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Archive of entries posted on December 2009

Convert Linux Software RAID1 to RAID5

Update 2012/03/26: There has been some interesting discussion in the comments below regarding whether this process would work with newer version of the linux MD metadata.  Please read and be careful! So I came across an interesting dilemma today;  I needed to expand a Linux Software-RAID volume for a client.  Now conventional wisdom will tell […]

Tab Auto-completion in Ubuntu Server

Just a quick one today.  After installing the latest edition of Ubuntu 9.10 into a virtual machine I discovered that tab auto-completion was missing for apt-get and most other more advanced forms of the useful time saver.  After a whole lot of searching on the topic, I found in an Ubuntu Launchpad bug fix thread […]

SNTP time sync on Cisco Aironet 1242

So I was having trouble figuring out how to enable time synchronization on my Cisco Aironet 1242.  With any normal router or switch I would normally just run the following config level command (assuming is a reliable NTP source): router(config)#ntp server However, when I tried this on the Aironet, I had no such […]

Upgrade IOS on Cisco Aironet 1242AG

I ran into some issues with my Cisco Aironet 1242AG and it was suggested I upgrade the IOS version.  However I could not find any instructions anywhere on how to actually update the IOS. So for future reference here we go. First of all, determine the name of your current image: aironet1#dir flash: Directory of […]


This is my personal tech blog which will over time contain guides, tips, how-to’s and other information that I wish to remember.  I intend it as a personal resource for me to store and retrieve information that I wont be using all that often, but that I would like to retain none the less.  If […]