Commands by khiladi344 (0)

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Netstat Connection Check
This command does a tally of concurrent active connections from single IPs and prints out those IPs that have the most active concurrent connections. VERY useful in determining the source of a DoS or DDoS attack.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Shows users and 'virtual users' on your a unix-type system
Shows a list of users that currently running processes are executing as. YMMV regarding ps and it's many variants. For example, you might need: $ ps -axgu | cut -f1 -d' ' | sort -u

Show numerical values for each of the 256 colors in ZSH
This will show a numerical value for each of the 256 colors in ZSH. Everything in the command is a ZSH builtin, so it should run on any platform where ZSH is installed. Prints one color per line. If someone is interested in formatting the output, paste the alternative.

A function to find the newest file in a directory

Retrieve "last modified" timestamp of web resource in UTC seconds
This command line assumes that "${url}" is the URL of the web resource. It can be useful to check the "freshness" of a download URL before a GET request.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Convert mysql database from latin1 to utf8
MySQL: CHARSET from latin1 to utf8

diff output of two commands
This only works in bash

awk change field separator
GNU Awk 3.1.4

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