Node 1 configurationModify max_map_countecho vm.max_map_count=262144 >> /etc/sysctl.conf
Test the installation environmentcentos8 64
Install yum-utils toolkit sudo yum install -y yum-u
Modify the maximum number of memory mapped areas that a process may haveecho vm.max_map_count=262144
Build a disk array in Linux, this time use 2 4T mechanical hard disks to build a raid0 disk array4T
Build a mongodb replication set in docker to provide data redundancy and high availability, provide
I hope to help every developer quickly find the commands they need. Of course, you can also add your own commonly used commands for easy searching.