744 Posts

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How to send an email with Telnet

Posted byby Curt Sahd
4 years ago
1 min

Sending a mail using the command prompt or terminal is possible with a Telnet client. Press Enter Press Enter Press Enter Press Enter Press Enter Press Enter Be sure to…

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Route certain domains via another relay

Posted byby Curt Sahd
4 years ago
2 min

Proxmox Mail Gateway (PMG) routes all mails via the locally assigned IP addresses by default. This is usually only 1 IP address. Should you want to send mails in a…

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How to create a WordPress child theme

Posted byby Curt Sahd
4 years ago
2 min

How to create a Wordpress child theme without a plugin

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How to remove “Powered by WordPress”

Posted byby Curt Sahd
4 years ago
1 min

Many WordPress themes come with “Powered by WordPress” or “Powered by theme name”. This text can be removed by opening the footer.php file in the current theme’s folder and deleting…

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How to speed up a slow Thunderbird

Posted byby Curt Sahd
4 years ago
1 min

If your Thunderbird has a lot of emails, you’ll notice that it slows down drastically and even basic navigation becomes a problem. There are a couple of tips to help…

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Postfix IP rotation for Proxmox Mail Gateway

Posted byby Curt Sahd
4 years ago
2 min

Proxmox Mail Gateway is a fantastic spam filtering solution. The trouble with relaying mail from a single IP address is that services like Gmail and Yahoo will quite quickly start…

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Enable Amazon S3 interface for Ceph inside Proxmox

Posted byby Curt Sahd
4 years ago
3 min

Enabling Ceph in Proxmox is a fantastic way to provide scalable and redundant storage for your VMs. Enabling the Amazon S3 interface for Ceph opens your storage up to third…

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CSS media queries for different screen sizes

Posted byby Curt Sahd
4 years ago
1 min

There are loads of articles on the media queries and it can sometimes be a bit of a mission to get one's hands on CSS required to target various screen…

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Find OSD serial in Ceph Proxmox

Posted byby Curt Sahd
4 years ago
1 min

The identification of an OSD / Disk serial number in Ceph is especially important in the event of disk failure. This can be achieved with a couple of commands: ceph-volume…

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Block WordPress Login and XMLRPC attacks for cPanel and DirectAdmin using CSF

Posted byby Curt Sahd
4 years ago
1 min

Any web hosting admin will tell you that a lot of server resources are wasted due to attacks on WordPress instances. A quick and effective solution is to create a…

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