This article discussed the issues and solutions relating to restoring email backups relating to Dovecot and Thunderbird. The assumptions here are that a) you have file-level backups of the emails, and b) those emails are in “Maildir” format. It’s too late to recommend you do backups. I assume you have
Read moreCategory: All HowTo’s
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Migrate a VirtualBox Disk Image (.vdi) to a QEMU Image (.img)
A very simple task with the correct tool, the tool in question is qemu-img. This tool is pulled in when you install QEMU on Gentoo,Redhat and Ubuntu however on Redhat and Ubuntu there is a separate package for it also. On Gentoo if you only wanted qemu-img and nothing else
Read moreKVM Error – ioctl(KVM_CREATE_VM) failed: 16 Device or Resource busy
I ran into this error in the test lab today and figured I would document the cause. When you create a QEMU/KVM virtual machine using the command line virt-install or the graphical virtual machine manager you get an error similar to the following Error starting domain: internal error: process exited
Read moreA script to copy a user’s group membership in Bash
This is a very simple script to copy an existing user’s group membership to a new user. The new user will have thew same group membership as the original (copied) user. This is useful when a new employee comes along replacing an existing user and you (the sysadmin) are asked
Read moreFailed to write to disk Owncloud
After a fresh install of Owncloud you may get the following error after uploading a file larger than a couple of MB. “Failed to Write to Disk” This is a pretty quick and easy one to fix, it is just a setting in the php.ini file, for example on Gentoo
Read moreTesting SMTP from the CLI
This article will show two ways to test your SMTP server from the command line in Linux, these tests are very useful when setting up a new server and you just want to make sure you have it working before you continue on. Lets get started In this first example
Read moreResetting a forgotten Owncloud password
To reset a forgotten owncloud password (Including the admin account) you can do the following. As root on your server enter the following command replacing $USER with the username of the account sudo -u www-data php /var/www/html/owncloud/occ user:resetpassword $USER You will be prompted to enter a new password and then
Read moreQuick Bash Tip – Creating Test Files
Need some test files sure you could use the below method: touch file{“1″,”2″,”3”} But why do that when you could just let bash do the work for you and use the following: touch file{1..100} I don’t want blank files to test with, they need to have some data in them..
Read moreFreeing Space on Gentoo
Gentoo machines (and Linux boxes in general) have a very nice habit of living for a long time and needing constant maintenance, while this is great it also means that they can go for long periods of time without a clean up and can start chewing up space on your
Read moreAdd a New or Existing user to Multiple Groups using Ansible
There are several popular search results for this answer but they all skip the important part – and are incorrect as a result. — – hosts: all sudo: yes tasks: – user: name=myuser comment=”My User” groups=wheel,group1,group2 append=yes This is where they are (and likely you are) going wrong. The “groups”
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