JJJanith Jayasingheinoracletechinsights.hashnode.dev·10h ago · 15 min readConfiguring Palo Alto as a Perimeter Firewall in Oracle Cloud Infrastructure (OCI)Introduction When deploying enterprise applications in Oracle Cloud Infrastructure (OCI), securing network traffic is one of the most important aspects of infrastructure design. A typical OCI environm00
ASAsep Sayyadinasepsayyad007.hashnode.dev·11h ago · 19 min readHunting the Ghost in the Machine: Why Our Linux Servers Kept Spiking to 100% CPU (And Why the Monitoring Script Was Lying)A deep dive into CPU delta calculations, isolated Docker metric samplers, and disabling rogue systemd timers. The Telegram notification arrived at 03:14 AM. ALERT: [prod-app-02] CPU utilization is a00
DEDiwakar Exeintechspades.hashnode.dev·2d ago · 7 min readCloud Migration Solutions and Cloud Migration Managed Services: Simplifying Your Cloud Journey Businesses are increasingly adopting cloud technology to modernize applications, improve scalability, and simplify IT operations. However, moving applications, databases, and infrastructure to the clo01V
JSJayesh Sojitrainjayesh-sojitra.hashnode.dev·3d ago · 4 min readSecrets Manager vs Environment Variables: What's Actually Safer"Don't put secrets in environment variables" gets repeated a lot, usually without the reasoning. The more useful version is about three properties of any secret: where it's stored, who and what can re00
RRRahul Rinrahul-dataeng.hashnode.dev·Oct 9 · 8 min readStop Hardcoding API Keys: A Practical Guide to Fetching Secrets from HashiCorp VaultHave you ever stored a database password or API key directly in your application code just to get something working? I think many developers have done something similar while learning or building a qu00
SSShraddha Shindeinstornox.hashnode.dev·Oct 9 · 8 min readImmutable Storage and Ransomware Recovery: Why Backup Protection Needs More Than a Copy?Ransomware protection is often discussed in terms of prevention: endpoint security, firewalls, access controls, threat detection and employee awareness. But there is another question that businesses n00
GEGeorge Ezejioforingeorgeezejiofor.com·Oct 6 · 21 min readRKE2 Homelab Storage: Rook-Ceph & CloudNativePG (The Garage & Cabinets )Episode 5 of the homelab build series. Terraform poured the foundation, Ansible and RKE2 framed the walls, Kyverno and friends wired the alarms, and Tekton and Harbor built the workshop out back. This00
LSlogixer searchinlogixer.hashnode.dev·Oct 7 · 12 min readHow to Audit Microsoft 365 Guest Access Before It Becomes a Security RiskA user can invite a contractor to a Microsoft Team, share a document from SharePoint or grant a consultant access to a business application. This flexibility improves productivity, but it can also cre00
MGMario Gongorainblog.leastprivilege.cloud·Oct 5 · 4 min readAWS Well-Architected Agent: Don't Leave the Context EmptyI created a Well-Architected Agent profile from the console. Three accounts, four pillars, one goal per pillar. The API said the profile was eligible for recommendations. Everything looked fine. Then 01I
RSRobin Sishodiainsishodiarobin.hashnode.dev·Oct 3 · 3 min readAWS IAM Explained: Users, Groups, Roles and Policies for BeginnersAlmost every AWS problem I've debugged as a beginner came back to one thing: permissions. AWS Identity and Access Management (IAM) decides who can do what in your account, so it's worth understanding 00