Categories: Filing Systems, Logical Volume Manager LVM
20/03/10
07:49:58 am, by richard 
, 314 words 
Categories: Ubuntu Linux, OS and Systems Administration, Filing Systems, Installation and Configuration
HOWTO:Reinstall Grub2 on Ubuntu
You will, not might, need this at some point in time. It will happen to you. :) When you find that grub2 is no longer on your MBR so the system will not boot or even find grub. For example you installed Windows, dumb move, but heh! You may also have clo… more »
16/12/09
06:59:43 pm, by richard , 95 words
Categories: Ubuntu Linux, OS and Systems Administration, Filing Systems
HOWTO: Remove RAID Arrays
The filesytem should not be mounted.[khakisample pre="1"]sudo umount /dev/md0[/khakisample]Stop the array allowing us to remove thew array.[khakisample pre="1"]sudo mdadm --stop /dev/md0[/khakisample][khakisample pre="1"]sudo mdadm --remov… more »
Tags: raid, removing. initrd
06/12/09
03:23:24 pm, by richard , 1195 words
Categories: Ubuntu Linux, OS and Systems Administration, Filing Systems, Installation and Configuration
HOWTO: Expand a RAID 5 by adding another disk
So you already have a RAID 5 array and you want to make it bigger. You can either swap out each disk one at a time for a larger disk or simply add an new disk to the existing array. When I say simply there is a scary bit at the end. [redsample image=… more »
27/11/09
06:58:32 pm, by richard , 327 words
Categories: Ubuntu Linux, OS and Systems Administration, Network and Connectivity, Filing Systems, Installation and Configuration, Virtual Machines
HOWTO: Create a New VM with VirtualBox
This is how to create a VirtualBox machine when you what tot use the command line or you cannot access the GUI. We will create a machine that will have the following setup vbTest Ubuntu Linux 64bit 1Gb RAM 8Gb Hard drive 1 Netw… more »
30/08/09
11:17:16 am, by richard , 1744 words
Categories: Ubuntu Linux, OS and Systems Administration, Filing Systems, Installation and Configuration, Backing up AND Restoring
HOWTO: Setup apcupsd with an APC Back-UPS RS 800
Where I live, in the country :) I get one or two power fluctuations a month and a power failure two - three times a year for 5 to 30 minutes. So I decided to get a UPS so my Mail server would not go down and possibly get its file system corrupted by the… more »
