RimuHosting Blog

  • DKIM and subaddressing added to 25mail.st

    We have added a couple of features to the 25mail.st service. First, we now support DKIM email signing. This lets our email servers sign outgoing messages so that recipients can verify that the email was sent from an authorized server. You will need to add a DNS entry for each email domain wishing to have…

  • Whitelist your own computer in fail2ban

    Fail2ban is a great “dynamic” firewall for servers that is installed by default on many of our VPSs, and we can install it on your VPSs at your request. It protects against brute-force attacks, where an attacker is trying to guess a password or exploit certain classes of vulnerabilities on servers. One potential problem with…

  • Lets Encrypt with Virtualmin

    Virtualmin now supports Let Encrypt, this means you can easily get multiple SSL certificates easily and free if needed. Here is how you can set that up. Step 1: Login to your virtualmin, select the domain from the drop down in the top left. Step 2: Click ‘Edit Virtual Server’ , under the ‘Enabled Features’…

  • ClamAV: mpool_malloc and disk space

    ClamAV is an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats. The most common use we see is to check emails for bad content. Some of our users have recently been seeing errors from “freshclam” processes that look like the below entry. These will occur quickly and will often cause…

  • Using Fail2ban on wordpress wp-login.php and xmlrpc.php

    A fair few customer of ours use wordpress and occasionally notice that there are people hammering on a few URLs This can cause high load, slow websites and a number of issues, espoecuially when you have more than a single IP hammering away at that. The solution is simple, and it involves using fail2ban. Here…

  • Using Ansible to manage your VPSs – Part Two

    In this post I’m going to introduce playbooks, and show you how to customise the /etc/resolv.conf file on each server.  I assume you have followed Part One of this series and have created a hosts file and files in ~/myansible/host_vars/. Tasks, playbooks, groups and roles A note on terminology.  A task is something done on…

  • Using Ansible to manage your VPSs – Part One

    Ansible is a system to automate the updating of server configurations and other administration tasks.  In this post I’ll explain what’s necessary to get started with Ansible, creating a configuration structure, telling Ansble about your hosts and running ad-hock commands on multiple hosts. Ansible is useful when you have 3 or more VPSs and need…

  • New options for reduced VM pricing!

    Not every server needs priority CPU, backups, and 24×7 fully managed support.  We have added a few options on our http://launchtimevps.com ordering interface to let you tweak these settings to enable you to get a lower price for your server if that is appropriate. Option to enable/disable backups.  Less disk space usage costs less. Select…

  • LXD containers now available for Ubuntu

    The latest Ubuntu LTS release, Xenial 16.04 , comes with support for a container system called LXD.  LXD builds on the existing LXC container system, allowing for more convenient management of those containers. In this post I show how you can test out LXD containers on a Rimu VPS running Ubuntu 16.04.  I assume you…

  • How to get an A pass SSL rating for your SSL website

    Everyone wants security, and its ideal that your SSL certificates are also secure. With this in mind, websites like SSLLabs have a testing tool that is used to grade the SSL certificate installed on your server. Often people get a low ranking when its fairly easy to get an A. I could make this post…

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