Commands by arcege (21)

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check open ports without netstat or lsof

List all installed PERL modules by CPAN
This command will give you the detailed information about the installed perl modules i.e. installed path, Link type, version, files etc.

Find common groups between two users
Updated according to flatcap's suggestion, thanks!

Reduce PDF size

Lookup errno defintions
Calls the POSIX strerror() function to look up the meaning of integer ERRNOs set by some functions.

For when GUI programs stop responding..
man xkill

Shows what an RPM was compiled with.
\n Separates out the architectures on different lines.

Smart renaming
Use 'mmv' for mass renames. The globbing syntax is intuitive.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"


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