Servers and infrastructure

Linux servers, web servers, email servers, networking and DNS: the stack that runs under your hosting control panel.

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General server and hosting questions that don't fit another section. Describe your setup and get help from other admins.

1thr2pst

Linux server administration: Ubuntu, Debian, AlmaLinux and Rocky. Services, systemd, users, updates and troubleshooting.

3thr3pst

Ubuntu 26.10 Security Cha...
10-07-2026, 07:20 PM
by DEV

Nginx, Apache and OpenLiteSpeed help: virtual hosts, rewrite rules, reverse proxies, SSL certificates and HTTP errors.

1thr1pst

How to Fix Nginx 502 Bad ...
10-07-2026, 05:51 PM
by DEV

Email server help: Postfix, Dovecot, SPF, DKIM, DMARC, blacklists and deliverability, so your mail lands in the inbox.

0thr0pst

Networking and DNS help: DNS records, nameservers, firewalls, ports, reverse proxies, Cloudflare and connectivity problems.

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Cloudflare

2thr2pst

Add a Domain to Cloudflar...
10-10-2026, 05:54 PM
by DEV

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