redis基础管理
#NoSQL -> Not Only SQL
#REmote Dictionary Server
#tui: text user interface 文本用户界面
#gui: graphical user interface图形用户界面
#cli: command line interface命令行接口一、redis基础管理
1、安装
[root@vh01 lnmp_soft]# tar xzf redis-3.0.6.tar.gz
[root@vh01 lnmp_soft]# cd redis-3.0.6/
[root@vh01 redis-3.0.6]# make && make install
2、初始化
[root@vh01 redis-3.0.6]# ./utils/install_server.sh
提示的问题全部回车，但是要观察各种文件存放的路径
3、服务管理
[root@vh01 ~]# service redis_6379 status 查看状态
[root@vh01 ~]# service redis_6379 stop
[root@vh01 ~]# service redis_6379 start
4、服务器基础测试
[root@vh01 ~]# redis-cli
127.0.0.1:6379> ping
PONG
127.0.0.1:6379> set username songtao
OK
127.0.0.1:6379> get username
"songtao"
127.0.0.1:6379> set counter 10
OK
127.0.0.1:6379> INCR counter
(integer) 11
127.0.0.1:6379> GET counter
"11"
5、操作字符串
127.0.0.1:6379> set first 'hello world'
OK
127.0.0.1:6379> get first
"hello world"
127.0.0.1:6379> SETRANGE first 6 'tedu.cn'
(integer) 13
127.0.0.1:6379> get first
"hello tedu.cn"
127.0.0.1:6379> APPEND username "sudan" 向变量中追加
127.0.0.1:6379> SETBIT mytest 0 1
(integer) 0
127.0.0.1:6379> SETBIT mytest 1 0
(integer) 0
127.0.0.1:6379> get mytest
127.0.0.1:6379> SETBIT peter 100 1 设置2进制的第100位为1
(integer) 0
127.0.0.1:6379> SETBIT peter 105 1 设置2进制的第105位为1
(integer) 0
127.0.0.1:6379> BITCOUNT peter 统计peter设置为1的位数有多少
(integer) 2
127.0.0.1:6379> set num1 100 相当于是num1=100
OK
127.0.0.1:6379> get num1
"100"
127.0.0.1:6379> INCR num1 相当于是num1++
(integer) 101
127.0.0.1:6379> DECR num1 相当于是num1--
(integer) 100
127.0.0.1:6379> DECRBY num1 10 # num1=num1-10
127.0.0.1:6379> INCRBY num1 10 # num1=num1+10
127.0.0.1:6379> set hi "hello world"
127.0.0.1:6379> STRLEN hi
127.0.0.1:6379> GETRANGE hi 6 -1
127.0.0.1:6379> GETRANGE hi 6 10
127.0.0.1:6379> set num2 10.5
OK
127.0.0.1:6379> INCRBYFLOAT num2 0.3
"10.8"
127.0.0.1:6379> INCRBYFLOAT num2 -0.8
"10"
127.0.0.1:6379> MGET num1 num2
127.0.0.1:6379> MSET a 10 b "abc"
OK
127.0.0.1:6379> get a
"10,"
127.0.0.1:6379> get b
"abc"
哈希表类型数据
127.0.0.1:6379> hset site google "www.google.com"
(integer) 1
127.0.0.1:6379> hset site baidu "www.baidu.com"
(integer) 1
127.0.0.1:6379> HGET site google
"www.google.com"
127.0.0.1:6379> hget site baidu
"www.baidu.com"
127.0.0.1:6379> hmset site2 tedu "www.tedu.cn" tarena "www.tarena.com"
127.0.0.1:6379> hmget site2 tedu tarena
127.0.0.1:6379> HKEYS site 查看key中存在的value
127.0.0.1:6379> HKEYS site2
127.0.0.1:6379> HGETALL site 返回field和value
127.0.0.1:6379> HVALS site 返回site中所有的value
127.0.0.1:6379> HDEL site google 从site中删除google
列表
127.0.0.1:6379> LPUSH mylist chenshun chenglijun yegutian
127.0.0.1:6379> LRANGE mylist 0 -1
127.0.0.1:6379> LPUSH mylist mayang
127.0.0.1:6379> LRANGE mylist 0 -1
127.0.0.1:6379> help @<tab> #<tab>表示按tab键
127.0.0.1:6379> help @list
127.0.0.1:6379> RPUSH mylist wanghongli
