一、安裝redis
第一步：下載redis安裝包
wget http://download.redis.io/releases/redis-4.0.6.tar.gz
[root@VM_34_108_centos local]# wget http://download.redis.io/releases/redis-4.0.6.tar.gz --2017-12-13 12:35:12-- http://download.redis.io/releases/redis-4.0.6.tar.gz Resolving download.redis.io (download.redis.io)... 109.74.203.151 Connecting to download.redis.io (download.redis.io)|109.74.203.151|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1723533 (1.6M) [application/x-gzip] Saving to: ‘redis-4.0.6.tar.gz’ 100%[==========================================================================================================>] 1,723,533 608KB/s in 2.8s 2017-12-13 12:35:15 (608 KB/s) - ‘redis-4.0.6.tar.gz’ saved [1723533/1723533]
第二步：解壓壓縮包
tar -zxvf redis-4.0.6.tar.gz
第三步：yum安裝gcc依賴
yum install gcc
第四步：跳轉到redis解壓目錄下
cd redis-4.0.6
第五步：編譯安裝
make MALLOC=libc
將/usr/local/redis-4.0.6/src目錄下的文件加到/usr/local/bin目錄
cd src && make install
[root@VM_34_108_centos redis-4.0.6]# cd src && make install
CC Makefile.dep
Hint: It's a good idea to run 'make test' ;)
INSTALL install
INSTALL install
INSTALL install
INSTALL install
INSTALL install
二、啟動redis的三種方式
先切換到redis src目錄下（redis安裝目錄）
1、直接啟動redis
./redis-server
[root@VM_34_108_centos src]# ./redis-server
18685:C 13 Dec 12:56:12.507 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
18685:C 13 Dec 12:56:12.507 # Redis version=4.0.6, bits=64, commit=00000000, modified=0, pid=18685, just started
18685:C 13 Dec 12:56:12.507 # Warning: no config file specified, using the default config. In order to specify a config file use ./redis-server /path/to/redis.conf
_._
_.-``__ ''-._
_.-`` `. `_. ''-._ Redis 4.0.6 (00000000/0) 64 bit
.-`` .-```. ```\/ _.,_ ''-._
( ' , .-` | `, ) Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379
| `-._ `._ / _.-' | PID: 18685
`-._ `-._ `-./ _.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' | http://redis.io
`-._ `-._`-.__.-'_.-' _.-'
|`-._`-._ `-.__.-' _.-'_.-'|
| `-._`-._ _.-'_.-' |
`-._ `-._`-.__.-'_.-' _.-'
`-._ `-.__.-' _.-'
`-._ _.-'
`-.__.-'
18685:M 13 Dec 12:56:12.508 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
18685:M 13 Dec 12:56:12.508 # Server initialized
18685:M 13 Dec 12:56:12.508 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
18685:M 13 Dec 12:56:12.508 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
18685:M 13 Dec 12:56:12.508 * Ready to accept connections
2、以后臺進程方式啟動redis
第一步：修改redis.conf文件
將deamonize no 改為 yes
第二步：指定redis.conf文件啟動
./redis-server /usr/local/redis-4.0.6/redis.conf
[root@VM_34_108_centos src]# ./redis-server /usr/local/redis-4.0.6/redis.conf 18713:C 13 Dec 13:07:41.109 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 18713:C 13 Dec 13:07:41.109 # Redis version=4.0.6, bits=64, commit=00000000, modified=0, pid=18713, just started 18713:C 13 Dec 13:07:41.109 # Configuration loaded
第三步：關閉redis進程
首先使用ps -aux | grep redis查看redis進程
[root@VM_34_108_centos src]# ps -aux | grep redis root 18714 0.0 0.1 141752 2008 ? Ssl 13:07 0:00 ./redis-server 127.0.0.1:6379 root 18719 0.0 0.0 112644 968 pts/0 R+ 13:09 0:00 grep --color=auto redis
使用kill命令殺死進程
[root@iZwz991stxdwj560bfmadtZ src]# kill -9 18714
3、設置redis開機自啟動
1、在/etc目錄下新建redis目錄
mkdir redis
[root@iZwz991stxdwj560bfmadtZ etc]# mkdir redis
2、將/usr/local/redis-4.0.6/redis.conf 文件復制一份到/etc/redis目錄下，并命名為6379.conf
[root@iZwz991stxdwj560bfmadtZ redis]# cp /usr/local/redis-4.0.6/redis.conf /etc/redis/6379.conf
3、將redis的啟動腳本復制一份放到/etc/init.d目錄下
[root@iZwz991stxdwj560bfmadtZ init.d]# cp /usr/local/redis-4.0.6/utils/redis_init_script /etc/init.d/redisd
4、設置redis開機自啟動
先切換到/etc/init.d目錄下
然后執行自啟命令
[root@iZwz991stxdwj560bfmadtZ init.d]# chkconfig redisd on service redisd does not support chkconfig
看結果是redisd不支持chkconfig
解決方法：
使用vim編輯redisd文件，在第一行加入如下兩行注釋，保存退出
# chkconfig: 2345 90 10 # description: Redis is a persistent key-value database
注釋的意思是，redis服務必須在運行級2，3，4，5下被啟動或關閉，啟動的優先級是90，關閉的優先級是10。
再次執行開機自啟命令，成功
[root@iZwz991stxdwj560bfmadtZ init.d]# chkconfig redisd on
現在可以直接已服務的形式啟動和關閉redis了
啟動：
service redisd start
[root@izwz991stxdwj560bfmadtz ~]# service redisd start Starting Redis server... 2288:C 13 Dec 13:51:38.087 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 2288:C 13 Dec 13:51:38.087 # Redis version=4.0.6, bits=64, commit=00000000, modified=0, pid=2288, just started 2288:C 13 Dec 13:51:38.087 # Configuration loaded
關閉：
service redisd stop
3、配置外網訪問
更改redis.conf 文件
將 #bind 127.0.0.1 改為 bind 127.0.0.1
將protected-mode yes 改為 protected-mode no
重啟redis服務即可
三、參考資料（轉載自）
1：安裝redis參考 http://www.rzrgm.cn/zuidongfeng/p/8032505.html
2：設置外網訪問參考 http://www.rzrgm.cn/taiyonghai/p/5826134.html
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