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小編給大家分享一下在centos系統下安裝redis數據庫的方法,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
具體安裝步驟如下:
一、安裝redis
第一步:下載redis安裝包
[root@iZwz991stxdwj560bfmadtZ 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 [root@iZwz991stxdwj560bfmadtZ local]# tar -zxvf redis-4.0.6.tar.gz
第三步:yum安裝gcc依賴
yum install gcc [root@iZwz991stxdwj560bfmadtZ local]# yum install gcc
遇到選擇,輸入y即可
第四步:跳轉到redis解壓目錄下
cd redis-4.0.6 [root@iZwz991stxdwj560bfmadtZ local]# cd redis-4.0.6
第五步:編譯安裝
make MALLOC=libc [root@iZwz991stxdwj560bfmadtZ redis-4.0.6]# 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@iZwz991stxdwj560bfmadtZ 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
[root@iZwz991stxdwj560bfmadtZ redis-4.0.6]# cd src
1、直接啟動redis
./redis-server
[root@iZwz991stxdwj560bfmadtZ 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
如上圖:redis啟動成功,但是這種啟動方式需要一直打開窗口,不能進行其他操作,不太方便。
按 ctrl + c可以關閉窗口。
2、以后臺進程方式啟動redis
第一步:修改redis.conf文件
將
daemonize no
修改為
daemonize yes
第二步:指定redis.conf文件啟動
./redis-server /usr/local/redis-4.0.6/redis.conf [root@iZwz991stxdwj560bfmadtZ src]# ./redis-server /usr/local/redis-4.0.6/redis.conf 18713:C 13 Dec 13:07:41.109 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo18713:C 13 Dec 13:07:41.109 # Redis version=4.0.6, bits=64, commit=00000000, modified=0, pid=18713, just started18713: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@iZwz991stxdwj560bfmadtZ src]# ps -aux | grep redis root 18714 0.0 0.1 141752 2008 ? Ssl 13:07 0:00 ./redis-server 127.0.0.1:6379root 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 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 startStarting Redis server...2288:C 13 Dec 13:51:38.087 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo2288:C 13 Dec 13:51:38.087 # Redis version=4.0.6, bits=64, commit=00000000, modified=0, pid=2288, just started2288:C 13 Dec 13:51:38.087 # Configuration loaded
關閉:
方法1:service redisd stop
[root@izwz991stxdwj560bfmadtz ~]# service redisd stop Stopping ... Redis stopped
方法2:redis-cli SHUTDOWN
三、參考資料
1、http://blog.csdn.net/zc474235918/article/details/50974483
2、http://blog.csdn.net/gxw19874/article/details/51992125
如果出現如下問題:
[root@iZwz991stxdwj560bfmadtZ ~]# service redisd start/var/run/redis_6379.pid exists, process is already running or crashed
以上是“在centos系統下安裝redis數據庫的方法”這篇文章的所有內容,感謝各位的閱讀!相信大家都有了一定的了解,希望分享的內容對大家有所幫助,如果還想學習更多知識,歡迎關注億速云行業資訊頻道!
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