PGParsa Gheiratianinvexsx.hashnode.dev·2h ago · 26 min readDetecting Ceph LARGE_OMAP_OBJECTS Before Deep Scrub Finds ItLARGE_OMAP_OBJECTS has an annoying property: it tells you about a problem that started days ago. An RGW bucket index shard, a CephFS metadata object, or an application object built on librados grows p00
ASAsep Sayyadinasepsayyad007.hashnode.dev·2h ago · 20 min readYour Linux Server Has 65,000 Ports. How Many Are Actually Exposed?The hidden gap between listening sockets, binding interfaces, Docker NAT bypasses, and true perimeter exposure. You set up a new Linux server, configure UFW with a default deny policy, and feel confi00
AArdiansyahinardiansyahsulistyo.hashnode.dev·9h ago · 5 min readMy first-pass checklist for a fresh Ubuntu VPS before deploying an appWhen I deploy a small web app to a fresh Ubuntu VPS, getting the application running usually isn't the part I worry about most. The stuff that's easy to miss is the server baseline: how I log in, whic00
SCSherdil Cloudinsherdil-cloud.hashnode.dev·5h ago · 5 min readWhat Actually Changes When Idle Capacity Costs NothingTL;DR: The headline benefit of serverless isn't the architecture, it's the behavior change downstream of pay-per-execution billing: when an idle function costs literally nothing, nobody has to justify00
Vvaibhav-raut45invaibhav-cloud.hashnode.dev·9h ago · 3 min readWeek 1: Starting My Azure Cloud Engineer Journey — Linux & Networking FundamentalsHey folks! I'm Vaibhav Raut, a fresh B.E. graduate from 2026, and I'm officially starting my cloud learning journey. Completely new to this space. My goal: Become an Azure Cloud Engineer in the next 100
AArdiansyahinardiansyahsulistyo.hashnode.dev·8h ago · 7 min readMinimal monitoring: logs, disk, and uptime on a small Ubuntu VPSThis is the fifth and (for now) final post in a small series on baseline Ubuntu VPS setup before deploying web applications. The previous posts covered: Baseline server setup: non-root user, SSH keys00
AArdiansyahinardiansyahsulistyo.hashnode.dev·8h ago · 6 min readBackups that actually work: database & files on a small Ubuntu VPSThis is the fourth post in a small series on baseline Ubuntu VPS setup before deploying web applications. The previous posts covered: Baseline server setup: non-root user, SSH keys, firewall, automat00
AArdiansyahinardiansyahsulistyo.hashnode.dev·8h ago · 7 min readBackground jobs the simple way: Supervisor & cron for Laravel on Ubuntu VPSThis is the third post in a small series on baseline Ubuntu VPS setup before deploying web applications. The first two posts covered: Baseline server setup: non-root user, SSH keys, firewall, automat00
AArdiansyahinardiansyahsulistyo.hashnode.dev·9h ago · 5 min readServing a small web app: Nginx + PHP/Node on Ubuntu VPSThis is the second post in a small series on baseline Ubuntu VPS setup before deploying web applications. The first post covered the server baseline: non-root user, SSH keys, firewall, and automatic u00
Aakraminesparksit.hashnode.dev·11h ago · 12 min readCloud Migration UK: Strategy, Costs and Common RisksCloud migration uk projects succeed when they start with a clear business case, a complete view of application dependencies, and a migration plan matched to each workload. For UK businesses, the right23SSS
