下载 rpm包
wget https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-server-4.2.2-1.el7.x86_64.rpm
wget https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-mongos-4.2.2-1.el7.x86_64.rpm
wget https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-tools-4.2.2-1.el7.x86_64.rpm
wget https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-shell-4.2.2-1.el7.x86_64.rpm
安装
yum -y install mongodb-org-*
修改mogod.service
cd /usr/lib/systemd/system
修改内容
[[email protected] system]# cat mongod.service [Unit] Description=MongoDB Database Server Documentation=https://docs.mongodb.org/manual After=network.target [Service] User=mongod Group=mongod Environment="OPTIONS=-f /etc/mongod.conf" EnvironmentFile=-/etc/sysconfig/mongod ExecStart=/usr/bin/mongod $OPTIONS ExecStartPre=/usr/bin/chown -R mongod:mongod /var/lib/mongo ExecStartPre=/usr/bin/mkdir -p /var/run/mongodb ExecStartPre=/usr/bin/chown -R mongod:mongod /var/run/mongodb ExecStartPre=/usr/bin/chmod 0755 /var/run/mongodb PermissionsStartOnly=true PIDFile=/var/run/mongodb/mongod.pid Type=forking # file size LimitFSIZE=infinity # cpu time LimitCPU=infinity # virtual memory size LimitAS=infinity # open files LimitNOFILE=64000 # processes/threads LimitNPROC=64000 # locked memory LimitMEMLOCK=infinity # total threads (user kernel) TasksMax=infinity TasksAccounting=false # Recommended limits for for mongod as specified in # http://docs.mongodb.org/manual/reference/ulimit/#recommended-settings [Install] WantedBy=multi-user.target
注意红色的地方是比默认文件多的地方， 否则可能会出现启动失败的问题
如果启动失败，可以查看mongo的日志
cd /var/log/mongodb
[[email protected] mongodb]# ll total 68 -rw-r-----. 1 mongod mongod 65917 Dec 17 05:20 mongod.log [[email protected] mongodb]#