Centos7安装部署MongoDB教程

安装方式：

RPM包安装

安装步骤：

一.下载RPM包

下图是需要注意的事项。其一选择MongoDB的社区版本，默认是企业版本。其二，选中版本后，在下方会出现下载地址，直接复制下载即可

 二.安装并查看是否安装成功

[root@localhost ~]# rpm -ivh https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-server-4.2.1-1.el7.x86_64.rpm
Retrieving https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.2/x86_64/RPMS/mongodb-org-server-4.2.1-1.el7.x86_64.rpm   #正常来说，会出现两个百分号才是正常的
warning: /var/tmp/rpm-tmp.dkH44i: Header V3 RSA/SHA1 Signature, key ID 058f8b6b: NOKEY
Preparing...                          ################################# [%]
Updating / installing...
   :mongodb-org-server-4.2.-.el7   ################################# [%]
Created symlink from /etc/systemd/system/multi-user.target.wants/mongod.service to /usr/lib/systemd/system/mongod.service.
[root@localhost ~]# systemctl status mongod　　#能够在systemctl中识别到这个服务，即安装成功
● mongod.service - MongoDB Database Server
   Loaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled)
   Active: inactive (dead)
     Docs: https://docs.mongodb.org/manual

Nov  :: localhost.localdomain systemd[]: [/usr/lib/systemd/system/mongod.service:] Unknown lvalue 'TasksMax' in section 'Service'
Nov  :: localhost.localdomain systemd[]: [/usr/lib/systemd/system/mongod.service:] Unknown lvalue 'TasksAccounting' in s...ervice'
Nov  :: localhost.localdomain systemd[]: [/usr/lib/systemd/system/mongod.service:] Unknown lvalue 'TasksMax' in section 'Service'
Nov  :: localhost.localdomain systemd[]: [/usr/lib/systemd/system/mongod.service:] Unknown lvalue 'TasksAccounting' in s...ervice'
Hint: Some lines were ellipsized, use -l to show in full.
[root@localhost ~]# 

三.启动MongoDB

[root@localhost ~]# systemctl start mongod
[root@localhost ~]# systemctl status mongod
● mongod.service - MongoDB Database Server
   Loaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun -- :: EST; 24s ago
     Docs: https://docs.mongodb.org/manual
  Process:  ExecStart=/usr/bin/mongod $OPTIONS (code=exited, status=/SUCCESS)
  Process:  ExecStartPre=/usr/bin/chmod  /var/run/mongodb (code=exited, status=/SUCCESS)
  Process:  ExecStartPre=/usr/bin/chown mongod:mongod /var/run/mongodb (code=exited, status=/SUCCESS)
  Process:  ExecStartPre=/usr/bin/mkdir -p /var/run/mongodb (code=exited, status=/SUCCESS)
 Main PID:  (mongod)
   CGroup: /system.slice/mongod.service
           └─ /usr/bin/mongod -f /etc/mongod.conf

Nov  :: localhost.localdomain systemd[]: Starting MongoDB Database Server...
Nov  :: localhost.localdomain mongod[]: about to fork child process, waiting until server is ready for connections.
Nov  :: localhost.localdomain mongod[]: forked process:
Nov  :: localhost.localdomain systemd[]: Started MongoDB Database Server.

建议shell和tools也一块安装