If you’ve been running a shared hosting environment for any length of time, you’ve probably had that conversation with a customer: “My WordPress site is slow.” You’ve optimized MySQL, tuned Apache, enabled OPcache—and yet the database queries keep piling up. Enter Redis. Redis is an in-memory data structure store that can dramatically reduce database load […]
Redis Integration Complete Guide for Multi-Tenant cPanel Read Post »
AutoSSL is one of cPanel’s most convenient features—automatically provisioning and renewing SSL certificates for every domain on your server. But if you’ve ever tried to get a wildcard certificate through AutoSSL, you’ve hit a wall. AutoSSL simply doesn’t support them. This isn’t an oversight. Wildcard certificates require DNS-based validation (DNS-01 challenge), and AutoSSL relies on
Wildcard SSL Workarounds for AutoSSL Using acme.sh Read Post »
Large Account Migration: When Transfer Tool Fails (rsync Hybrid Method) Every cPanel administrator eventually encounters it: the account that simply refuses to migrate. Whether it’s timing out at 80%, throwing cryptic errors, or hanging indefinitely, large account migrations can turn a routine server consolidation into a multi-day headache. Here’s the hybrid rsync approach I’ve refined
Large cPanel Account Migration: When Transfer Tool Fails Read Post »
When you manage email on a cPanel server, you eventually face the classic Exim bottleneck:one misbehaving domain can clog the queue and grind mail delivery to a halt for everyone else. Picture this: a compromised account starts blasting out spam, or a single domain’s messages are all soft-bouncing at Outlook or Yahoo. Suddenly, your
Per-Domain Mail Queues in Exim Read Post »
When new accounts are created in cPanel/WHM, the system automatically copies a set of default files from the skeleton directory into the user’s home directory. This mechanism is often overlooked, but with some creativity, it can become a powerful way to automate onboarding, enforce standards, and pre-deploy useful files. Where Is the Skeleton Directory?
Custom Skeleton Directory Tricks for cPanel Read Post »
Update! cPanel supports LetsEncrypt, but you just need to install the plugin for it to work. To do this, run: /scripts/install_lets_encrypt_autossl_provider Once installed, Let’s Encrypt will appear in WHM’s Manage AutoSSL interface (Home >> SSL/TLS >> Manage AutoSSL) where you can enable the provider. At the time of this writing, LetsEncrypt is in public beta
Installing LetsEncrypt SSL Certificates on CentOS + cPanel Servers Read Post »
CPanel allows you to install a shared SSL certificate for email services so your users can connect securely to POP, IMAP, and SMTP. The only real drawback here is that you can only natively use one certificate, which means your users should be connecting to the correct hostname under which the SSL certification is installed from
Configure Email Client Shows Wrong SSL Hostname Read Post »
On recent cPanel versions, rebuilding the Apache conf returns the following non-fatal error: root@savannah [~]# /scripts/rebuildhttpdconf info [rebuildhttpdconf] Missing owner for domain savannah.tcaserversolutions.com, force lookup to root Built /usr/local/apache/conf/httpd.conf OK The error does not adversely effect the way the httpd.conf file is built, but the presence of the unnecessary info message can be annoying.
Fix for “Missing owner for domain X, force lookup to root” Read Post »
There are some situations where you may need to set up multiple shared IP addresses on a server. Some reasons may include grouping accounts per IP or lowering the effect of DDoS attacks if it becomes necessary to block traffic to a specific interface. Whatever the reason, multiple shared IP addresses on a cPanel server
How to Set up Multiple Shared IPs on a cPanel Server Read Post »
