My note about installing PostgreSQL, NGINX, and phpPGadmin at Centos7
It’s just my note, about How to Show Disk Info in Solaris. Using the iostat command we can gather about disk information.
It’s just my note, how to recovering the MariaDB galera cluster while all node failed to create new cluster after hardware failure.
Why Gnochi ? Since the Newton Release, openstack change the Ceilometer backend database to Gnocchi instead of MongoDB. Ceilometer’s native storage has extrem...
When your openstack running with Xenserver as compute HyperVisor you may find this error to instance who made often migration across the HyperVisor.