Steve Kemp's Blog Writings relating to Debian & Free Software

skx-www upgraded to jessie

Saturday, 18 April 2015

Today I upgraded my main web-host to the Jessie release of Debian GNU/Linux.

I performed the upgraded by changing wheezy to jessie in the sources.list file, then ran:

apt-get update
apt-get dist-upgrade

For some reason this didn't upgrade my kernel, which remained the 3.2.x version. That failed to boot, due to some udev/systemd issues (lots of "waiting for job: udev /dev/vda", etc, etc). To fix this I logged into my KVM-host, chrooted into the disk image (which I mounted via the use of kpartx), and installed the 3.16.x kernel, before rebooting into that.

All my websites seemed to be OK, but I made some changes regardless. (This was mostly for "neatness", using Debian packages instead of gems, and installing the attic package rather than keeping the source-install I'd made to /opt/attic.)

The only surprise was the significant upgrade of the Net::DNS perl-module. Nothing that a few minutes work didn't fix.

Now that I've upgraded the SSL-issue I had with redirections is no longer present. So it was a worthwhile thing to do.

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Subject - Verb Agreement

Tuesday, 14 April 2015

There's pretty much no way that I can describe the act of cutting a live, 240V mains-voltage, wire in half with a pair of scissors which doesn't make me look like an idiot.

Yet yesterday evening that is exactly what I did.

There were mitigating circumstances, but trying to explain them would make little sense unless you could see the scene.

In conclusion: I'm alive, although I almost wasn't.

My scissors? They have a hole in them.

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Some things get moved, some things get doubled in size.

Saturday, 11 April 2015

Relocation

We're about three months away from relocating from Edinburgh to Newcastle and some of the immediate panic has worn off.

We've sold our sofa, our spare sofa, etc, etc. We've bought a used dining-table, chairs, and a small sofa, etc. We need to populate the second-bedroom as an actual bedroom, do some painting, & etc, but things are slowly getting done.

I've registered myself as a landlord with the city council, so that I can rent the flat out without getting into trouble, and I'm in the process of discussing the income possabilities with a couple of agencies.

We're still unsure of precisely which hospital, from the many choices, in Newcastle my wife will be stationed at. That's frustrating because she could be in the city proper, or outside it. So we need to know before we can find a place to rent there.

Anyway moving? It'll be annoying, but we're making progress. Plus, how hard can it be?

VLAN Expansion

I previously had a /28 assigned for my own use, now I've doubled that to a /27 which gives me the ability to create more virtual machines and run some SSL on some websites.

Using SNI I've actually got the ability to run SSL almost all sites. So I configured myself as a CA and generated a bunch of certificates for myself. (Annoyingly few tutorials on running a CA mentioned SNI so it took a few attempts to get the SAN working. But once I got the hang of it it was simple enough.)

So if you have my certificate authority file installed you can browse many, many of my interesting websites over SSL.

SSL

I run a number of servers behind a reverse-proxy. At the moment the back-end is lighttpd. Now that I have SSL setup the incoming requests hit the proxy, get routed to lighttpd and all is well. Mostly.

However redirections break. A request for:

  • https://lumail.org/docs

Gets rewritten to:

  • http://lumail.org/docs/

That is because lighttpd generates the redirection and it only sees the HTTP connection. It seems there is mod_extforward which should allow the server to be aware of the SSL - but it doesn't do so in a useful fashion.

So right now most of my sites are SSL-enabled, but sometimes they'll flip to naked and unprotected. Annoying.

I don't yet have a solution..

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Moving to Newcastle

Saturday, 14 March 2015

Although things are not 100% certain it seems highly likely we'll be moving to Newcastle in five months time.

If I seem distracted/absent/busy over the next month or two this will be a good excuse!

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Free hosting, and key-signing

Friday, 6 March 2015

Over the past week I've mailed many of the people who had signed my previous GPG key and who had checked my ID as part of that process. My intention was to ask "Hey you trusted me before, would you sign my new key?".

