Securing the Wedge 100BF BMC

Fri, Apr 23, 2021 - 396 Words - 2 minutes

The BMC of the Edgecore Wedge 100BF has a default password. You can change it with passwd(1), but after a reboot it returns to the default password because the root filesystem of the BMC runs in memory. This article describes how you can change the default passwords such that they survive a reboot or power cycle.


BIND and apparmor

Fri, Apr 13, 2018 - 153 Words - 1 minutes

I run DNS for my own domain ( and it also supports DNSSEC. DNSSEC suddenly stopt working and it turned out that a change in Ubuntu 18.04 apparmor(7) was the reason.