Shulou(Shulou.com)06/02 Report--

Installation environment: CentOS 6.6

Redis version: redis-3.0 (because of Redis3.0 's features in clustering and performance improvement, rc version is a candidate for the official version. Please go to the official website to choose the latest version during installation)

User: root

Installation directory: / usr/local/redis

Let's make a detailed record of the Redis installation:

Compile and install the required packages:

# yum install gcc tcl

Reminder: download version 3.0 of Redis (the latest version of redis-3.0.0-rc5.tar.gz, please go to the official website to choose the latest version during installation)

# cd / usr/local/src

# wget https://github.com/antirez/redis/archive/3.0.0-rc5.tar.gz

Reminder: you can download the directory copy through the official website.

Create the installation directory:

# mkdir / usr/local/redis

Decompress:

# tar-zxvf 3.0.0-rc5.tar.gz

# mv redis-3.0.0-rc5 redis3.0

# cd redis3.0

Install (use PREFIX to specify the installation directory):

# make PREFIX=/usr/local/redis install

After the installation is complete, you can see that there is a bin directory in the / usr/local/redis directory, and in the bin directory is the command script for redis:

Redis-benchmark redis-check-aof redis-check-dumpredis-cli redis-server

Configure redis as a service:

According to the above steps, the startup script for Redis is: / usr/local/src/redis3.0/utils/redis_init_script

Copy the startup script to the / etc/rc.d/init.d/ directory and name it redis

# cp / usr/local/src/redis3.0/utils/redis_init_script/etc/rc.d/init.d/redis

Edit / etc/rc.d/init.d/redis and modify the configuration so that it can register as a service:

# vi/etc/rc.d/init.d/redis

#! / bin/sh

#

# Simple Redis init.d script conceived to work on Linux systems

# as it does use of the / proc filesystem.

REDISPORT=6379

EXEC=/usr/local/bin/redis-server

CLIEXEC=/usr/local/bin/redis-cli

PIDFILE=/var/run/redis_$ {REDISPORT} .pid

CONF= "/ etc/redis/$ {REDISPORT} .conf"

Case "$1" in

Start)

If [- f $PIDFILE]

Then

Echo "$PIDFILE exists, process is already running or crashed"

Else

Echo "Starting Redis server..."

$EXEC $CONF

Fi

Stop)

If [!-f $PIDFILE]

Then

Echo "$PIDFILE does not exist, process is not running"

Else

PID=$ (cat $PIDFILE)

Echo "Stopping..."

$CLIEXEC-p $REDISPORT shutdown

While [- x / proc/$ {PID}]

Do

Echo "Waiting for Redis to shutdown..."

Sleep 1

Done

Echo "Redis stopped"

Fi

*)

Echo "Please use start or stop as first argument"

Esac

Take a look at the above redis service script, focus on the attributes marked orange, and prepare for the following changes:

(1) add a line after the first line of the script as follows:

# chkconfig: 2345 80 90

Reminder: if you do not add the above, you will be prompted when registering for the service: service redis does not support chkconfig

(2) the REDISPORT port remains unchanged at 6379; (special note: the port name will be related to the following configuration file name)

(3) change EXEC=/usr/local/bin/redis-server to EXEC=/usr/local/redis/bin/redis-server

(4) change CLIEXEC=/usr/local/bin/redis-cli to CLIEXEC=/usr/local/redis/bin/redis-cli

(5) configuration file settings:

Create a redis profile directory

# mkdir / usr/local/redis/conf

Copy the redis configuration file / usr/local/src/redis3.0/redis.conf to the / usr/local/redis/conf directory and rename it to 6379.conf by port number

# cp / usr/local/src/redis3.0/redis.conf/usr/local/redis/conf/6379.conf

After making the above preparations, make the following adjustments to the CONF property:

Change CONF= "/ etc/redis/$ {REDISPORT} .conf" to CONF= "/ usr/local/redis/conf/$ {REDISPORT} .conf"

(6) change the command enabled by redis and execute it in the way of running in the background:

The function of $EXEC $CONF & # "&" is to transfer the service to run later.

The modified / etc/rc.d/init.d/redis service script is as follows:

#! / bin/sh

# chkconfig: 2345 80 90

#

# Simple Redis init.d script conceived to work on Linux systems

# as it does use of the / proc filesystem.

REDISPORT=6379

EXEC=/usr/local/redis/bin/redis-server

CLIEXEC=/usr/local/redis/bin/redis-cli

PIDFILE=/var/run/redis_$ {REDISPORT} .pid

CONF= "/ usr/local/redis/conf/$ {REDISPORT} .conf"

Case "$1" in

Start)

If [- f $PIDFILE]

Then

Echo "$PIDFILE exists, process is already running or crashed"

Else

Echo "Starting Redis server..."

$EXEC $CONF &

Fi

Stop)

If [!-f $PIDFILE]

Then

Echo "$PIDFILE does not exist, process is not running"

Else

PID=$ (cat $PIDFILE)

Echo "Stopping..."

$CLIEXEC-p $REDISPORT shutdown

While [- x / proc/$ {PID}]

Do

Echo "Waiting for Redis to shutdown..."

Sleep 1

Done

Echo "Redis stopped"

Fi

*)

Echo "Please use start or stop as first argument"

Esac

After the above configuration operations are completed, Redis can be registered as a service:

# chkconfig-add redis

Open the corresponding port in the firewall

# vi / etc/sysconfig/iptables

Add:

-An INPUT-m state-- state NEW-m tcp-p tcp-- dport6379-j ACCEPT

Restart the firewall:

# service iptables restart

Modify the redis profile settings:

# vi / usr/local/redis/conf/6379.conf

Modify the configuration as follows

Change daemonize no to daemonize yes

Note: if you do not change to yes,pid file will not be generated, start, stop commands will not take effect (dependent on pid file)

Change pidfile / var/run/redis.pid to pidfile / var/run/redis_6379.pid

Start the Redis service

# service redis start

Add Redis to the environment variable:

# vi / etc/profile

Add the following at the end:

# # Redis env

Export PATH=$PATH:/usr/local/redis/bin

To make the configuration effective:

# source / etc/profile

Currently, you can directly use redis commands such as redis-cli:

# redis-cli

Turn off the Redis service

# service redis stop

Reminder: by default, Redis enables security authentication, and you can specify one through the requirepass of / usr/local/redis/conf/6379.conf

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