six demon bag
Wind, fire, all that kind of thing!
Recent versions of Solr allow restricting access via authentication and authorization plugins, for instance the basic authentication plugin. The documentation shows an example
security.json that you can upload into Zookeeper (assuming that you're running SolrCloud).
Posted 22:15 [permalink]
Boot a kernel just once
If you want to test a new kernel without having access to the console you need to make sure that the system comes back up with the old kernel if the new one panics. Add a setting
panic=2 to the kernel commandline in
/etc/default/grub to have the system automatically reboot in case of a kernel panic, and tell grub to boot a saved kernel by default:
Posted 01:45 [permalink]
Load the relevant modules, either via
modprobe or by entering them into
/etc/modules (so they're loaded automatically on the next system startup).
modprobe ipmi_devintf modprobe ipmi_si
Posted 00:36 [permalink]