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Archive for 'Linux'

Every cloud has a Linux lining

The last few days I’ve spent playing with Eucalyptus - the open source EC2 equivalent.
Several times I’ve been tearing my hair out - particularly with some image issues (why oh why can’t it use an external database rather than the noddy internal one - that way when it’s confused I can fix it up more [...]

udev rules for Logitech G7 mouse

Recently, X.Org has been removing HAL from the requirement list. This is good except that it means reconfiguring things. Again.
I have a Logitech G7 mouse and it has a side button which defaults to “back”. I like it remapped to “middle button” (which pastes text in Unix). I used to use a [...]

SSL breakage and client verification

Hopefully this may help others.
I’ve recently been trying startssl.com for an SSL certificate for a customer. Their wizard unfortunately insists upon generating them with “www” in front (although it provides altname of “DNS: www.example.com, DNS:example.com” (names altered BTW)) - however firefox ain’t happy. So I’m going to get them to sign my CSR.
However [...]

Puppet compatibility - or lack of

Whilst playing with the puppet-dashboard I noticed some warning notices in my puppetmaster logs. Now all file resource types must prefix “module” (although templates don’t need to!).
It’s only a small change, but please can these things be done a bit more sanely? By this I mean a documented approach to [...]

Email client setup

I’ve recently changed my laptop and as it’s a small netboot, I’m running Ubuntu netbook remix on it. Today I’ve setup email on it and it’s a little involved so I thought it worth documenting.
First a little background - I run my own email servers and I like using “mutt” as my email client [...]

First real test of ubuntu netbook remix

Today I had my first real trial of Ubuntu netbook remix (9.10). This is an an Eeepc 1008HA netbook.
Netbook remix has a nice “launcher” which takes over the whole screen and uses large buttons. This is great for me as I can’t use trackpads at all The [...]

KSM running

I’ll write up a bit more in a while on Bitcube, but for the record:

full_scans: 71
max_kernel_pages: 128571
pages_shared: 13640
pages_sharing: 19803
pages_to_scan: 100
pages_unshared: 79285
pages_volatile: 322
run: 1
sleep_millisecs: 20

KSM is “Kernel Samepage Merging” and is a way to share memory between virtualisation instances, thus saving huge amounts of memory. In this case it’s a redhat box and another [...]

identi.ca and twitter

Yes, part of the point of this blog entry is to check that wordpress will tweet all my blog posts automatically
Identi.ca is basically an open source twitter, it will be interesting to see where it goes, but ATM at least it can feed twitter quite nicely. Unfortunately I still have to follow twitter [...]

Customisation and Gnome FAIL

I’ve been a keen Linux user for just shy of fifteen years now and there have been many, many changes, but I’m just going to look at the “desktop” side and see how things have changed (or not).
“Out of the box” - this has drastically improved. Sound normally works now and general hardware support [...]

Dusting

In a follow up from yesterdays entry, I opened up my graphics card (Nvidia 8800GTS) and got rid of the dust. As you can see - there was quite a coating! Shame Nvidia made it so hard to clean (there’s normally a cover over this lot so you can’t see it, or clean it), [...]