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system administrationHow to Install Ubuntu Desktop over Network Boot (PXE) using Pop!_OS
Learn how to set up a PXE server on Pop!_OS to install Ubuntu Desktop on client machines using UEFI network boot with dnsmasq and NFS.
system administrationSetting User-Level Disk Quotas in Linux: Complete Guide
Learn how to implement and manage user-level disk quotas in Linux systems, including quota setup, configuration, enforcement, and monitoring techniques for system administrators.
devopsMastering NFS in Linux: Setup, Mounting, Management & Troubleshooting
Learn how to configure Network File System (NFS) in Linux environments, including server setup, client mounting, persistent configurations, and common troubleshooting techniques.
devopsComplete Guide: Securely Connecting Apache Tomcat to MySQL with TLS 1.2 (VirtualBox Setup)
Learn how to establish a secure TLS 1.2 connection between Apache Tomcat and MySQL using Ubuntu VMs in VirtualBox, with step-by-step instructions for certificates, configuration, and testing.
securitySolving My First CTF Challenges on Pwnable.kr
A step-by-step walkthrough of my first experience solving capture the flag security challenges, focusing on file descriptors and hash collisions.
securitySetting Up a Two-Subnet Network with DHCP and Router using VirtualBox
A step-by-step walkthrough of my first experience solving capture the flag security challenges, focusing on file descriptors and hash collisions.