Increasing the Size of tmpDSK (/tmp)

You may have noticed that cPanel’s default partition size for /tmp is 512 MB, which in some cases can be way too small. The /tmp partition on cPanel servers, assuming it was the one cPanel created and not one you did yourself, is a file-based partition that can easily be resized.…

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Statistics Management

One of the more important features to customers is the ability to view and analyze their web traffic. CPanel offers three statistics programs for end users to view their stats, all of which are free and open source: Analog AwStats Webalizer Configuring Stats In WHM, go to Statistics Software Configuration and select which statistics programs…

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Opening an Additional Exim Port

When I was in technical support, I got at least a dozen or more calls a week about clients who couldn’t send email, but had no problem receiving. When incoming mail works fine but the client can’t connect to the SMTP server, 99.9999% of the time it’s being caused by the ISP blocking remote SMTP/port…

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cPanel Command Line DNS and Cluster Management

DNS clustering is part of setting up a server environment. cPanel has built-in support for DNS clustering to make it easy to deploy centralized nameservers, or have multiple nameservers receive DNS zone updates from one server. This article will help you understand setting up and managing a DNS cluster from command line. Setting up a…

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aquota.user: Permission denied

This error has been bugging me for over a year now: touch: cannot touch `/aquota.user’: Permission denied This generally occurs when performing any function where the quota system is being modified, such as changing an account’s quota, suspending/unsuspended an account, or running one of cPanel’s quota scripts. First, check the permissions of /aquota.user (or the…

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10 Free Monitoring Solutions to Consider

Server and network monitoring can be crucial to a host’s success. I mean, how embarrassing is it when your customers are aware of downtime before you are? You don’t have to pay big bucks or spend loads of time setting up monitoring for your server. We’ve compiled a list of free monitoring solutions you can use to guarantee minimal downtime for your users, and show customers how reliable your service is!…

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Changing Exim’s Sending IP

Anyone running a shared hosting server is probably now accustomed to dealing with constant complaints about blacklisting. It’s exim’s default setup on a cPanel server to use the shared IP of the server to send email, which means that all your clients on one server are sending out email on the same IP.  All it…

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