cPanel® Blog

Category: Tips & Tricks

Removed Scripts in cPanel & WHM Version 11.42

All good things must come to an end. In version 11.42, we will remove several deprecated service update scripts from cPanel & WHM. These scripts have been deprecated since version 11.36. Because of this, system administrators should make certain that they have already updated any cronjobs or other dependencies that might include them. Otherwise, you may be depending on out-of-date or broken scripts to perform important service-related tasks on your server. What’s the difference between deprecated …

Upgrades in cPanel & WHM Version 11.40 and Beyond

Understanding our upgrade process will help you keep your servers up-to-date with the level of stability that you need. In cPanel & WHM version 11.40, we have added a few new changes to how upgrades work, to help make the transition between major versions better for everyone. How do upgrades work? Before an upgrade takes place, compatibility checks are performed for the target version. If any blockers are found, the upgrade exits and leaves the system …

Part 3: How I Built a cPanel Hosting Environment on Amazon AWS

In Part 2 of this series, we discussed selecting and launching a new Amazon Machine Instance (AMI), creating and configuring that instance to serve as a dedicated name server, and worked through configuring a DNS Cluster for use within your subnet. Today, we will launch and configure a standard Web Server instance using cPanel 11.39 or newer. I will discuss how to join the new instance to our existing DNS Cluster and how to ensure that …

Part 2: How I Built a cPanel Hosting Environment on Amazon AWS

In Part 1 of this four part series, we discussed establishing your VPC, creating and configuring your small subnet, and worked through configuring the Security Groups for our two instance types (‘NS_SG‘ and ‘VS_SG‘). Today, we work on launching a two new instances, running cPanel DNSONLY, into our VPC and configuring these to be the primary and secondary DNS resolvers for our environment. While this series is written with the assumption of using dedicated …

Part 1: How I Built a cPanel Hosting Environment on Amazon AWS

People argue for and against building a production hosting environment on top of cloud services such as Amazon’s AWS. I recently made the decision to migrate my entire hosting infrastructure from co-located dedicated hardware to a full implementation built entirely on top of Amazon’s Web Services. I will be releasing a four part series detailing the tricks I’ve learned in my own migration to AWS and walking you through setting up your own …

SSL Improvements for cPanel & WHM

The internet is brimming with online stores, merchant gateways, and more e-commerce solutions than you can shake a stick at. With such a quickly growing market, the ability to securely communicate across a network became a necessity. Technologies, like SSL and TLS for example, have stepped up to fill this ever growing requirement. …

Open Resolver Handling with Bind on CentOS 5.x cannot Update to 9.7[Workaround][Old]

Edit: This information is old and may longer be relevant. An open resolver is a DNS server, which will allow a recursive query of an arbitrary domain from any IP address. An open resolver can be used in a reflection DDoS. Only Subnets controlled by the organization should be allowed to conduct recursive queries on a DNS server. [1] The problem is bind comes from Red Hat, which has locked the 5.x version to the …

Backup Improvements for cPanel & WHM

Backups are a crucial part of any hosting plan. The panic and worry of a site crashing can keep a website owner up at night. For many people, a website is more than a digital presence, a website is means of survival. Whether their site sells widgets or is ad sponsored, losing data …

How to replace MySQL with Percona in 11.36

Important: This setup is considered to be unsupported by the cPanel/WHM team. Please note that once cPanel/WHM no longer maintains MySQL on your system it is on the Systems Administrator to manage and maintain any updates and maintenance on the database software.  We recommend only experienced systems administrators perform the above and we are not responsible for any possible data loss. Below you will find some steps on how to affectively stop cPanel/WHM from …

On to Capitol Hill

2/26/13 Houston, TX- cPanel and Capitol Hill Local software company, cPanel Inc., will be taking part in the first Internet Advocacy Day, Wednesday, February 27, 2013, on Capitol Hill. cPanel will be represented by their Vice President of Operations, and Internet Infrastructure Coalition board member, Aaron Phillips.  …