I'm Charles, and I'm into all things web, from front-end development to server administration. Currently working as a sysadmin.
Posts
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Banning Malicious Hosts Automatically with Fail2Ban on Ubuntu
August 10, 2025
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Step-by-Step SSH Guide: From Basic Connection to Secure Configuration
June 11, 2025
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Navigate Efficiently and Save Time with CDPATH
July 7, 2024
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The Joy of Never Reaching the Destination
January 19, 2024