Why your logs suddenly show 192.168.255.x — and how to fix it properly When everything sits behind Cloudflare, real-IP handling in Nginx is usually straightforward, trust Cloudflare’s IP ranges, read CF-Connecting-IP, and $remote_addr becomes the actual visitor’s address. That simplicity disappears the moment you introduce a Linode NodeBalancer in front of your server. Suddenly your… Continue reading
When you increase a Linode Block Storage volume’s size in the Cloud Manager, the added capacity doesn’t automatically appear inside your Linux system. You need to let the kernel detect the change and then expand the filesystem so it can use the new space. Previously I create article by umount firts, this one no need… Continue reading
Some days, the world feels like one long notification. Social feeds are noisy, group chats never really sleep, and every app is trying to win a small piece of your attention. In the middle of all that, there’s something strangely calming about a blank terminal window. That was exactly the feeling when I decided to… Continue reading
Ada film yang tidak hanya ditonton, tapi dirasakan. Contact (1997) adalah salah satunya. Sejak menit pertama, film ini seperti menurunkan volume dunia. Rasanya seperti semesta sedang berkata, “sebentar… dengarkan dulu.” Dibintangi Jodie Foster dan dibangun dari ide-ide besar Carl Sagan, Contact bukan sekadar film atau novel fiksi ilmiah. Ia lebih seperti surat cinta kepada rasa… Continue reading
It started as something simple. I wanted to connect to one of my sandbox servers, just a temporary environment for testing some code and running quick database experiments. I didn’t want to bother setting up a WireGuard tunnel or a private VPN, so I took a shortcut. I used Surfshark, a public VPN service that… Continue reading
There are many ways to move a PostgreSQL database between servers, but for a production-grade setup,where roles already exist and you simply want to migrate one database cleanly, the safest path is to create the target database first and restore into it. This approach keeps ownerships and permissions consistent, avoids overwriting roles, and works perfectly… Continue reading
A few days after setting up my simple firewall with ferm on Debian 12, everything seemed perfect. The host was quiet, the rules were clean, and I finally had a minimal setup that did exactly what I wanted, blocking everything inbound, keeping outbound open, and allowing SSH only from the local LAN. It worked flawlessly,… Continue reading
Pada bulan November 2019, tepat enam tahun yang lalu, saya akhirnya benar-benar melangkah keluar dari gerbang sebuah perusahaan besar yang sudah menjadi bagian hidup saya selama hampir separuh usia produktif.
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There are many ways to configure a firewall in Linux. Some people prefer ufw, others go straight to iptables or nftables. But in between those layers of complexity, there’s a small, quiet tool that often goes unnoticed: Ferm, For Easy Rule Making. The name says it all. I like Ferm because it doesn’t try to… Continue reading
Kadang rasanya dunia ini makin ramai tapi makin kosong. Timeline penuh debat, grup WhatsApp riuh oleh broadcast separuh benar, dan semua orang merasa punya tugas mulia menyelamatkan dunia, asal versinya sendiri. Kita hidup di era di mana algoritma lebih peka dari nurani, dan “kebenaran” bergantung pada siapa yang paling keras berteriak. Di tengah semua kebisingan… Continue reading