Commands by DavidMapes (0)

  • bash: commands not found

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Start screen in detached mode
Start screen in detached mode, i.e., already running on background. The command is optional, but what is the purpose on start a blank screen process that way? It's useful when invoking from a script (I manage to run many wget downloads in parallel, for example).

count of files from each subfolder
Find the number of files from each folder

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"

Show Directories in the PATH Which does NOT Exist

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

Print today's date in ISO format without calling an external command (bash 4)

Convert a string to

Remove empty directories
You can also use, $ find . -depth -type d -exec rmdir {} \; 2>/dev/null

View details of network activity, malicious or otherwise within a port range.
View details of both TCP and UDP network activity within a specified port range.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.


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