ERROR ==> Invalid kernel settings. Elasticsearch requires at least: vm.max_map_count = 262144

ERROR ==> Invalid kernel settings. Elasticsearch requires at least: vm.max_map_count = 262144 If the error above pops in Docker for windows or the Docker Toolbox, (happened to me while installing the bitnami docker image for Magento2) what you have to do is change the docker-machine sysctl settings as follows: docker-machine sshsudo sysctl -w vm.max_map_count=262144 Enjoy! […]

could not link file “pg_xlog/xlogtemp.20” to “pg_xlog/000000010000000000000001” (initialization of log file): Operation not permitted

I am doing a Docker training session and the container uses PostgreSQL for database needs. On doing docker-compose up, i got the error in the title. postgres_1 | postgres_1 | Data page checksums are disabled. postgres_1 | postgres_1 | fixing permissions on existing directory /var/lib/postgresql/data … ok postgres_1 | creating subdirectories … ok postgres_1 | […]