Monthly Archives: Listopad 2014
„The host name ‚myHost‘ is invalid. Ensure the host name resolves to a valid ip address. Specify a valid host name and rerun the command.“ = loopback is not associated with hostname. Solution =
echo "127.0.0.1 $HOSTNAME" >>/etc/hosts
As R language is taken as one of the best analytics languages/tools in general, databases can‘ t be overlooked. Article is focused on very simple connection example for connecting R with Oracle database.
Know that kind of concerns? You bought really expensive license for great software…. changed operating system… and just rely that if it is written in Java, it can’t be problem to use it. Agreed.
Know that feeling that something is just different while using new operating system? Ok, fan is running and – indeed – it is caused by power (non-)saving features in default setting (at least in my case). How to solve it … Continue reading
Getting rid of kernel fixing (dividing by zero), kernel versions, unbelievable bugs on every step, poor disk setting (file system), poor security (shell shock, remember?)? Ok, I tell you something. I switched from linux(thx for 15 great years anyway!) to … Continue reading
Sometimes it’s very useful to skip well-known master-slave replication scenario and focus on master-master possibility 🙂