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Phil's Blog

The thoughts and ramblings of an Engineer

Month: December 2017

31 December, 2017 Blog

Proxmox: Shrinking disk of an LVM backed container

First, shut down the container and ensure it’s not running. List out the LVM logical volumes: Choose the disk you

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29 December, 2017 Blog

Proxmox Containers: Manage network interfaces file yourself

Proxmox will manage the network interfaces file (/etc/network/interfaces on Debian) for you, on containers. This is sometimes annoying – for

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28 December, 2017 Blog

Hetzner: Routing IPv6 through a firewall such as pfSense

Hetzner offer very well specified physical servers at extremely low prices. I’ve used them for many years and they’ve proved

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26 December, 2017 Blog

Postfix: Blocking senders by reverse DNS hostname

Postfix has an option for smtpd_recipient_restrictions called check_client_access. According to the Postfix manual, this: You can use it to block specific domains, as

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