Linux LVM – how to!

    I will run through some use cases for using LVM. I will begin by giving an easy-to-understand description of how LVM works. Followed by how to set up the first volume group and logical volume and I’ll end it with info on how to extend an existing partition using ext3, ext4 and XFS.… Continue reading Linux LVM – how to!

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Howto: APC UPS and Debian

So, I have a couple of NAS boxes and a laptop as server running at home. It’s all good until thunder appears. There are multiple risks with this. If the lightning strikes it can cause large surges of electricity that will destroy your equipment, if a power loss occurs it can cause the two RAID5… Continue reading Howto: APC UPS and Debian

Setting up OpenVPN server

Please read through the entire tutorial BEFORE doing anything. If you do not read through this you might end up with some unanswered questions on how to do something, that is actually described further down. Thanks. Test setup: XEN based VPS. 256 slice from Slicehost running Debian Lenny 64-bit Let’s get started! The first thin… Continue reading Setting up OpenVPN server

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Recover MySQL root password

Ever tried losing your MySQL root password, because you’re an idiot or a coworker changed it without documenting or telling? Well, within 10 minutes this can be fixed. This guide applies to Debian and probably others too. su – to root and perform the following. 1. Stop MySQL /etc/init.d/mysql stop 2. Start MySQL and skip… Continue reading Recover MySQL root password

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iPhone: Customize Carrier Logo

How to make a custom logo like this To use this guide you must have access to the filesystem. If you do not know how to do this, read this post. Go to installer.app Browse to Utilities and install “Make It Mine” Access the root filesystem and browse to /System/Library/CoreServices and then ctrl+click on “SpringBoard”… Continue reading iPhone: Customize Carrier Logo

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