[3169] 02 Oct 10:17:30.689 # Server started, Redis version 2.8.9
[3169] 02 Oct 10:17:30.690 # 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.
[3169] 02 Oct 10:17:30.690 * The server is now ready to accept connections on port 6379
[root@redis01 redis-2.8.9]# redis-cli #通过客户端连接本地redis
127.0.0.1:6379> set id 001 #写入一条数据key（id），value（001）
OK
127.0.0.1:6379> get id #取值key（id）
"001" #显示key对应的值
127.0.0.1:6379> del id #删除key（id）
(integer) 1 #1表示成功
127.0.0.1:6379> exists id #验证key是否存在
(integer) 0 #0表示不存在
127.0.0.1:6379> get id #取key的值
(nil) #报错信息
127.0.0.1:6379> set user001 benet
OK
127.0.0.1:6379> set user002 yunjisuan
OK
127.0.0.1:6379> set user003 yun123
OK
127.0.0.1:6379> get user001
"benet"
127.0.0.1:6379> get user002
"yunjisuan"
127.0.0.1:6379> keys * #查看redis里所有的key
1) "user003"
2) "user002"
3) "user001"
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更多操作方式及命令帮助
（1）redis数据库的表模式
127.0.0.1:6379> keys * #查看所有key
1) "user003"
2) "user002"
3) "user001"
127.0.0.1:6379> select 1 #切换到表1模式
OK
127.0.0.1:6379[1]> keys * #查询所有key
(empty list or set) #什么都没有
127.0.0.1:6379[1]> set name wangwu #写入一个key-value对
OK
127.0.0.1:6379[1]> keys * #查看所有key
1) "name" #key（name）已经有了
127.0.0.1:6379[1]> get name #查看key（name）的值
"wangwu"
127.0.0.1:6379[1]> select 0 #切换回表0模式（初始模式）
OK
127.0.0.1:6379> keys * #查看所有key
1) "user003"
2) "user002"
3) "user001"
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（2）redis-cli客户端的远程连接及非交互式操作数据库
[root@redis01 redis-2.8.9]# redis-cli -h 10.0.0.135 -p 6379
10.0.0.135:6379> quit
[root@redis01 redis-2.8.9]# redis-cli -h 10.0.0.135 -p 6379 set aaa 111
OK
[root@redis01 redis-2.8.9]# redis-cli -h 10.0.0.135 -p 6379 get aaa
"111"
wget https://pypi.python.org/packages/source/r/redis/redis-2.10.1.tar.gz
tar xf redis-2.10.1.tar.gz
cd redis-2.10.1
python setup.py install
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开发python程序操作redis
在操作前请将之前redis配置文件里修改的redis命令注释掉，否则报错
[root@redis01 redis-2.10.1]# python
Python 2.6.6 (r266:84292, Nov 22 2013, 12:16:22)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import redis #引用redis支持库
>>> r = redis.Redis(host='10.0.0.135',port='6379',password='yunjisuan') #建立redis数据库的连接对象（面向对象方式）
>>> r.set('name','benet') #操作对象调用set方法写入数据
True
>>> r.get('name') #操作对象调用get方式读取数据
'benet'
>>> r.dbsize() #操作对象查看redis数据库的数据条数
1L
>>> r.keys() #查看所有的key
['name']
>>> exit() #退出
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2.11 通过Web界面连接Python程序展示redis 开发Python脚本
[root@redis01 scripts]# cat python-redis.py
#/usr/bin/python
from wsgiref.simple_server import make_server
import redis
def get_redis():
r = redis.Redis(host='10.0.0.135',port='6379',password='yunjisuan',db=0)
r.set('name','yunyunyun')
return r.get('name')
def hello_world_app(environ,start_response):
status = '200 OK' #HTTP Status
headers = [('Content-type','text/plain')] #HTTP Headers
start_response(status,headers)
# The returned object is going to be printed
return get_redis()
httpd = make_server('',8000,hello_world_app)
print "Serving on port 8000..."
# Server until process is killed
httpd.serve_forever()
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启动python脚本
注意关闭iptables
[root@redis01 scripts]# python python-redis.py
Serving on port 8000... #监听8000端口
