cPanel® Blog

Category: Tips & Tricks

Dealing with InnoDB Corruption – Common Misconceptions

InnoDB, given its (relatively) recent change as the default engine of MySQL, can quickly take an unfamiliar administrator off-guard if they’re not aware of the way that InnoDB works behind the scenes. With that in mind, there’s a few key concepts you should probably be aware of if you’re working with any InnoDB tables – which, if you’re running MySQL 5.6+, you will at the very least have a few of MySQL’s system tables using …

Starting with Strace

What is strace? Strace is a “system call trace” program. It attaches to a process and tracks system calls and signals made to and from it (and possibly it’s children). There are limitations to strace, some of which are detailed below. However, strace can be a very valuable tool for determining the root cause of many issues. This post only covers very basic usage of strace. The example used here can be done using jailshell. …

Introducing EasyApache’s Optimal Profiles

We are happy to announce the upcoming release of a new Profile page that will make EasyApache quicker and easier to use. This new Profile page will include cPanel & WHM’s new Optimal Profiles. The purpose of the new profiles is to ensure that you will receive a safe and secure EasyApache build without having to access the Short or Exhaustive Options list. Each new Optimal Profile will include a selection of modules to match …

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 Otherwise, you may be depending on out-of-date or broken scripts to perform important service-related tasks on your server.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 …

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 …