I ran into an obscure Could not link against ! error when configuring EncFS:
Could not link against !
compile encfs error
So, hardware trouble caused a VPS to go down. This VPS was running a MySQL server in a slave setup. Not surprisingly, the unclean shutdown broke succesful slaving.
shell error slave mysql
If you want to be able to sniff your IPsec traffic with OpenSwan, you'll need to get KLIPS instead of the default NETKEY IPsec protocol stack.
compilation shell error