adil·Jul 18, 2025The Magic Behind Docker-in-Docker (DinD)Docker-in-Docker (DinD) is a popular technique in CI/CD pipelines to enable containerized builds.
adil·Dec 11, 2024How to Setup Transit Gateway + Site to Site VPN and NAT Gateway?I have previously published two articles explaining the separate installation of Transit Gateway and IPSec.
adil·May 4, 2024Why use DNS ALIAS record instead of CNAME in the Cloud?Having a custom domain on top of a cloud resource is essential.A response icon8A response icon8
adil·Apr 28, 2024Two Network Interfaces on the Same Subnet: ARP Flux IssueIt might be necessary to utilize several network interfaces within a single subnet. Separating application traffic from replication traffic…A response icon1A response icon1
adil·Apr 26, 2024How to Rename enX0 to eth0 on Ubuntu/Debian?The interface name in the latest Ubuntu/Debian versions is determined by the hypervisor.
adil·Apr 13, 2024How to Mirror Traffic to Another Pod in Kubernetes?Mirroring network traffic in production has a lot of benefits, such as debugging, troubleshooting, testing, monitoring, etc.
adil·Apr 7, 2024How can an EC2 instance call itself via Internal NLB?Imagine that you have an application running on multiple EC2 instances.A response icon1A response icon1
adil·Mar 30, 2024How to fix conntrack: table full, dropping packets in Kubernetes?The Kubernetes network stack has many levels.A response icon1A response icon1
adil·Mar 17, 2024How to Develop a Firewall in C as a Linux Kernel Module?Part 1: Understanding Network Packets: IP Header, UDP Header Part 2: How To Use IPTables to Block a Specific DNS Request?
adil·Mar 12, 2024Understanding SPF and CNAME Records for EmailsSending email from a subdomain can be difficult. This can be more difficult if there is a CNAME on the subdomain.