So far no replies. I may have to be more dedicated and do the local-thing with people.

In other news Bytemark, who have previously donated a blade server, sponsored Debconf, and done other similar things, have now started offering free hosting to Debian-developers.

There is a list of such offers here:

I think that concludes this months blog-posting quota. Although who knows? I turn 39 in a couple of days, and that might allow me to make a new one.

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Recording gym-visits on Linux.

Tuesday, 27 January 2015

I go to the gym every couple of days. I lift things up, then put them down, and sometimes I repeat this process another 30 times. When I'm done I write down what I've done, how many times I did the lifty-droppy thing, and so on.

I want to see pretty graphs. I want to have records of different things. I guess I just need some simple text-boxes:

   deadlift  3 x 7 @ 210lbs.

etc. Sometimes I use machines so I'd say instead:

  converging seated-row  3 x 8 @ 150lbs

Anyway that's it. I want a simple GUI, a bit like a spreadsheet where I can easily add rows of each session. (A session might have 10-15 exercises in it, so not many.) I imagine some kind of SQLite database for the back-end. Or CSV. Either works.

Writing GUI software is hard. I guess I should look at GtK or Qt over the next few days and see if it is going to be easier to do it online via a jQuery + CGI system instead. To be honest I expect doing it "online" is liable to be more popular, but I think a desktop toy-application is just as useful.

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Here we go again.

Tuesday, 6 January 2015

Once upon a time I worked from home for seven years, for a company called Bytemark. Then, due to a variety of reasons, I left. I struck out for adventures and pastures new, enjoyed the novelty of wearing clothes every day, and left the house a bit more often.

Things happened. A year passed.

Now I'm working for Bytemark again, although there are changes and the most obvious one is that I'm working in a shared-space/co-working setup, renting a room in a building near my house instead of being in the house.

Shame I have to get dressed, but otherwise it seems to be OK.

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Reducing, or redirecting at least, charitable donations.

Tuesday, 30 December 2014

This is the time of year when there are lots of adverts shown on TV solicating donations for charities, which frequently end with the two words "thank you".

I've always felt there were too many charities in the world, and that it was hard to half-heartedly give money to one charity this month, one the next, and still another next year. On that basis I decided long ago to give my money solely to three charities. If I had money that was spare, or I felt generous that month, I would give it to one of "my" charities. Any other appeals I just ignored (with minor exceptions for one-off events like tsunamis, etc).

I won't claim credit for this idea, it came directly from my mom who does the same thing. I've given money to the same three charities for twenty years now. Maybe not thousands, but hopefully enough to be useful. Certainly more than I'd have given if my donation were split between more recipients.

Now I'm changing. As of next year only one charitable organization will get my pennies. The other two haven't done anything bad, wrong, or failed/succeeded (sadly), but it feels better for me to stick to a single recipient.

Happy Christmas.

(Details shouldn't matter, but to answer the obvious question the charity I've kept is the RNLI.)

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Switched to using attic for backups

Friday, 19 December 2014

Even though seeing the word attic reminds me too much of leaking roofs and CVS, I've switched to using the attic backup tool.

I want a simple system which will take incremental backups, perform duplication-elimination (to avoid taking too much space), support encryption, and be fast.

I stopped using backup2l because the .tar.gz files were too annoying, and it was too slow. I started using obnam because I respect Lars and his exceptionally thorough testing-regime, but had to stop using it when things started getting "too slow".

I'll document the usage/installation in the future. For the moment the only annoyance is that it is contained in the Jessie archive, not the Wheezy one. Right now only 2/19 of my hosts are Jessie.

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An anniversary and a retirement

Thursday, 11 December 2014

On this day last year I we got married.

This morning my wife cooked me breakfast in bed for the second time in her life, the first being this time last year. In thanks I will cook a three course meal this evening.

 

In unrelated news the BlogSpam service will be retiring the XML/RPC API come 1st January 2015.

This means that any/all plugins which have not been updated to use the JSON API will start to fail.

Fingers crossed nobody will hate me too much..

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