A Comprehensive Guide to Securing SSH on Ubuntu 22.04
July 23, 2023SSH (Secure Shell) is a widely used protocol for securely accessing remote servers. However, its popularity also makes it a target for potential attackers. T...
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[Errno 28] No space left on device - Updating VMWare ESXI 6.7
February 03, 2023When updating VMWare ESXI 6.7, which runs my homelab, I always get the error “[Errno 28] No space left on device”. But wait… There is enough space on the dis...
Verify if a media device or file is bootable
August 25, 2022To verify if a removable media (e.g. USB, DVD, or ISO) is bootable, you could use file tool on Linux systems. The command file -s /path/to/media reads block ...
I am CISSP Certified!
April 07, 2021I passed the CISSP exam in April 2021! Such a difficult exam! The exam is nothing like the practice tests you can find available for free or for purchase. Th...
2020 in Retrospection
January 04, 2021I took some training