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版本信息：

ubuntu 16.04
gcc version 5.4.0

版本问题真的很重要，很有可能在别人的电脑里面可以正常操作，换一台就…呵呵，你懂得！
好，废话不多说，来代码！！

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1.安装redis:

1）下载解压：

/usr/local$ sudo wget http://download.redis.io/releases/redis-3.0.2.tar.gz
/usr/local$ sudo tar -xvzf redis-3.0.2.tar.gz 
/usr/local$ cd redis-3.0.2/

2)编译安装(/usr/local/redis-3.0.2/)

sudo make
sudo make install

提示编译成功：

Hint: It's a good idea to run 'make test' ;)
make[1]: Leaving directory '/usr/local/redis-3.0.2/src'

2.配置文件修改：

1）创建文件夹：

/usr/local$ sudo mkdir redis-service  

2）在reddis-service下创建6个文件夹：

sudo mkdir redis-7000 redis-7001 redis-7002 redis-7003 redis-7004 redis-7005

注：要让集群正常工作至少需要3个主节点,在这里我们要创建6个redis节点, 其中三个为主节点(master),三个为从节点(slave),对应的redis节点的ip和端口对应关系127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005

3）复制redis3.0.2下的redis.conf 到上一级目录的redis-service

4）修改文件名：

sudo mv redis.conf redis-cluster.conf
dss@dss:/usr/local/redis-service$ ls
redis-7000  redis-7002  redis-7004  redis-cluster.conf
redis-7001  redis-7003  redis-7005

5）复制redis-cluster.conf 分别到这六个文件夹内：

6）分别修改每个文件夹内的配置文件：

修改命令：

/usr/local/redis-service/redis-7000$ sudo vim redis-cluster.conf

修改内容例如：redis-7000:

port 7000
daemonize yes
pidfile redis-7000.pid
cluster-enabled yes
cluster-config-file nodes-7000.conf
cluster-node-timeout 15000 #看情况而定,尽量保持每台机子的原数据
appendonly yes

7）复制 redis-server 到/usr/local/redis-service/：

/usr/local/redis-3.0.2/src$ sudo cp redis-server /usr/local/redis-service/

8）执行redis：

/usr/local/redis-service$ sudo ./redis-server redis-7000/redis-cluster.conf &
/usr/local/redis-service$ sudo ./redis-server redis-7001/redis-cluster.conf &
/usr/local/redis-service$ sudo ./redis-server redis-7002/redis-cluster.conf &
/usr/local/redis-service$ sudo ./redis-server redis-7003/redis-cluster.conf &
/usr/local/redis-service$ sudo ./redis-server redis-7004/redis-cluster.conf &
/usr/local/redis-service$ sudo ./redis-server redis-7005/redis-cluster.conf &

注：&符号是为了在执行时不占用本窗口！如果不加，你可以试试（手动滑稽

这样就成功启动了redis

3.安装集群工具：

1）安装ruby及交互环境：

/usr/local$ sudo apt-get install ruby
/usr/local$ sudo apt-get install irb
/usr/local$ sudo apt-get install ri

2）安装rubygems(必须安装,否则无法启动集群命令)

RubyGems 旨在方便地管理 gem 安装的工具,以及用于分发 gem 的服务器。这类似于Ubunt u 下的apt -get , Cent os 的 yum,Pyt hon 的 pip！！

sudo apt-get install rubygems

出现下面的情况的话：就只能手动编译安装了！

注意，选中 'ruby' 而非 'rubygems'
ruby 已经是最新版 (1:2.3.0+1)。

官网下载rubygems安装包:https://rubygems.org/pages/download

cd /usr/local/src
sudo  mkdir rubygems

移动到/usr/local/scr/rubygems/路径下！
解压安装包：

sudo unzip rubygems-2.7.7.zip
cd  rubygems-2.7.7

执行命令：

 sudo ruby setup.rb

安装成功提示：

RubyGems installed the following executables:
/usr/bin/gem2.3
/usr/bin/bundle2.3

通过gem安装redis：

sudo gem install redis
Fetching: redis-4.0.1.gem (100%)
Successfully installed redis-4.0.1
Parsing documentation for redis-4.0.1
Installing ri documentation for redis-4.0.1
Done installing documentation for redis after 1 seconds
1 gem installed

安装成功！！
进入/usr/local/redis-3.0.2/src,查找redis-trib.rb，并复制到redis-service

/usr/local/redis-3.0.2/src$ sudo cp redis-trib.rb /usr/local/redis-service/

启动集群命令：

sudo ./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005
>>> Creating cluster
Connecting to node 127.0.0.1:7000: OK
Connecting to node 127.0.0.1:7001: OK
Connecting to node 127.0.0.1:7002: OK
Connecting to node 127.0.0.1:7003: OK
Connecting to node 127.0.0.1:7004: OK
Connecting to node 127.0.0.1:7005: OK
>>> Performing hash slots allocation on 6 nodes...
Using 3 masters:
127.0.0.1:7000
127.0.0.1:7001
127.0.0.1:7002
Adding replica 127.0.0.1:7003 to 127.0.0.1:7000
Adding replica 127.0.0.1:7004 to 127.0.0.1:7001
Adding replica 127.0.0.1:7005 to 127.0.0.1:7002
M: fbfdc203d9904c7a8a85f61a4113e377ffde039d 127.0.0.1:7000
   slots:0-5460 (5461 slots) master
M: 5b04fdcdb078389f2af2acf471e33b6bd92d0ebc 127.0.0.1:7001
   slots:5461-10922 (5462 slots) master
M: 92613e645b281c3b4a5511b4866ec3db80cba7d4 127.0.0.1:7002
   slots:10923-16383 (5461 slots) master
S: 2a284f31e9e19a078595ed9969b57a13b5cfb128 127.0.0.1:7003
   replicates fbfdc203d9904c7a8a85f61a4113e377ffde039d
S: d6b4b60c415a854bdebd46fd0922172412b3e323 127.0.0.1:7004
   replicates 5b04fdcdb078389f2af2acf471e33b6bd92d0ebc
S: 7a6124eb40a7e008b1acdd12a4c0eb388a2b7873 127.0.0.1:7005
   replicates 92613e645b281c3b4a5511b4866ec3db80cba7d4
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join...
>>> Performing Cluster Check (using node 127.0.0.1:7000)
M: fbfdc203d9904c7a8a85f61a4113e377ffde039d 127.0.0.1:7000
   slots:0-5460 (5461 slots) master
M: 5b04fdcdb078389f2af2acf471e33b6bd92d0ebc 127.0.0.1:7001
   slots:5461-10922 (5462 slots) master
M: 92613e645b281c3b4a5511b4866ec3db80cba7d4 127.0.0.1:7002
   slots:10923-16383 (5461 slots) master
M: 2a284f31e9e19a078595ed9969b57a13b5cfb128 127.0.0.1:7003
   slots: (0 slots) master
   replicates fbfdc203d9904c7a8a85f61a4113e377ffde039d
M: d6b4b60c415a854bdebd46fd0922172412b3e323 127.0.0.1:7004
   slots: (0 slots) master
   replicates 5b04fdcdb078389f2af2acf471e33b6bd92d0ebc
M: 7a6124eb40a7e008b1acdd12a4c0eb388a2b7873 127.0.0.1:7005
   slots: (0 slots) master
   replicates 92613e645b281c3b4a5511b4866ec3db80cba7d4
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.

BINGO！！启动成功！！

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人人为我，我为人人！！