Commands by casechen

Commands by casechen (1)

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Check the connection of the maximum number of IP

Check the connection of the maximum number of IP Show Sample Output
This is sample output - yours may be different.
```
      2 10.177.137.104
      2 10.139.17.154
      1 10.219.144.207
      1 10.137.2.204
      1 10.137.138.17
      1 10.130.0.238
```
0

netstat -na | grep ESTABLISHED | awk '{print$5}' | awk -F : '{print$1}' | sort | uniq -c | sort -r

casechen · 2017-03-26 12:12:09 17

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Recursive search and replace (with bash only)

Replaces a string matching a pattern in one or several files found recursively in a particular folder.

Install pip with Proxy

Installs pip packages defining a proxy

Get a qrcode for a given string

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

quickly formats a fat partition. usefull for flash drives

Say something out loud

Whatever arguments you pass will be spoken out loud. (Put it in a script or shell function.)

Install pip with Proxy

Installs pip packages defining a proxy

Monitor system load and print out top offending processes

This checks the system load every second and if it's over a certain threshold (.8 in this example), it spits out the date, system loads and top 4 processes sorted by CPU. Additionally, the \a in the first echo creates an audible bell.

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"

get header and footer of file for use with scalpel file carving

file carving helps if you know where the file you are looking for starts and ends. It's also an easy way to get data and catalog them for future use with forensic tools like scalpel.

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