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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Installing PostgreSQL

PostgreSQL is an open-source database server similar (but different) than MySQL. cPanel has a built-in installer for setting up PostgreSQL easily. Keep in mind that the actual version of PostgreSQL you get depends on your OS version. For instance, CentOS 4 users will likely get version 7, CentOS 5 will get version 8. First, run…

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How to Change Your FTP Port

Lately FTP has been a problem for a lot of hosting providers. Especially since the recent influx of Gumblar-related attacks and FTP exploits, some hosting providers are now considering changing their FTP ports as an added measure of security. If you're on a cPanel server you have a couple extra steps to go through, but…

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