CentOS 6.8 under linux install mongodb

1. Get mongodb-3.4.6

[ root@xxxx local]# curl -o mongodb-linux-x86_64-3.4.6.tgz https://fas tdl.mongodb.org/linux/mongodb-linux-x86_64-3.4.6.tgz

Here is the installation process

Use the command: curl

In Linux, curl is a file transfer tool that uses URL rules to work on the command line. It can be said to be a very powerful http command line tool. It supports file uploading and downloading and is a comprehensive transmission tool, but according to tradition, it is customary to call url a download tool.

Common parameters

- A/--user-agent <string>Set the user agent to send to the server
- b/--cookie <name=string/file>Cookie string or file reading position
- c/--cookie-jar <file>Write the cookie to this file after the operation is over
- C/--continue-at <offset>Breakpoint resume
- D/--dump-header <file>Write the header information to the file
- e/--referer source URL
- f/--fail do not display http error when connection fails
- o/--output write the output to the file
- O/--remote-name write the output to the file, keep the file name of the remote file
- r/--range <range>Retrieved from HTTP/1.1 or FTP server byte range
- s/--silent Silent mode. Output nothing
- T/--upload-file <file>upload files
- u/--user <user[:password]>Set the user and password of the server
- w/--write-out [format]What output is complete
- x/--proxy <host[:port]>Use HTTP proxy on the given port
- # /--progress-bar The progress bar shows the current transfer status

2. Unzip the compressed package to the installation directory (/usr/local/mongodb)

The following is the installed interface

Next, we decompress.

Since I have reached the current path, I just need to perform decompression

 # tar zxvf mongodb-linux-x86_64-3.4.6.tgz

If you do not enter the path, just specify it

# tar zxvf mongodb-linux-x86_64-3.4.6.tgz -C /usr/local

The attention referred to here is a permission issue.
Below is a screenshot of the operation.

Next from the named file: mv mongodb-linux-x86_64-3.4.6 mongodb

3. Create log and data directories##

[ root@localhost local]# cd mongodb
[ root@localhost mongodb]# mkdir data/log && mkdir data/db

4. Configure environment variables##

vi /etc/profile

export MONGODB_HOME=/usr/local/mongodb 

 export PATH=$PATH:$MONGODB_HOME/bin

After saving, restart the system configuration

source /etc/profile

5. Configure mongodb.conf

Create a file mongodb.conf under /usr/local/mongodb/bin with the following content:

systemLog:
 destination: file
 path:"/usr/local/mongodb/data/log/mongodb.log"                                  
 logAppend:true

storage:
 journal:                                                              
  enabled:true
 dbPath:"/usr/local/mongodb/data/db"                                                  
 directoryPerDB:false                                               
 engine: wiredTiger                                                           
 wiredTiger:                                                              
  engineConfig:
   cacheSizeGB:4                                                        
   directoryForIndexes:false                                         
   journalCompressor: zlib
  collectionConfig:                                                       
   blockCompressor: zlib
  indexConfig:                                                                 
   prefixCompression:true

net:                                                                     
 port:27017

processManagement:                                                           
 fork:true

security:
 authorization: disabled

Set up background operation

fork = true

Log output method

logappend = true

6. Start the mongodb server##

Under /usr/local/mongodb/bin
mongod -f /usr/local/mongodb/bin/mongodb.conf

7. Check mongodb start port 27017

[ root@localhost mongodb]# lsof -i :27017

8. Check http service port 28017

(In the mongodb 27017, the first 7 plus 1, that is 28017 is the HTTP service port)

http://IP:28017

9. Start the client of mongodb##

[ root@localhost mongodb]# bin/mongo
MongoDB shell version v3.4.6
connecting to: mongodb://127.0.0.1:27017
MongoDB server version:3.4.6

10. Encountered pit##

1 ，Address already in use linux

Reason: Port occupied

Solution: ps command, check the occupied program, kill it

2 ，LoaderExceptions

Reason: In the configuration file, a space is missing after the colon

Solution: Go to the configuration file, modify it, and restart the service.

3 ， Unable to lock the lock file: /var/lib/mongo/mongod.lock

Reason: The file is locked and cannot be copied

Solution: Just delete it directly
4. Under centos, the command lsof cannot be used, and the following message appears:
Solution
We can install it through yum:

# yum install lsof