2026-06-09 MongoDB Auth创建账号和权限 MongoDB Auth创建账号和权限12345678910111213141516171819202122232425262728293031323334353637383940use admindb.createUser({ user: 'db_reader', pwd: 'A123456', mechanisms: ["SCRAM-SHA-1"], roles: [{ role: "read", db: "my-app" }]});db.createUser({ user: "db_manager", pwd: "A456789", mechanisms: ["SCRAM-SHA-1"], roles: ['readWriteAnyDatabase', 'dbAdminAnyDatabase', { role: "dbAdmin", db: 'my-app' }, { role: "readWrite", db: 'my-app' }, { role: "dbAdmin", db: 'my-app' }]});db.createUser({ user: 'db_root', pwd: 'A10111213', mechanisms: ["SCRAM-SHA-1"], roles: [{ role: "dbAdminAnyDatabase", db: "admin" }, { role: "root", db: "admin" }]}); Neuer Linux Too many open files 异常解决 Älter OPC-DA-ALL-List-OPC-(一)-安装Matrikon OPC Simulation Server