127.0.0.1:6379> LRANGE mylist 0 -1
127.0.0.1:6379> LSET mylist 2 chenyuan
127.0.0.1:6379> LLEN mylist
127.0.0.1:6379> LPOP mylist
127.0.0.1:6379> RPOP mylist
127.0.0.1:6379> LINDEX mylist 1
127.0.0.1:6379> get username
127.0.0.1:6379> ttl username # 查看生存周期
127.0.0.1:6379> PERSIST username # 设置永不过期
127.0.0.1:6379> EXPIRE username 30 # 生存时间为30秒
127.0.0.1:6379> del mylist # 删除mylist
127.0.0.1:6379> keys # 查看所有的key
127.0.0.1:6379> set hello 10
OK
127.0.0.1:6379> set hllo 20
OK
127.0.0.1:6379> set habllo 30
OK
127.0.0.1:6379> set hfllo 40
OK
127.0.0.1:6379> KEYS h?llo # ?匹配任意一个字符
127.0.0.1:6379> KEYS hllo # *匹配0到多个任意思字符
127.0.0.1:6379> KEYS h[a-z]llo # []匹配1个字符
127.0.0.1:6379> set h1llo 5
127.0.0.1:6379> KEYS h[a-z0-9]llo
127.0.0.1:6379> KEYS h[ade0-9]llo
127.0.0.1:6379> KEYS
127.0.0.1:6379> FLUSHALL 清空所有数据
127.0.0.1:6379> KEYS
127.0.0.1:6379> set username zhangsan
127.0.0.1:6379> get username
"zhangsan"
127.0.0.1:6379> select 1
127.0.0.1:6379[1]> get username
(nil)
127.0.0.1:6379[1]> select 0
127.0.0.1:6379> get username
"zhangsan"
127.0.0.1:6379> select 0
127.0.0.1:6379> MOVE username 1
(integer) 1
127.0.0.1:6379> get username
(nil)
127.0.0.1:6379> select 1
OK
127.0.0.1:6379[1]> get username
"zhangsan"
127.0.0.1:6379[1]>
127.0.0.1:6379[1]> keys
1) "username"
127.0.0.1:6379[1]> RENAME username name # 改名
OK
127.0.0.1:6379[1]> keys
1) "name"
127.0.0.1:6379[1]> get name
"zhangsan"
127.0.0.1:6379[1]> lpush mylist 10 2 38 69 42
127.0.0.1:6379[1]> SORT mylist # 不会改变mylist
127.0.0.1:6379[1]> LRANGE mylist 0 -1
127.0.0.1:6379[1]> sort mylist desc # 降序
127.0.0.1:6379[1]> lpush names zhangsan lisi bob alice
127.0.0.1:6379[1]> sort names alpha #按字母顺序排序
按字母顺序排序，从下标为1的单词开始，取出2项
127.0.0.1:6379[1]> SORT names alpha limit 1 2
127.0.0.1:6379[1]> SORT names alpha limit 1 2 desc
将mylist排序后，另存为mylist2
127.0.0.1:6379[1]> sort mylist store mylist2
127.0.0.1:6379[1]> LRANGE mylist2 0 -1
配置redis主从
1、主服务器使用现有的redis
2、从服务器
[root@vh02 lnmp_soft]# yum install -y gcc gcc-c++
[root@vh02 lnmp_soft]# tar xzf redis-3.0.6.tar.gz
[root@vh02 lnmp_soft]# cd redis-3.0.6/
[root@vh02 redis-3.0.6]# make && make install
[root@vh02 redis-3.0.6]# ./utils/install_server.sh
3、主服务器设置同步密码
[root@vh01 ~]# vim /etc/redis/6379.conf
requirepass redis123
[root@vh01 ~]# service redis_6379 restart 或
[root@vh01 ~]# /etc/init.d/redis_6379 restart
4、设置关闭服务的认证密码
[root@vh01 ~]# vim /etc/init.d/redis_6379
$CLIEXEC -a redis123 -p $REDISPORT shutdown
[root@vh01 ~]# service redis_6379 restart
5、配置从属服务器
[root@vh02 ~]# vim /etc/redis/6379.conf
slaveof 192.168.4.1 6379
masterauth redis123
[root@vh02 ~]# service redis_6379 restart
6、验证
[root@vh02 ~]# redis-cli
[root@vh01 ~]# redis-cli -h 192.168.4.1 -a redis123
192.168.4.1:6379> set aaa 100
[root@vh02 ~]# redis-cli
127.0.0.1:6379> keys *
127.0.0.1:6379> get aaa