Tag Archives: RTFM

TCP/IP: SYN flood attack on the RTFM server, and “Hacker News hug of death”
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2 January 2026

Got an alert from the monitoring system this morning, indicating that the blog is down: Well, I thought: another one DDoS, not the first time. Investigating the issue I went to the Cloudflare admin, enabled the Under Attack Mode, and started the investigation. Checked the requests: I think, okay, it’s simple – requests are coming… Read More: TCP/IP: SYN flood attack on the RTFM server, and “Hacker… »

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Cloudflare: speed up WordPress with Automatic Platform Optimization plugin
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30 March 2022

The rtfm.co.ua blog is quite slow for users. For example, you can test your website using the https://gtmetrix.com: 4.3 seconds till full load! That’s awful. At the bottom of the results, you can check top of issues on a site: At first, the page size is 1.16 MB, which is big enough. The second thing… Read More: Cloudflare: speed up WordPress with Automatic Platform Optimization plugin0 (0) »

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Linux: LEMP set up – NGINX, PHP, MySQL, SSL, monitoring, logs, and a WordPress blog migration
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6 November 2020

Finally got time to migrate the RTFM.CO.UA blog to a new server with Debian 10. This time manually, without any automation will set up a LEMP stack Wrote a similar at 2016 – Debian: установка LEMP — NGINX + PHP-FPM + MariaDB (Rus), but in time the post is more complete of the process and… Read More: Linux: LEMP set up – NGINX, PHP, MySQL, SSL, monitoring,… »

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Prometheus: RTFM blog monitoring set up with Ansible – Grafana, Loki, and promtail
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10 March 2019

After implementing the Loki system on my job’s project – I decided to add it for myself, so see my RTFM blog server’s logs. Also – want to add the node_exporter and alertmanager, to be notified about high disk usage. In this post, I’ll describe the Prometheus, node_exporter, Grafana, Loki, and promtail set up process… Read More: Prometheus: RTFM blog monitoring set up with Ansible – Grafana,… »

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