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February 15, 2025
in debug, file, linux, shell, network
4 min read

Process, port, and file usages in Linux

Use lsof, fuser, ss, pgrep, pstree, ps, htop, etc. to find process, port and file usages in Linux.

May 5, 2024
in python, file, spark
1 min read

Convert json to parquet and send to Azure Blob Storage

Load a local json file into a PyArrow table, then write it to a parquet file in Azure Blob Storage without using pandas.

June 3, 2018
in python, file
2 min read

Converting Python json dict list to csv file in 2 lines of code by pandas

One of the fastest way to convert Python json dict list to csv file with only 2 lines of code by pandas.

May 26, 2018
in powershell, file
10 min read

Select-ColorString : A Unix's grep-like Powershell Cmdlet Based On Select-String With Color

Select-String with color, make Select-String of Powershell to highlight the search pattern like grep in Unix.