RBRajesh Bindevrajesh.hashnode.dev·17h ago · 7 min readDay 90: Managing ACLs Using Ansible | 100 Days of DevOpsContent Today I worked on an Ansible automation task that involved creating files and configuring Access Control Lists (ACLs) on multiple application servers in the Stratos Datacenter. This task help00
AEAhmed El euchinahmedeleuch.hashnode.dev·1d ago · 16 min readHow I Built a Dual-Stack Enterprise Network and Demonstrated an IPv6 Hijack Attack (with Full Mitigation)I set up a full dual-stack enterprise network in GNS3, launched a silent IPv6 man-in-the-middle attack using nothing but a Python script — and then shut it down completely with a single switch policy.00
SBSoumyajit Bhattacharyainsoumyajit1216.hashnode.dev·2d ago · 4 min readBuilding Gunam: Why Modern Monitoring Should Work Offline FirstProblem Statement While working on kiosk software at Zuchiz, I realized that many production issues cannot be solved from the application layer alone. No matter how well an application is designed, it00
AAAyesha Abbasinayeshaabbas.hashnode.dev·1d ago · 1 min read5 Linux Commands Every Cybersecurity Student Must Knowbeginners00
HHugoinhugovalters.hashnode.dev·1d ago · 4 min readProxmox Network Configuration: Bridges, Bonds, and VLANsI once spent a Sunday afternoon restoring a client's 12-node Proxmox cluster because someone thought balance-rr on a single switch was a good idea. The switch's MAC table filled up in 47 seconds, the 00
HHugoinhugovalters.hashnode.dev·3d ago · 3 min readLock Down SSH: Configuring Two-Factor Authentication (2FA) with Google AuthenticatorSecure Your Server: Forcing 2FA on SSH Connections 🖼️ Image: 'Hacker trying to bypass SSH with Google Authenticator shield' available in the full article here Every single day, automated bots and b00
SSSailee Shingareinsaileeshingare.hashnode.dev·3d ago · 4 min readThe OSI Model Explained: A Beginner’s Guide to Network Layers The OSI Model Explained: A Beginner's Guide to Network Layers The OSI Model sounds like something only network engineers need to know. But it's actually a simple framework that explains how data moves00
SSangharshainnoob6t5.hashnode.dev·3d ago · 1 min read`ls` That Saved Me From Deleting Weeks of Work (AGAIN)I almost deleted 3 weeks of work coz I got a little too confident with a shell wildcard.I was cleaning up my recon workspace and wanted to remove a bunch of generated directories. rm -rf {reports,logs00
Aadrienclaireinshelldeck.hashnode.dev·3d ago · 3 min readI got tired of rebuilding every new workstation, so I built ShellDeckEvery developer or system administrator has their own "new machine" checklist. Mine looked something like this: Install Git Install PowerShell Install fzf Install bat Install eza Configure Stars00
AJAmit Joshiindevnation.joshisfitness.com·5d ago · 5 min readMutex vs SpinlockIntroduction Concurrency is everywhere inside the Linux kernel. Multiple threads, processes, softirqs, tasklets, and interrupt handlers can access the same shared data simultaneously. Without synchron30
