#ops.
11 posts filed under this topic.
- [wordpress]WordPress Malicious Process MitigationStep-by-step for an infected WordPress site: top to find the rogue process, lsof to locate the file, chmod 000 + chattr +i to neutralize it, then dig through cron and core.
- [linux]Linux process state codes explained: R, S, D, Z and more in ps and topWhat the STAT column in ps and the S column in top mean on Linux: every process state code (R, S, D, I, T, Z…), the extra flags like s, l and +, and how to find stuck and zombie processes.
- [linux]LDAP: All I need to know (WIP)What is LDAP and why it is used? LDAP stands for Lightweight Directory Access Protocol. It is a protocol used for accessing and managing directory information services over a network. A directory service is a centralized database that stores and manages information about users, devices, and…
- [linux]Run Command Linux as a Systemd ServiceMembuat service systemd untuk Node Exporter: menyiapkan binary, menulis unit file, reload daemon, dan mengaktifkan service saat boot.
- [linux]Ledmon: Blink your disk enclosureIntel's open-source ledmon lets you blink the LED on a specific drive in a server enclosure — handy when you need to physically locate a disk before pulling the wrong one.
- [kubernetes]Kubernetes: Connection RefusedTroubleshoot a kubeadm initialization failure caused by unhealthy kubelet cgroups, configure Docker to use systemd, and restart the services.
- [linux]SAR for LinuxSystem Activity Reports — using sar to investigate a sudden server crash. Where the data lives, how to generate plain-text reports, and a free chart tool to actually make sense of the numbers.
- [iac]Infrastructure as a CodeA casual chat with my co-mentor about HashiTalks and the HashiCorp stack — Packer, Vagrant, Terraform, Consul, Vault, Nomad, and friends. Notes-to-self for future deep dives.
- [apache]Apache2 deny rules: 2.2 vs 2.4 syntaxQuick reference for restricting access in Apache: the order/deny/allow syntax of 2.2 vs the Require syntax of 2.4 — almost the same problem, almost the same words, different config.
- [whmcs]WHMCS: Lost 2FA Password?When a WHMCS admin loses their 2FA backup codes, the rescue path is a single UPDATE query against tbladmins to clear authmodule and authdata.
- [elasticsearch]Curator: An Elastic CompanionWhy ES Curator silently refuses to delete old indices when they're managed by ILM — and the one-line fix (allow_ilm_indices: true) that gets it back to work.