, then, just ssh user@unreachable_host.
This command uses -newerXY to show you the files that are modified since a specific date. I recommend looking for "-newerXY" on the manpage to get the specifics.
It clears caches from memory. It works fine on CentOS and Fedora. It will show you how much memory you need, for real.
This is not recommended... lossy -> lossy = lossier.
Still, you can do it! ;)
This command is useful for renaming a clipart, pic gallery or your photo collection. It will only change the big caps to small ones (on the extension).
Nice interface for an info page.
A great way of viewing some man page while using gnome.
This command is a powerful "detoxifier" that eliminates special chars, spaces and all those little chars we don't like. It support several "sequences" so be sure to check your /usr/local/etc/detoxrc while at it... and maybe define your own