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The Guide

cPanel guides

Back up, test and operate your cPanel hosting account with confidence.

cPanel makes routine work easy, but a backup that stays on the same account is not a real backup. These guides cover downloading full backups, creating isolated test databases and the small habits that prevent big incidents.

23 articles

Three cPanel account resource panels, with the middle account highlighted for unusually high usage.
cPanel · 5 min

Find the cPanel account consuming excessive CPU, memory or disk I/O

Smiley Hoster Team · November 10, 2026
Source and destination servers are linked by a transfer and web, SQL, mail and DNS checks.
cPanel · 3 min

Migrate a cPanel/WHM server with a verified cutover

Smiley Hoster Team · November 9, 2026
Separate gauges represent CPU, memory, I/O and concurrency limits.
cPanel · 3 min

Set CloudLinux limits for cPanel packages with a pilot test

Smiley Hoster Team · November 8, 2026
Shield protecting WHM, paired with an administrator key and a separate recovery route.
cPanel · 5 min

Harden WHM and cPanel without locking administrators out

Smiley Hoster Team · November 7, 2026
A message branches into deferred, rejected and accepted outcomes.
cPanel · 3 min

Diagnose Gmail and Outlook delivery failures from cPanel

Smiley Hoster Team · November 6, 2026
A readiness checklist covers access, services, network and final validation.
cPanel · 3 min

Harden a new cPanel/WHM server before onboarding clients

Smiley Hoster Team · November 5, 2026
Migration timeline between two servers showing copying, testing, write freeze and cutover.
cPanel · 6 min

Migrate multiple cPanel accounts with a controlled WHM cutover

Smiley Hoster Team · November 4, 2026
IPv4 and IPv6 paths are compared before certificate validation.
cPanel · 3 min

Resolve an AutoSSL validation failure in cPanel/WHM

Smiley Hoster Team · November 3, 2026
One cPanel account linked to process, database and traffic evidence.
cPanel · 3 min

Find the cPanel account behind a resource spike

Smiley Hoster Team · November 2, 2026
Certificate validation flow through DNS, domain control and certificate issuance, highlighting a DNS checkpoint.
cPanel · 5 min

Fix cPanel AutoSSL failures, excluded domains and renewal problems

Smiley Hoster Team · November 1, 2026
A three-step sequence shows SQL capture, grouping and a controlled test.
cPanel · 3 min

Capture slow MySQL queries on a cPanel server

Smiley Hoster Team · October 31, 2026
Memory budget divided between the operating system, MySQL and differently sized PHP pools.
cPanel · 5 min

Size PHP-FPM pools in WHM MultiPHP Manager without exhausting memory

Smiley Hoster Team · October 30, 2026
CPU, RAM and disk cards lead to the service that needs investigation.
cPanel · 3 min

Diagnose high load on a cPanel/WHM server

Smiley Hoster Team · October 29, 2026
Diagnostic dashboard linking CPU, disk, PHP and database checks to a latency chart.
cPanel · 5 min

Diagnose a slow cPanel server before tuning CPU, disk, PHP or MySQL

Smiley Hoster Team · October 28, 2026
Three bars of different lengths accompany a magnifying glass over disk usage.
cPanel · 2 min

Find what uses your account's disk space in cPanel

Smiley Hoster Team · October 21, 2026
A clock accompanies three steps: command, interval and result.
cPanel · 2 min

Set up a cron job you can verify in cPanel

Smiley Hoster Team · October 20, 2026
Two cards map a live website and a test website to separate directories.
cPanel · 2 min

Check a domain's document root before uploading in cPanel

Smiley Hoster Team · October 19, 2026
Three connected cards show recording the setup, testing PHP and deciding.
cPanel · 2 min

Test a PHP version on one domain with cPanel

Smiley Hoster Team · October 17, 2026
A three-stage path from the ModSecurity package through rule validation to Apache website checks.
cPanel · 6 min

ModSecurity 2.9.15 in EasyApache 4: apply CVE fixes and validate Apache rules

Smiley Hoster Team · October 14, 2026
Three connected cards show project requirements, cPanel tools and a technical fit check.
cPanel · 2 min

Check whether a cPanel hosting account fits your application

Smiley Hoster Team · October 8, 2026
A request and a log entry are connected through a matching timestamp.
cPanel · 2 min

Match a website error to its log entry in cPanel

Smiley Hoster Team · September 29, 2026
A test user connects to a dedicated database, separate from production.
cPanel · 6 min

Create a dedicated test database in cPanel

Smiley Hoster Team · September 23, 2026
An archive moves from the hosting account to separate private storage.
cPanel · 4 min

Download a full cPanel backup outside your hosting account

Smiley Hoster Team · September 23, 2026
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