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Check OPEN Ports in Linux [Like a PRO]
Use nmap, hping3 and netcat (nc) to check open ports in Linux. You can also use netcat to test firewall rules to make sure if a port is open or closed in a …
How to stop ICMP ping flood attack (DOS) on Linux
Prevent ping flood attack in Linux using iptables and firewalld for both IPv4 and IPv6. Apply hash limit to ICMP Echo request to control ping flood in Linux and …
Mount ConfigMap as file in existing directory - K8s
Mount ConfigMap as file into an existing directory in Kubernetes with and without helm charts. Mount files into an existing volume inside Pod container.
CPU, processors, core, threads - Explained in layman's terms
cpu socket, processor socket, core threads, socket vs core, lscpu command explained, how to check cpu cores, how to check cpu socket, linux cpu info, how to …
Kubernetes sidecar example | Create multi-container Pod
Kubernetes Sidecar container is just an additional container inside the same Pod. All containers inside the same pod will use the same namespace and will …