Error: Invalid command ‘SSLEngine’, perhaps misspelled or defined by a module not included in the server configuration

XAMPP is a helpful development tool. However, you may run into problems at some point, such as receiving the notification: “Apache shutdown unexpectedly”. This error might seem to come out of nowhere, so identifying the cause – let alone the solution – can be puzzling. See how Kinsta stacks up against the competition. Fortunately, there is a…

Listing sizes in AWS S3 Buckets Getting the whole bucket size aws s3 ls s3://$BUCKETNAME/ –recursive –human-readable –summarize | tail -n2 Tail is used because otherwise all files will be printed on screen (but you may want that for some reason). Getting the size of a specific directory/file You just need to add the path…

While the mailserver generally requires little interaction for those sending or receiving average volumes of email, there may be times when you wish to manage Exim’s settings. To do so, first log in to your server in a terminal client using secure shell (SSH). Use the following commands to work with Exim. Display the number…

I noticed that on my CentOS 6 box, I was still running nginx 1.0.15. I wanted to upgrade to nginx 1.10.1. However, when I ran sudo yum update nginx, it showed that there were no Packages marked for Update. Luckily, getting the latest version through Yum is straight-forward and only requires adding a new repo….

How to automatically clean up /tmp directory contents in Linux?   Every Linux system has a directory called /tmp which has mounted with separate file system. It has special filesystem called tmpfs. It’s a virtual filesystem and operating system will automatically mount /tmp mount point while system booting. If you want to mount /tmp directory separately as…

If you’ve ever gone in to a directory, for example a mail or log directory, and wanted to clear it of its contents, but faced an error like this: /bin/rm: cannot execute [Argument list too long] We have a solution for you. It’s nice and simple, and easy to remember. Paste and run the command…