Rethinking database architecture

Originally published 2015-09-02 on the UoB Unix blog The eduroam wireless network has a reliance on a database for the authorization and accounting parts of AAA (authentication, authorization and accounting – are you who you say you are, what access are you allowed, and what did you do while connected). When we started dabbling with database-backed AAA in 2007 […]

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New worst cabinet ever

A while back I wrote about the worst cabinet ever. Maybe this one isn’t as spectacular to behold, but there is a Cisco switch under all that spaghetti. There are also two PoE power injectors for wireless access points. All this is in a wooden cupboard and it was roasting hot. You can see that […]

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Changing the verbosity of wpa_supplicant on Ubuntu

Sometimes you need to change the log verbosity of wpa_supplicant for debugging purposes. First check which log verbosity you are currently running with. ps -ef | grep wpa_supplicant | grep -v grep -d represents verbose -dd represents extra verbose To change the log verbosity, edit /usr/share/dbus-1/system-services/fi.epitest.hostap.WPASupplicant.service and add -d or -dd as appropriate. Example: [D-BUS […]

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