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PHP Upgrade

Today I had to upgrade my PHP version to 5.5 as version 5.4 is getting older. So there will be some small problems with some services here as I have to adapt some of the code pieces used. Sorry for the inconvenience during the update.

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Google-Authenticator – Strike 2

Google Authenticator surely is a cute thing. But my current solution isn’t really matching my taste: one token for every app which makes up a total of 20 token for my daily use – about 19 token too much if you’d ask me.

A solution could be a Radius server, having all the users authenticated using a PAM Module – or something completely different. I cancelled the Radius Server as I couldn’t get it to play nice with my LDAP Directory. So I had to search on.

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Google-Authenticator and SSH

Looking at the current bugs and problems with passwords and authentification, everything is insecure – at least in theory. Believe me, as a sysadmin I have to say, “that sucks”. So I decided to choose “Plan G” which is the Google-Authenticator, a software token to extend our passwords by a new 6 digits number, pretty much like the RSA tokens do.

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/dev/shm not there?

Today a strange problem happened while installing Gentoo Linux. In fact, it was /dev/shm not existing. Quite disturbing if you rely on a stable build system and python. The latter one bails out because of that.

Having a look at an old fstab file I figured that /dev/shm should be a simple and plain tmpfs:

shm /dev/shm tmpfs defaults 0 0

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Adventures with the RaspberryPi

Yes, I’ve been caught by the Raspberry Pi fever. A bit late, but caught for sure. It all started with a friend of mine handing me a box, saying “Guess you can make use of that way better than I could.” That’s how things started – I’m sitting here, staring at a dark screen, a text console, hacking and cheering and as usual, nobody around me understands my mood. But to be honest, as an IT tech, I’m pretty used to that.

The good thing about the Raspberry pi is, that you quickly get something out of it. The basics are up and running in a few minutes. Finetuning usually is just a bonus then. Forums offer new tips and tricks – in short: there’s plenty of support out there.

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Free as in …?

Vmware drives me crazy. Today I got aware of a ‘new’ Hypervisor, the ESXi 5.5 which should be the new and shiny stuff from vmware, dropping the 32 GB wRAM limit. But the first unpleasant surprise awaits us at the new vSphere client, presented at the login screen:

vmware 5.5 login

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