vps
78 posts
Change Your VPS Hostname in WHM Without Breaking SSL or Mail
Changing a server's hostname sounds like a two-minute job — type a new name into WHM, hit save, done. In practice it's one of the few VPS changes that ca…
Fix Nginx "Upstream Sent Too Big Header" Errors
You log into wp-admin and instead of the dashboard, you get a blank page, a 502, or a connection reset — but only after logging in. The front end of the …
VPS Lost Network Connectivity After Reboot? Fix Netplan
You rebooted the VPS — maybe after a kernel update, maybe just routine maintenance — and now SSH won't connect. No timeout after a long wait, just an immediate…
Set Up Memcached for WordPress Object Caching on a VPS
If Redis isn't available on your stack, or you're running an older LAMP setup where Memcached is already the default, you can still get the same win: cutting r…
Fix Cloudflare Error 525 & 526: SSL Handshake Failed
If your domain sits behind Cloudflare's orange cloud, you've probably already made peace with the occasional 5xx error page. But 525 and 526 are a different an…
Fix ERR_CONNECTION_REFUSED & ERR_CONNECTION_TIMED_OUT on a VPS
You type in your domain and instead of your site loading, Chrome throws ERR_CONNECTION_REFUSED or ERR_CONNECTION_TIMED_OUT — no page, no error message from you…
Add Google Authenticator 2FA to SSH Login on Your VPS
SSH keys are the right way to log into a VPS — nobody's arguing that. But a key is still just a file, and files leak. A stolen laptop, a malware infectio…
Fix 'Unable to Get Local Issuer Certificate' SSL Errors on a VPS
Your site loads perfectly in Chrome, the padlock's green, nobody's complaining — and then you run a curl command on the same server and get slapped with …
Automate MySQL/MariaDB Backups on a VPS with Cron
If you're relying on your VPS provider's nightly snapshot as your only backup, you've got a single point of failure. Snapshots protect against a bad update or …
PHP-FPM pm.max_children: Stop 502s When Traffic Spikes
Your WordPress or Laravel site runs fine at normal traffic, then a campaign email goes out, or a post gets shared somewhere, and suddenly half your visitors se…