| systemctl unset-environment _WSREP_START_POSITION (code=exited | One of the node can not start the mariadb in Galera Cluster. - Ask OpenStack: Q&A Site for OpenStack Users and Developers : http://ask.openstack.org/en/question/109219/one-of-the-node-can-not-start-the-mariadb-in-galera-cluster/ | |
| systemctl unset-environment foo | SystemdForUpstartUsers - Ubuntu Wiki : http://wiki.ubuntu.com/SystemdForUpstartUsers | |
| systemctl unset-environment MYSQLD_OPTS | 2017”N7ŒŽ – amedog.net : http://amedog.net/archives/date/2017/07 | |
| systemctl unset-environment WSREPSTART_POSITION (code=exited | Multiple errors when updating ubuntu 16.04 - EasyEngine - rtCommunity : http://community.rtcamp.com/t/multiple-errors-when-updating-ubuntu-16-04/9218 |
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