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HowTo: Find Symlink under UNIX / Linux

by Vivek Gite on September 3, 2010 · 25 comments

How do I find symlink(s) under UNIX and Linux operating systems?

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Linux iptables: Port Redirection Example

by Vivek Gite on February 1, 2010 · 10 comments

How do I redirect 80 port to 8123 using iptables?

{ 10 comments }

Iptables: Invert IP, Protocol, Or Interface Test With !

by Vivek Gite on January 29, 2010 · 3 comments

How do I invert a protocol or ip address test while writing iptables based shell scripts?

{ 3 comments }

Awk Print Line After A Matching /regex/

by Vivek Gite on May 13, 2009 · 8 comments

How do I a print line after matching /regex/ using awk under Linux / UNIX operating systems? I’d like print the line immediately after a line that matches /regex/ but not the line that matches itself.

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Linux: Iptables Forward Multiple Ports

by Vivek Gite on April 13, 2009 · 0 comments

How do I forward multiple ports using Linux iptables based firewall?

{ 0 comments }

grep in Bash

by Vivek Gite on February 15, 2007 · 0 comments

How do I use grep command in Bash?

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