Redis installation and common problem solving based on centeros7 (explanation with pictures)

be based on CenterOS7 install Redis Common problems and Solutions

The two installation problems created are shown below

1、 Download the installation package and install

Official download address ：https://redis.io/download/

• Directly in win Download the extracted package from the platform, upload it to the virtual machine, and then install it

  Directly click the version to download the compressed file

• Perform remote download and installation through commands on the virtual machine redis Installation package

  1. Remote installation address （ Choose your own version ）

     wget http://download.redis.io/releases/redis-?.?.?.tar.gz
     

     If you are prompted wget If the command is not found, execute the following code to install the plug-in , When the installation is completed, you will be prompted , Allow the above download address again

     yum -y install wget
     

  2. After downloading, you can use ll Command to check whether the files in the current directory exist , Here is win Download the uploaded , Then extract the file

     Navigate to the uploaded folder , Then decompress redis Compressed package

     tar –xvf  file name .tar.gz
     

     After extracting the file , Again cd Go to the extracted file to view the file directory , Use ll Catalog

     

     cat Makefile
     //  You can view the installation location as follows 
     
     # Top level makefile, the real shit is at src/Makefile
     
     default: all
     
     .DEFAULT:
             cd src && $(MAKE) [email protected]
     
     install:
             cd src && $(MAKE) [email protected]
     
     .PHONY: install
     
     

  3. Compile and install through the following statement ( Compilation takes time and patience , If an installation error occurs, follow the steps below )

     make install
     

     If you succeed , Use cd Command to enter the installation directory src in , And then through ll Command to see if the installation is successful , The appearance of the following represents success

     

  4. Please look down at the installation error

     1. The first mistake is the one mentioned above -bash: wget: Command not found , have already been solved

     2. The second compilation error gcc： Command not found , Execute the following statement to solve the problem

        yum -y install gcc automake autoconf libtool make
        

        

     3. The third compilation error zmalloc.h:50:31: Fatal error ：jemalloc/jemalloc.h： There is no file or directory , Execute the following statement to solve the problem

        

        Be careful ： The following statements need to be executed under the unzipped package file （ Equal to compile , It's going to take some time ）

        make MALLOC=libc
        

        

  5. start-up src The directory redis-server service

     

     Because the current page is used to start redis The server , So I can't execute the command , Need to copy a label

  6. Enter the installation directory , Then start redis-cli, You can do it

     

2、 modify Redis port

Use the following command to modify the port to start multiple redis service

redis-server --port 6380

You also need to specify the port when starting the client

redis-cli -p 6380